COPULAR CLAUSES IN ENGLISH*
Masatake Arimoto
Nanzan University

1. Introduction
English has copular verb be as exemplified in sentences like (1) and (2).
(1) a. John is honest.
b. John is a philosopher.
(2) a. John is the Mayor of Cambridge.
b. A picture of the wall was the cause of the riot. (Moro, 1997)
Sentences in (1) and (2) appear to express that the pre-verbal elements are related topost-verbal elements in the same way. However, sentences in (1) and those in (2) behave
differently. For example, if post-verbal elements are placed before be and pre-verbal elements
are placed after be, the resultant sentences are unacceptable for (1) as in (3), but acceptablefor (2) as in (4).
(3) a. *Honest is John.
b. *A philosopher is John.
(4) a. The Mayor of Cambridge is John.
b. The cause of the riot was a picture of the wall.
Sentences like (2) and sentences like (4) again appear to express the same meanings, but there
are some syntactic differences between them. Both of them appear in an ECM construction asin (5), but only sentences in (2) are possible in a Small Clause construction as in (6):sentences in (4) are impossible in a Small Clause construction as in (6b).
(5) a. John considers a picture of the wall to be the cause of the riot.
b. John considers the cause of the riot to be a picture of the wall.
(6) a. John considers a picture of the wall the cause of the riot.
b. *John considers the cause of the riot a picture of the wall.

*

This paper is based on a talk presented at Cambridge-Hyderabad-Nanzan Joint Seminar on
Functional Syntay and Lexical Categories (held at Nanzan University, March 8, 2006). I would like tothank Ian G. Roberts and Mamoru Saito for comments on the material in this paper. Iwould also like tothank John Shillaw and David Mayor for Judgments for some of the sentences in this paper.

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Nanzan Linguistics 3: Research Results and Activities 2005

Sentences like (1) are called predicational clauses, and sentences like (4) are called
specificational clauses. There have been two positions as to the differences between sentencesin (1) and those in (4). One position claims that the specificational clause is an inverted
predicational clause, and that the predicational clause and specificational clause involve one
and the same be. Heggie (1988), Moro (1997), and Mikkelsen (2005), among others, take thisposition. They claim that the cause of the riot in (4b), for example, is an underlying predicate,and has been inverted from the post-copular position by a rule called Predicate Raising. The
other position claims that the specificational clause is not derived by inversion. Rothstein(2001), for example, claims that there is no inversion involved in (4): the apparent subjects, i.
e., the Mayor of Cambridge in (4a) and the cause of the riot in (4b), are in fact the subjects.
She proposes that the specificational clause is a subtype of equative clauses. Heycock andKroch (1997) and Heycock and Kroch (1999) also argue against inversion. The former
specifically claims that the IP Spec in copular sentences is the landing site of the subject of
the small clause complement of I, just as it is the landing site of the subject of the VP
complement of I. They propose that both predicative copular clauses and equative copularclauses exist.
This paper argues that inversion is involved in sentences like (4). That is, this paperargues that the Mayor of Cambridge in (4a) and the cause of the riot in (4b) are inverted fromthe post-copular position, but they are not an underlying predicate. Rather, this paper argues
that both predicational clauses and equative clauses exist, and only equative clauses allow
inversion. In other words, this paper takes in a part of Moro’s and Mikkelsen’s positions, anda part of Rothstein’s and Heycock and Kroch’s positions, denying parts of both the former
position and the latter position. The argument is based on consideration of the Locative
Inversion construction and its Case checking properties, and also consideration of the cleft
construction of the Locative Inversion construction and the specificational clauses.
Consideration of syntactic properties of pseudo-cleft constructions further supports theconclusion.
The organization of this paper is as follows. Section 1 discusses the difference between
predicational clauses and specificational clauses. It discusses the referential status of thesubject of the specificational clauses and argues that it is not a predicate and nonreferential
but it is weakly referential. It is also argued that if we distinguish a predicate and a weakly
referential argument, it is possible to formulate the generalization about the impossibility ofpredicate inversion. Section 3 discusses Locative Inversion sentences and argues that a DP
that is covertly Case checked cannot be clefted. Then the structure and the derivation of
copular clauses are analyzed in terms of cleftability. Section 4 discusses the theoretical statusof DP’s in copular clauses.

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Copular Clauses in English (M. Arimoto)

2. Predicational Clauses vs. Specificational Clauses
2. 1. Higgins (1979)
Higgins (1979), together with Akmajian (1979), paved the way for the study of copularclauses in English. Akmajian notes that sentence (7a) identifies, or specifies some entity, andin sentence (7b) given qualities (short and fat) are predicated of some individual (the firstcandidate for the trip to Mars): sentence (7a) tells us who the candidate is, but from sentence(7b) we only know what he is, but we do not know who he is.
(7) a. The first candidate for the trip to Mars was Spiro Agnew.
b. The first candidate for the trip to Mars was short and fat.
Akmajian distinguishes two senses of the copula: the specificational sense ((7a)) and thepredicational sense ((7b)). The difference between (7a) and (7b) appears elsewhere, too.
Akmajian notes that specificational sentence (7a) can be reversed as in (8a), but predicational
sentence (7b) may not as in (8b).
(8) a. Spiro Agnew was the first candidate for the trip to Mars.
b. *Short and fat was the first candidate for the trip to Mars.
With this idea of specificational sentences and predicational sentences, Higgins
discusses pseudo-cleft sentences. Higgins notes that sentence (9) is ambiguous. In one reading,this sentence states something similar to John is silly. In other words, a property (being silly)
is directly predicated of John. Higgins expresses this as (10). Higgins says that this is the
specificational reading of (9). In the other reading, the subject of this sentence refers to some
job or position that John holds, and the sentence states that the job or position is silly. This canbe expressed as (11). Higgins says that this is the predicational reading of (9).
(9)

What John is is silly.

(10) John is this / the following: silly.
(11) John is an X. X-hood / (Being) an X is silly.
Higgins then discusses the important notion of syntactic connectedness. Consider (12a)and (12b). (12a) is not ambiguous; it has only the specificational reading, something like
(13).1 On the other hand, (12b), which is also unambiguous, has only the predicational
reading: it states that some property that John has is important to him.
(12) a. ?What Johni is is important to himselfi.
b. What Johni is is important to himi.
1

Higgins puts a question mark against (12a) and (13) because it is slightly odd that one is important
to oneself.

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Nanzan Linguistics 3: Research Results and Activities 2005(13) ?Johni is important to himselfi.
Higgins states that the sentence with a specificational reading exhibits syntactic
connectedness, while the sentence with a predicational reading does not. As further examples,consider (14a, b).
(14) a. What Johni is is too fond of himselfi.
b. *What Johni is is too fond of himi.
Since fond does not allow a non-human subject, the sentence cannot be a predicational
sentence. As the sentence is specificational, himself, but not him, is selected. Occurrence andnon-occurrence of syntactic connectedness show the importance of the distinction between
the specificational sense and the predicational sense of be. We will discuss syntactic
connectedness and how to deal with it in Section 2. 8.
Higgins continues to discuss pseudo-cleft sentences. Consider (15). Higgins argues that(15) is ambiguous: it has the specificational and the predicational reading.
(15) What I am pointing at is a cat.
Higgins argues that in the specificational reading, the subject (what I am pointing at) is notreferential: the subject limits a domain, and a post-copular noun (a cat) identifies a particularmember of that domain. (We will discuss the referential status of the subject of thespecificational sentence (what I am pointing at) in Section 3. 4.) Higgins expresses this as(16).
(16) {x: what I am pointing at x} = {a cat}On the other hand, in the predicational reading, the subject (what I am pointing at) is
referential. A particular object is picked up by the referential noun phrase---an object at theend of my pointing. The sentence expresses that something (“cathood” in this case) ispredicated of the object: it expresses something like (17). We will discuss the referentiality ofthe subject of the pseudo-cleft sentences in Section 2. 5.
(17) What I am pointing at is feline.
Higgins also discusses an Identity sentence like (18a) and an Identificational sentence
like (18b) in addition to the Specificational and Predicational sentences. Identificational
sentences have deictic uses of this or that. We will restrict the discussion in this paper toSpecificational and Predicational sentences.
(18) a. The evening star is the morning star. (Identiy)b. That is Joe Smith. (Identificational)- 34 -

Copular Clauses in English (M. Arimoto)

2. 2. Heggie (1988)
Let us consider other works on the treatment of specificational clauses andpredicational clauses. Heggie (1988) derives (19a) and (19b) from the same underlying
structure (20).2(19) a. John is the teacher.
b. The teacher is John.
(20) [IPI [VP be [SC John [the teacher]]]]John in (20) moves to IP Spec (with be also moving to I), and (19a) is derived as (21a). For(19b), Heggie claims that after John has moved to IP Spec (with be also moving to I), theteacher moves to CP Spec and be is raised to C by Subject-Aux Inversion. The structure for(19b) that Heggie proposes is (21b).
(21) a. [IP Johni I+bej [VP tj [SC ti [the teacher]]]]b. [CP the teacherk [C’ I+bej [IP Johni tj [VP tj [SC ti [tk ]]]]]]
This proposal specifically claims that the teacher in (19b) is not in the IP Spec position but in
the CP Spec position, and that John in (19b) is in the IP Spec position, as shown in (21b).
However, as Rothstein (2001) and Mikkelsen (2005) convincingly argue, the teacher in (19b)cannot be in the CP Spec position, and John in (19b) cannot be in the IP Spec position.
Consider a sentence like (19b) but with a modal auxiliary. In (22a) be precedes John.
However, since Subject-Aux Inversion has inverted might, be cannot be inverted before John:(22b) should be grammatical. The fact that (22a) is grammatical but (22b) is not shows thatthe teacher cannot be in the CP Spec position and John cannot be in the IP Spec position.
(22) a. The teacher might be John.
b. *The teacher might John be.
The claim that the teacher in (19b) is in the CP Spec position is crucial in Heggie’s
explanation of the cleft sentences of copular clauses. Consider sentences (23). John Smith in(23a) can appear in the focus position of the cleft sentence as in (24a), but John Smith in (23b)cannot as in (24b). Heggie claims that sentence (24b) is ungrammatical because it violates the
Doubly-Filled Comp Filter.
(23) a. John Smith is my doctor.
b. My doctor is John Smith.
(24) a. It’s John Smith that is my doctor. (Heggie 1988, 81)
b. *It’s John Smith that my doctor is. (ibid.)2

We use SC to represent a Small Clause complement of be without going to the categorical nature of
Small Clauses.

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Heggie claims that cleft sentences are derived by wh movement of a Null Operator into CP
Spec. The underlying structure of (25a) is (25b), and after wh-movement, (25c) is derived.3
The Null Operator is identified as an apple pie, which is in the focus position. Sentence (24a)has an underlying structure like (26a). OP moves to IP Spec, deriving (26b). After
wh-movement, (26c) is derived; it will be ruled in. Sentence (24b) also has an underlying
structure like (26a). Like (24a), OP moves to IP Spec, deriving (26b). My doctor then moves
to CP Spec so that the sentence becomes an inverted sentence, and is also is raised to C,
deriving (26d). Now OP raises to CP Spec in order to be identified with John Smith in thefocus position, deriving (26e).
(25) a. It was an apple pie that Mary ate.
[C’ that [IP Mary [VP ate OP]]]]]
b. [it was an apple pie [CPc. [it was an apple pie [CP OPi [C’ that [IP Mary [VP ate ti]]]]](26) a. [it is John Smith [CP[C’ that [IP[VP is [SC OP my doctor]]]]]][C’ that [IP OPi [VP is [SC ti my doctor]]]]]]
b. [it is John Smith [CPc. [it is John Smith [CP OPi [C’ that [IP ti [VP is [SC ti my doctor]]]]]]
d. [it is John Smith [CP my doctori [C’ that isk [IP OP [VP tk ti]]]]]
e. [it is John Smith [CP OPi my doctori [C’ that isk [IP ti [VP tk ti]]]]]
Heggie claims that (26e) violates the Doubly-Filled Comp Filter. However, if my doctor in(26e) is not in CP Spec and if it does not lead to the Doubly-Filled Comp Filter, theungrammaticality of (24b) is not accounted for.
2. 3. Moro (1997)
2. 3. 1. wh-extraction
Moro (1997) argues that sentences (27a) and (27b) share the same underlying structure(27c). If a picture on the wall, which is the Small Clause subject, raises to IP Spec (with bealso raising to I), (27a) is derived as shown in (27d). Moro argues that the cause of the riot in(27c), which is a predicate of the Small Clause, can be raised to IP Spec as in (27e), which
Moro claims is the derived structure of (27b). Moro calls the operation “Predicate Raising,”
but to avoid the possible confusion with raising of be into I, we use below the term
“inversion.”(27) a. A picture of the wall was the cause of the riot.
b. The cause of the riot was a picture of the wall.
[I’ I [VP be [SC [DP a picture on the wall] [DP the cause ofc. [IP
the riot]]]]]
d. [IP [DP a picture on the wall]i [I’ bej+I [VP tj [SC ti [DP the cause of the riot]]]]]
3

Be-raising to I is not shown in (26).

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Copular Clauses in English (M. Arimoto)e. [IP [DP the cause of the riot]i [I’ bej+I [VP tj [SC [DP a picture on the wall] ti ]]]]]
Moro proposes to abandon the rigid clause structure in which IP Spec is always occupied by
the subject of a Small Clause or VP and proposes instead that a predicative DP can move to IP
Spec in complementary with the subject.
The strongest support for this claim concerns the wh-extraction phenomena. Let us firstconsider a non-copular construction as (28). A wh-phrase cannot be extracted from the subject
DP, but it can be from the complement DP, as in (28b, c).
(28) a. [DP a picture of the wall] revealed [DP the cause of the riot].
b. *Which wall did [a picture of t] reveal [the cause of the riot]?
(from the subject DP)
c. Which riot did [a picture of the wall] reveal [the cause of t]?
(from the complement DP)
Now consider (27a), repeated below as (29a). A wh-phrase cannot be extracted from the firstDP, but it can be from the second DP, as in (29b, c). This is expected if the first DP isconsidered to be the subject, and the second DP is considered to be the complement.
(29) a. [A picture of the wall] was [the cause of the riot]. (=(27a))b. *Which wall was [a picture of t] [the cause of the riot]?
(from the first DP)
c. Which riot was [a picture of the wall] [the cause of t]?
(from the second DP)
Now consider (30a) (=(27b)). Wh-extraction is impossible both from the first DP and thesecond DP. The fact that (30c) is ungrammatical is unexpected if a picture of which wall in(30c) is considered to be in the same position as the cause of which riot in (29c).
(30) a. [The cause of the riot] was [a picture of the wall]. (=(27b))b. *Which riot was [the cause of t] [a picture of the wall]?
(from the first DP)
c. *Which wall was [the cause of the riot] [a picture of t]?
(from the second DP)
Moro argues that if in (30c) a picture of which wall is considered to be the subject of the
Small Clause, and the cause of the riot is the predicate of the Small Clause and inverted to the
IP Spec position, the facts about (30b, c) can be accounted for. Moro claims that with thisassumption, the cause of which riot in (30c) and a picture of which wall in (29c) are in thesame type of position, i.e., in a left-branch position, as seen in (31b, d).
(31) a. [C’ C [IP [DP the cause of [which riot]] … ]]b. [CP [IP [DP the cause of which riot] I [VP be [SC [DP a picture of the wall] t]]]]- 37 -

Nanzan Linguistics 3: Research Results and Activities 2005

c. [V’ V [SC [DP a picture of [which wall]] … ]]d. [CP [IP [DP the cause of the riot] I [VP be [SC [DP a picture of which wall] t]]]]Moro argues that not only (29b) and (30b) but also (30c) are ungrammatical because they all
violate the Subjacency condition. Moro thus can account for the contrast between (29c) and(30c) by assuming that in (30a) a picture of the wall is the underlying subject of the Small
Clause, and the cause of the riot is the underlying predicate and has been inverted from thepredicate position to the IP Spec position.
2. 3. 2. ECM vs. Small Clause
Moro notes that a form like (32a) (=(2b)) can appear in both an ECM construction and a
Small Clause construction as in (33a, b), but a form like (32b) (=4b)) is possible in an ECM
construction as in (33c), but not in a Small Clause construction as in (33d).
(32) a. A picture of the wall was the cause the riot. (=(2b))
b. The cause of the riot was a picture of the wall. (=(4b))(33) a. John considers a picture of the wall to be the cause of the riot. (=(5a))
b. John considers the cause of the riot to be a picture of the wall. (=(5b))
c. John considers a picture of the wall the cause of the riot. (=(6a))
d. *John considers the cause of the riot a picture of the wall. (=(6b))
Moro tries to explain this fact by relating it to the difference of the theta-role
assignment property of picture and riot. Moro claims that both picture and riot assign anexternal theta-role and an internal theta-role as shown in (34). Moro claims, however, that
picture assign its external theta-role within its maximal projection but cannot assign it outside
its maximal projection as (35a, b). On the other hand, riot, Moro claims, can not assign its
theta-role inside its maximal domain, but it can outside its maximal projection as in (35c, d).
(34) a. picture: <θ-external, θ-internal >b. cause: <θ-external, θ-internal >(35) a. [DP hisθ-ext. picture of the wallθ-int. ]b. *heθ-ext. is [ a picture of the wallθ-int. ]c. *[ hisθ-ext. cause of the riotθ-int. ]d. heθ-ext. is [the cause of the riotθ-int. ]Moro claims that (assuming that theta-role assignment is to the left of the assigner) thecontrast between (33c) and (33d) is accounted for since in the former cause can assign its roleoutside its maximal projection, but in the latter picture cannot.
Whether the contrast between (33c) and (33d) can be reducible to the difference of
θ-role assignment is questionable, however. Consider (36a, b). Williams (1997) notes that- 38 -

Copular Clauses in English (M. Arimoto)(36a) and (36b) are not synonymous: (36a) and (36b) imply that we know well who the first
DP (John in (36a) and Bill in (36b)) is, but the identity of the second DP (Bill in (36a) andJohn in (36b)) is not known. Thus if the same meaning is to be kept, the two DPs cannot beinterchanged. Sentence (37) is ungrammatical if it is to have the same meaning as (36a).
(36) a. I consider John Bill.
b. I consider Bill John.
(37)*I consider Bill John. (in the sense of (36a))

The contrast in grammaticality between (36a) and (37) cannot be explained by the differenceof the theta-role assignment of Bill and John, unless a specific proposal is made that relates
the theta-role assignment property of a DP to the strength of referentiality of a DP (i. e.,whether the identity is known or not known).
2. 3. 3. Predicate Raising
The two DPs in (38a) or (39a) cannot be inverted as in (38b) or (39b), but the two DPsin (40a) can be as in (40b).
(38) a. John is a fool.
b. *A fool is John.
(39) a. John is a doctor.
b. *A doctor is John.
(40) a. John is the Mayor of Cambridge. (=(2a))
b. The Mayor of Cambridge is John. (=(4a))
Moro (1997: 266 fn. 32) tries to account for this fact by claiming that the indefinite article canbe licensed only when it is governed by a lexical head at some stage in the derivation. Moroclaims that sentence (41) is grammatical since in (41) the indefinite article is governed by alexical verb come, but (38b) and (39b) are ungrammatical because the indefinite article is notgoverned by a lexical verb: Moro claims that be is not a lexical verb.
(41) A fool came.
However, sentences like (42a, b) are acceptable although the indefinite article is not governedby a lexical verb.
(42) a. A box was empty. (Yasui 2004, 3)
b. A boy was sick. (ibid.)Thus Moro’s explanation as to why (38b) and (39b) are ungrammatical in terms ofgovernment by a lexical verb cannot be sustained.

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2. 3. 4. Mikkelsen (2005)
Mikkelsen (2005) also claims that the subject of specificational clauses is an inverted
underlying predicate. Mikkelsen tries to exclude (43) with recourse to information structure.
(43) a. *A doctor is John.
b. *Proud of his daughter is John. (Heycock and Kroch 1999, 379)
Mikkelsen claims that in the DP-inverted construction, the initial DP must be Discourse-old.
Mikkelsen also claims that an indefinite article must observe the Novelty Condition (Heim1982). Considering the two conditions, Mikkelsen concludes that a DP with an indefinite
article is impossible as the initial element of DP-inversion construction since it must be
Discourse-old, and at the same time it must be novel. He says that sentences like (44) is notungrammatical but infelicitous, and assigns a hash # mark, rather than an asterisk *.4(44) #A doctor is John.
However, Mikkelsen notes that the second sentence of (45) is as infelicitous as (44).5
In (45) being a doctor is Discourse-old because of the first sentence. Mikkelsen says that thefact that the second sentence of (45) is infelicitous presents a problem for his explanation of(44), and offers other examples. Noting that (46a, b) are felicitous, Mikkelsen says that there
are still other factors that play a role in determining the felicity of indefinite specificational
subjects. But he leaves questions for further research. Thus unless the felicity of indefinite
specificational subjects is accounted for, Mikkelsen’s explanation of (44) must be consideredinadequate.
(45) Bill is a doctor.

#A doctor is John.

(46) a. Bill is a doctor. Another doctor is john.
b. Bill is a doctor. John is a doctor (too).
2. 4. Williams (1983; 1997)
William (1983) discusses predicational pseudo-cleft sentences and specificational
pseudo-cleft sentences. Williams agrees with Higgins in that the subject of the predicational
pseudo-cleft sentences is a free relative clause, which Williams claims is referential. The
4

Mikkelsen claims that the initial element of predicative clauses is not subject to the Discourse-old
condition since inversion is not involved in predicative clauses. Thus Mikkelsen can account for thegrammaticality of (iii) (=(42a)), which Moro’s account cannot explain.
(i) A student is here to see you.

(ii) A philosopher was present, and he hijacked the discussion.
(iii)A box was empty.
5

Mikkelsen attributes the discussion about (45) to Donka Farkas.

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Copular Clauses in English (M. Arimoto)underlying structure of predicational pseudo-cleft sentences like (47a) is (48).
(47) a. What John is is important to him. (predicational) (=(12b))b. What John is is important to himself. (specificational) (=(12a))(48) [what S] is XP(predicational)

However, Williams disagrees with Higgins as to the derivation of the specificational
pseudo-cleft sentences. Higgins argues that there is no inversion involved in specificational
pseudo-cleft sentences. Williams, on the other hand, proposes that the underlying structure of
specificational pseudo-cleft sentences is (49a), where XP is the subject, and a free relative
clause is the predicate. If there is no inversion, (49b) is derived. (50a) (=(47b/12a)) is derived
by inverting XP and [what S] around be; Williams claims that [what S] is an underlying
predicative DP, and XP is an underlying subject.
(49) a. XP is [what S] (specificational)b. [Important to himself] is [what John is].
(50) a. What John is is important to himself.
b. [what S] PRED DP is XPSUBJECT
Williams claims that since there is inversion involved in specificational pseudo-cleft
sentences like (50a), it is expected that XP of a specificational pseudo-cleft sentence acts likea subject, and the free relative clause acts like a post-copular predicate. He claims that the
expectation is borne out: XP of a specificational pseudo-cleft sentences raises as (51a), but thefree relative clause of a specificational pseudo-cleft sentences does not, as (51b). We will
discuss sentences like (51) below in Section 2. 7.
(51) a. *What John is seems to be important to himself.
b. Important to himself seems to be what John is.
Another piece of evidence Williams presents that shows that inversion is involved in (50a) isthe behavior of XP’s and the free relative clauses of specificational pseudo-cleft sentences in a
Small Clause construction. Williams notes that for predicational pseudo-cleft sentences, theorder of two DP’s in the finite clauses are preserved in Small Clause constructions.6(52) What John is is important to him. (=(47a))(53) a. I consider [what John is] [important to him].
b. *I consider [important to him] [what John is]. (without Heavy NP Shift)
For identificational pseudo-cleft sentences, Williams notes that in Small Clause constructions,
6

Williams notes that (53b) is grammatical if it is considered to be derived from (53a) by Heavy NP
Shift, which is irrelevant to the present discussion.

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the surface order of non-inverted pseudo-cleft sentences is preserved as in (54).
(54) a. [Important to himself] is [what John is].
b. [What John is] is [important to himself].
c. I consider [important to himself] [what John is].
d. *I consider [what John is] [important to himself].
William (1997) discusses not only predicational and specificational pseudo-cleft
sentences but also predicational and specificational copular clauses. He notes that in
specificational copular clauses such as (55) the first DP is less known or less directly
knowable. In (55) we know who John is, but wonder who the mayor is, and the specificationalclause tells who the mayor is: John.
(55) The mayor is John.
Williams notes that the Small Clause construction with consider corresponding to (55) is
ungrammatical as in (56a), although (56b), which corresponds to (56c), is grammatical.
(56) a. *I consider the Mayor John.
b. I consider John the Mayor.
c. John is the Mayor.
The same thing can be said about a pair of sentences in (57) (=(36)), which are notsynonymous as Williams notes: the first DP in each sentence is known but the identity of thesecond DP is not known.
(57) a. I consider John Bill.
b. I consider Bill John.
Williams’s claim about the specificational clauses and their occurrences in a Small Clause
construction is interpreted as follows. If a clause contains two DP’s, in the underlying
structure the first DP is a known DP and the second DP is a less known DP. In a Small Clause
construction that order is always preserved.
The difference between a finite clause and an ECM construction on the one hand and a
Small Clause construction on the other is that the former has an additional Spec for an item toraise to, but the latter does not have an additional Spec. If one claims that either of the two
DP’s of the equative clauses can raise to the additional Spec in finite clauses and ECM
constructions, either order is possible as in (58). A Small Clause has to preserve the order of
the two DP’s in the underlying structure: if the second DP in the underlying structure appears
before the first DP in the underlying structure, the sentence is ungrammatical as in (59b) since
there is no additional Spec for it to raise.
(58) a. I consider [IP[I’ to [VP be [SC [John] [the Mayor]]]]]
b. I consider John to be the Mayor.

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Copular Clauses in English (M. Arimoto)c. I consider the Mayor to be John.
[I’ I [VP be [SC [John] [the Mayor]]]]]
d. [IPe. John is the Mayor.
f. The Mayor is John(59) a. I consider [SC [John] [the Mayor]]
b. *I consider the Mayor John. (=(56a))
Thus Williams can account for the contrast between (56a) and (56b) if the underlying order of
the two DP is shown to be always such that a known DP comes first and a less known DP
comes later. We will discuss in Section 4 as to the order of the two DP’s in the underlying
structure.
Summarizing the discussion in this section, we can conclude that Moro’s and
Mikkelsen’s predicate inversion analysis cannot account for why DP with an indefinite article
in predicative clauses cannot invert. On the other hand, Williams can account for the facts
about specificational clauses in finite clauses / ECM constructions and Small Clause
constructions by the inversion analysis.
2. 5. A Weakly Referential DP
Let us consider the referential status of the second DP’s in the underlying structure of
the specificational clauses, underlined DPs in (60), which Williams says are less known thanthe other DP’s. Moro, Mikkelsen, and Williams claim that they are predicates; that is to say,they claim that the second DP’s in the underlying structure of the specificational clauses are
nonreferential.
(60) a. John is the Mayor of Cambridge.
b. The Mayor of Cambridge is John.
c. Important to himself is what John is.
d. What John is is important to himself.
Higgins (1979) also claims that the underlined DP in (61a) is not referential. Rather
Higgins claims that they are “superscriptional” since the reading corresponds to the headingof a list (cf. (61b)).7(61) a. What I don’t like about John is his tie.
b. {x: what I don’t like x about John} = {his tie}
Declerck (1983) clarifies the referential status of the subject of specificational clauses
as (62a), which corresponds to the second DP in (62b), by contrasting it with the subject ofpredicative clauses ((62c)).
7

Higgins claim that his tie in (61a) is not referential but “specificational.”- 43 -

Nanzan Linguistics 3: Research Results and Activities 2005(62) a. The bank robber is John Thomas.
b. John Thomas is the bank robber.
c. John Thomas is a teacher.
Declerck argues that one of the differences between the subject of specificational clauses(which Declerck calls S-identifying sentences) and that of predicational sentences is that theformer answers the question of the form “Who / Which (one) is DP?” and the latter answers
the question of the form “What is DP?”(63) a. Q: Who/Which (one) is the bank robber?
A: John Smith is the bank robber.
A: The bank robber is John Smith.
b. Q: What is your friend? – A: He is a teacher.
Declerck claims that the bank robber in (62a, b) has a specific referent, but identifying thereferent by itself is impossible. Declerck argues that in that sense the bank robber in (62a, b)
is not nonreferential but “weakly referential.” The identification of the referent of the weakly
referential DP is made possible by being linked up with the referential DP (John Smith in thiscase) in the clause.
We agree with Declerck in that the bank robber in (62a, b) is weakly referential, rather
than nonreferential as claimed by Moro, Mikkelsen, and Williams. The difference inreferentiality between the subject of a specificational clause and that of a predicational clauseis also seen in (64), where the murderer can be the antecedent of he. (Sentence (64) issuggested by Heycock (1994), who says that the murderer in (64) is “relatively referential.”)If the murderer in (64) were nonreferential, it would not be able to be the antecedent of apronoun.
(64) Now I realize that the murderer was John. He was wearing size 12 shoes and only Johnhas feet that size.
This contrasts with the post-copular DP of predicational clauses: as Declerck notes therelative pronoun which has as its antecedent the predicative nominal in predicative clauses iswhich, rather than who as in (65).
(65) He is a friend of mine, which you are not.
If we claim that a teacher in (66a), which is nonreferential, is a predicate, but the
Mayor of Cambridge in (66c), which is weakly referential, is not a predicate, the following
descriptive generalization can be obtained. (We will argue below that the Mayor ofCambridge in (66c) is an argument.) Note that since Moro, Mikkelsen, and Williams claimthat a teacher in (66a) and the Mayor of Cambridge in (66c) are both predicates, thisdescriptive generalization is not possible in their framework.

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Copular Clauses in English (M. Arimoto)(66) a. John is a teacher.
b. *A teacher is John.
c. John is the Mayor of Cambridge.
d. The Mayor of Cambridge is John.
(67) A predicate cannot be in IP Spec.
We adopted Declerck’s claim that the Mayor of Cambridge in (66c) is weakly
referential, but there is one difference between Declerck’s position and the position argued inthis paper. Declerck claims that the Mayor of Cambridge in (66d) is an underlying subject,
and that the (underlying) subject of a specificational sentence (S-identifying sentence) isalways weakly referential. We argue that from the facts about the occurrence of thespecificational clauses in Small Clause constructions mentioned in Section 2. 4., in (66d) the
Mayor of Cambridge is not an underlying subject, but John is. We present further evidence
that John in (64d) is an underlying subject in Section 3. 2. 2.
2. 6. Equative Be and Predicative Be
Heycock and Kroch (1997; 1999) argue against the predicate inversion analysis of
Moro, Heggie, and Williams. Heycock and Kroch (1997) claim that movement of a predicate
to IP Spec is not possible and in particular claim that IP Spec in copular clauses is restricted tobeing the landing site of the subject of a Small Clause, just as it is when I takes a VP
complement with an overt subject. Moro and Williams claim that there is only one be, and thedifference between the predicational clause and the specificational clause is due to whether
the subject or the predicate raises to IP Spec. Heycock and Kroch, on the other hand, argue
that there are equative be and predicative be; (68a) is an equative sentence with equative beand (68b) is a predicative sentence with predicative be.
(68) a. Honest is what I want a man to be. (an equative sentence)b. John is what I want a man to be (i.e. he’s honest). (a predicative sentence)
The first argument against the predicate inversion analysis by Heycock and Kroch isbased on a pair of sentences like (69).
(69) a. What she did was run the marathon.
b. Run the marathon was what she did.
Williams claims that what she did in (69a) is an underlying predicate and has been inverted
from the predicate position and that what she did in (69b) is in the canonical predicate
position without any movement. Heycock and Kroch claim that if it is so, what she did in(69b) should undergo the same syntactic operations as other predicates, but it does not. In(70a, b) run the marathon and honest are preposed. However, what she did cannot be as in(70c).

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Nanzan Linguistics 3: Research Results and Activities 2005(70) a. She said she would run the marathon; and run the marathon, she did.
b. She said that she was honest, and honest she was.
c. *She said that run the marathon was what she would do; and what she did, run themarathon was.
However, this argument does not apply to the inversion analysis that claims that what
she did in (69b) is not a predicate, a claim proposed in this paper. If honest in (70b) and what
she did in (70c) were both predicates, honest and what she did would behave similarly.
However, this paper claims that honest in (70b) is a predicate but what she did in (70c), being
weakly referential, is an argument. Thus that they should behave differently is expected in theposition proposed in this paper, too.
Their second argument concerns a Small Clause construction. Heycock and Kroch notethat although (71b) and (71d) are grammatical, (72b) and (72d) are not, and claim that on an
inversion analysis all of them should be perfect.
(71) a. This book is what you should read next.
b. I consider this book what you should read next.
c. That it was raining was what he should have said.
d. ?I considered that it was raining what he should have said.
(72) a. Honest is what John is.
b. *I consider honest what John is.
c. Read poetry was what he does best.
d. *I consider read poetry what he does best.
However, note that an AP and a VP are degraded also in an ECM construction as (73). They
should be grammatical in Heycock and Kroch’s approach, too. Since the Case marking in a
Small Clause construction and an ECM construction is “exceptional,” it should be reasonable
to suppose that an AP and a VP are not Case marked in these constructions, but only a DP anda CP can be Case marked. Thus their second argument is not sustained.
(73) a. ?*I consider honest to be what John is.
b. ?*I consider read poetry to be what he does best.
Their third argument concerns a pair of sentences in (74) (=(68)). Heycock and Krochargue that (75a) is grammatical since (74a) is an equative sentence, but (75b) is not since(74b) is a predicative sentence. They claim that under predicate inversion analysis, there is no
explanation for the clear difference in grammaticality between (75a) and (75b).
(74) a. Honest is what I want a man to be.
b. John is what I want a man to be (i.e. he’s honest).

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Copular Clauses in English (M. Arimoto)(75) a. What I want a man to be is honest.
b. *What I want a man to be is John.
This argument is against the position that claims that both (74a) and (74b) have the same be, i.
e., the position that claims that both of them are predicative. This paper, however, claims that(74a) is a specificational pseudo-cleft sentence, with honest as the subject and what I want a
man to be as a weakly referential pseudo-cleft clause. It can be inverted producing (75a). On
the other hand, (74b) is a predicative clause, with John as the subject and what I want a man
to be as a predicate. It states that what I want a man to be is predicated of John. Being a
predicative sentence, it cannot be inverted. Hence (75b) is ungrammatical. (This explanationis the same as Heycock and Kroch’s explanation, except that they do not allow inversion.)
Their fifth argument is that if sentences (76a, b) have the same underlying structure(76c), and if (76a) is derived by regular Raising and (76b) is derived by inversion, thennothing can prevent (77a) from being derived. This is because (77a, b, c) have the sameunderlying structure (77d), and if either Kim or the best candidate can be extracted from the
Small Clause in (76c), then either Kim or the best candidate should be able to be extracted
from the Small Clause in (77d).
(76) a. Kim is the best candidate.
b. The best candidate is Kim.
I [VP Kim [V’ be [the best candidate]]]]c. [IP(77) a. *The best candidate is considered Kim.
b. Kim is considered the best candidate.
c. I consider Kim the best candidate.
d. I consider [Kim [the best candidate]]
This is solved by adopting the notion of Equidistance suggested by Chomsky (1995). Be,
being a raising verb, raises to I, as (78) shows. Chomsky argues that in (79a), if Y adjoins to X,
forming the chain (Y, t) with the minimal domain {Spec1 , Spec2 , ZP}, then Spec1 and Spec2
are equidistant from ZP (or anything it contains). In (79b) after be-raising, the best candidate
can raise IP Spec crossing Kim.
(78) John isi not ti happy.

(cf. John does not seem happy.)(79) a. [XP Spec1 [X’ X [YP Spec2 [Y’ Y ZP]]]]b. [IP
bei+I [VP Kim [V’ ti [the best candidate]]]]Now consider (77a, b). They have an underlying structure like (80a). I assume that in a Small
Clause construction of the specificational sense of be, there is a null verb which has the samefunction as the specificational be.8 Even if the passive be raises to I as in (80b), the best8

In (80) the Small Clause part is represented as VP2, but since the head is a null verb, it could be
represented as SC: the choice is not important.

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Nanzan Linguistics 3: Research Results and Activities 2005

candidate cannot raise to IP Spec over Kim, since the minimal domain here is {IP Spec, VP1
Spec, and VP2}. Thus (77a) is not derived even if (76b) is derived by inversion. Thus
Heycock and Kroch’s argument against inversion cannot be sustained.9(80) a. [IP
b. [IPI [VP1 is considered [VP2 Kim [V2’ e [the best candidate]]]]]
bei+I [VP1 ti considered [VP2 Kim [V2’ e [the best candidate]]]]]

2. 7. Predicational Clauses vs. Specificational Pseudo-cleft Sentences
We noted that a predicative clause does not invert: sentences (81) are ungrammatical.
Heycock and Kroch (1999) discuss sentences like (82). The pre-copular elements in (82) are
the same as the ones in (81). The pre-copular elements in (82) occupy the IP Spec position
since they raise as (83a) and they allow the subject-Aux inversion as (83b). Noting thecontrast in grammaticality between (81) and (82), Heycock and Kroch claim that thegeneralization is not that a particular category (AP, for example) is prohibited from appearing
in the IP Spec position. They claim rather that whenever an apparently inverse sentence lacks
an equative interpretation, the sentence is ungrammatical.
(81) a. *A doctor is John.
b. *Proud of his daughters is John.
c. *Intelligent is John.
(82) a. Proud of his daughter is what he is.
b. Intelligent is what he thinks he is.
(83) a. Proud of his daughters seems to be what he is.
b. Is intelligent what he thinks he is?
9

Heycock and Kroch (1997) argue that there is no inversion into IP Spec, but they argue that
inversion into CP Spec is possible: in (i), (ii), and (iii) DP’s have been inverted into CP Spec, rather
than into IP Spec.
(i) The paintings by O’Keefe were wonderful. ??(Even more) impressive were the murals byRivers.
(ii) Voting for the amendment were the senators from Maine.

(iii) Delinquency is a menace to our society. Also a menace are/*is factory closings and fascist
propaganda.
In these sentences the verb agrees with the post-copular DP.
clause the verb agrees with the pre-copular DP.

On the other hand, in a specificational(iv) The biggest problem is/*are factory closings.
In sentences (i) – (iii) the fronted predicate does not invert with the auxiliary in a yes-no question as in(v), which also shows that inversion is into CP Spec.
(v) *Are also a menace to society factory closings?
This paper agrees with Heycock and Kroch in that in (i) – (iii) DP’s are inverted into CP Spec, but it
disagrees with them and claims that inversion into IP Spec is also possible.

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Copular Clauses in English (M. Arimoto)If Heycock and Kroch’s claim were sustained, the generalization mentioned above, repeatedbelow as (84), would not be sustained. Notice, however, that sentences in (82) are
specificational pseudo-cleft sentences. This paper argues that if we consider the LF form ofspecificational pseudo-cleft sentences, the generalization (84) is sustained.
(84) A predicate cannot be in IP Spec. (=(67))
2. 8. LF movement of Specificational Pseudo-cleft Sentences (Bošković 1997)
Bošković (1997) discusses the LF form of the specificational pseudo-cleft sentences.
As noted in section 2. 1., specificational pseudo-cleft sentences exhibit the connectivity effectbetween the wh-clause and the post-be constituent, but predicative pseudo-cleft sentences do
not as (85). In order to account for the difference in connectivity between the two, Bošković
claims that while predicative pseudo-cleft sentences have a free relative clause as subject andno movement is involved, for specificational pseudo-cleft sentences XP’s undergo LF
movement. The discussion has the following form. He first notes that it is often assumed that
anaphors undergo LF movement: the LF of (86a) is often considered to be (86b).
(85) a. What John is is important to himself.
b. What John is is important to him.
(86) a. John likes himself.
b. John himselfi+ INFL likes ti
Bošković claims that what in a specificational pseudo-cleft is a surface anaphor in thesentence of Hankamer and Sag (1976), and that a surface anaphor has to have a linguistic
antecedent and it must be replaced by its antecedent at some level of representation. The
post-be element replaces the chain headed by what in LF, and “deletes” what.
As evidence Bošković offers the contrast between wonder and ask. Though both
wonder and ask allow an indirect question as in (87a, b), wonder does not allow a DP
complement as (87c), whereas ask does as (87d). The difference between wonder and ask
appears also in such pseudo-cleft sentences as (88). However, in (88) the time does not
immediately follow wonder or ask. If the time replaces the chained headed by what in LF, thefacts about (88) can be explained.
(87) a. I wondered what the time was.
b. I asked what the time was.
c. *I wondered the time.
d. I asked the time.
(88) a. ?*What John wondered was the time.
b. What John asked was the time.

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Nanzan Linguistics 3: Research Results and Activities 2005

Bošković also claims that the LF movement analysis of specificational pseudo-cleft
sentences explain the difference in grammaticality between (89a) and (89b). A wh-clause inpredicational pseudo-cleft sentences raises, but that of specificational pseudo-cleft sentences
does not. Bošković adopts the copy theory of A-movement: the derived structure of (90) is(91). Bošković assumes that LF movement moves XP’s into the head of the chain created by
the overt movement of the wh-element. Bošković further assumes that given a chain, allmembers of the chain that are not involved in the interpretation must be deleted at LF underidentity with the remaining member of the chain. Now, as the result of the movement of XP
into the head of the chain, the two members of the chain are not identical. Thus deletion is
impossible, and LF contains an element which is not involved in the interpretation, and thesentence is ungrammatical.
(89) a. What John is seems to be silly.
b. *What John is seems to be proud.
(90) *What John is turned out to be important to himself.
(91) [what John is] turned out [what John is] to be important to himself
Thus Bošković can account for the contrast between (89a) and (89b) by LF movement ofXP’s.10If we adopt Bošković’s analysis of LF movement of specificational pseudo-cleft
sentences, the LF form of (92) does not have proud of his daughter or intelligent in the IP
Spec position. Thus if the generalization (93) is considered to be effective in LF, it blocks
only sentences (94), and we can retain the generalization as it is.
(92) a. Proud of his daughter is what he is. (=(82a))b. Intelligent is what he thinks he is. (=(82b))(93) A predicate cannot be in IP Spec.
(94) a. *A doctor is John (=(81a))b. *Proud of his daughters is John. (=(81b)10

Heycock and Kroch (1997) discuss the contrast between (i) and (ii) noted by Williams.

(i) Proud of himself seems to be what John is.
(ii)*What John is seems to be proud of himself.
However, they claim that they do not expect (ii) to be ungrammatical since (iii) is acceptable.
(iii) Especially dishonest seems to have been the Rockefeller family.
Note, however, that in (ii) the free relative clause raises (hence the sentence is ungrammatical), and in(iii) an AP raises. Bošković can account for the contrast in grammaticality between (ii) and (iii): in(ii) LF movement of XP renders LF deletion of the superfluous member impossible, but in (iii) no LF
movement is involved. Heycock and Kroch cannot explain the contrast between (i) and (iii) on the
one hand and (ii) on the other.

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Copular Clauses in English (M. Arimoto)A predicate is a theta-assigner: it assigns a theta-role to an argument. An A-position is
occupied by an argument. Thus it can be said that a theta-assigner cannot be in an A-position,a position where an argument, which is assigned a theta-role, appears. The descriptive
generalization (93) follows from this condition.
Summarizing the discussion so far, we can conclude that Heycock and Kroch’s
argument is directed against the inversion analysis which inverts an underlying predicate.
Heycock and Kroch argue that equative sentences and predicative sentences exist, which we
agree with. Heycock and Kroch argue against inversion. However, I will argue below thatthe post-be element in equative sentences can be inverted, but the post-be element predicative
sentences cannot be inverted (cf. (93)).
2. 9. An Argument vs. a Predicate
Rothstein (2001) argues that the pre-copular DP in (95) is not an inverted predicate as
Moro and Williams claim. She notes that while a predicative expression can be modified by
non-restrictive relative clauses headed by which as (96a), the pre-copular DP in
specificational clauses can be modified by non-restrictive relative clauses headed by who as(96b).
(95 ) The leader is Mary.
(96) a. They think John mean, which is a horrible thing to be.
b. The (alleged) murderer, who was acquitted yesterday, is John.
Cf. *The murderer, which is a horrible thing to be, is John.
Rothstein argues that the fact that the pre-copular DP in specificational clauses can be theantecedent of a pronoun as (97) (=(62)) also shows that it is not an inverted predicate.
(97) Now I realize that the murderer was John. He was wearing size 12 shoes and only
John has feet that size.
She argues that the pre-copular DP of (95) behaves as an argument, and that it is the
subject of the sentence. This paper agrees with Rothstein in that the pre-copular DP in
specificational clauses is an argument. Rothstein claims that a predicational clause like (98a)
has a structure like (98b), and a sentence like (99a) has a structure like (99b).11 If we adopt
the VP-internal subject hypothesis, (99b) will be shown as (99c). Both the pre-copular DP and
the post-copular DP are arguments; both can be modified by non-restrictive relative clauses
headed by who, as (100). This paper, however, differs from Rothstein and claims that11

A sentence like (99a) is ambiguous. (99c) shows the structure of an equative reading of (99a),but (99a) has also a predicative reading, which can be shown as (i).
(i) [IP Mary [VP is [SC t [the leader]]]]- 51 -

Nanzan Linguistics 3: Research Results and Activities 2005

inversion is involved in specificational clauses like (101a) (=(95)) or (101b). The next section
clarifies the point.
(98) a. Mary is a clever woman.
b. [IP Mary [VP is [SC t [a clever woman]]]](99) a. Mary is the leader.
b. [IP Mary [VP is [DP the leader]]]c. [IPI [VP Mary [V’ is [DP the leader]]]](100) Mary, who you know from the tennis club, is Professor Smith, who teaches maths at
the university.
(101) a. The leader is Mary.
b. The Mayor of Cambridge is John.
3. Analysis
3. 1. Locative Inversion Sentences
Consider Locative Inversion sentences like (102b, d). Bresnan (1993) shows thatlocative phrases of Locative Inversion sentences raise as (103). This fact indicates thatlocative phrases of Locative Inversion sentences occupy the IP Spec position.12(102) a. A lamp was in the corner.
b. In the corner was a lamp.
c. The tax collector came back to the village.
d. Back to the village came the tax collector.
(103) a. [Over my windowsill] seems [IP t [to have crawled an entire army of ants]].
(Bresnan 1994)
b. [In these villages] are likely [IP t [to be located a cathedral]]. (ibid.)
3. 1. 1. Branigan (2000)
Lasnik and Saito (1991) argue that the subject of an ECM complement binds ananaphor contained in the matrix clause but the subject of a tensed complement does not as in(104). Branigan (2000) notes that Locative Inversion constructions are acceptable inembedded ECM complement clauses, and that with such embedded clauses, the inverted
subject of Locative Inversion constructions binds an anaphor contained in the main clause asin (105), but if Locative Inversion constructions are tensed embedded clause, the inverted
12

It could be argued that the locative phrases in (102b, d) occupy a Spec position higher than the IP
Spec position. The point here, however, is that the locative phrases move to the IP Spec position
satisfying EPP; the ultimate position of the locative phrases is not important.

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Copular Clauses in English (M. Arimoto)subject does not bind an anaphor contained in the main clause as in (106).
(104) a. Perry proved [Jill and Tony to have lied] during each other’s trials.
(Lasnik and Saito 1991)
b. *Perry proved that [Jill and Tony lied] during each other’s trials.
(105) a. The photos [VP showed [IP behind this very hedge to have been hiding Jill andTonyi] during each otheri’s trials].
b. Pam [VP proved [IP in this bed to have slept Washington and Lincolni] in eachotheri’s biographies].
(106) a. ??The photos [VP showed that [IP behind this very hedge had been hiding Jill andTonyi] during each otheri’s trials].
b. ??Pam [VP proved that [IP in this bed had slept Washington and Lincolni] in eachotheri’s biographies].
Branigan argues that preposed locative phrases in Locative Inversion constructions occupy IP
Spec to satisfy EPP, and the inverted subject has Case features that must be checked for thederivation to converge. These features are not checked in the post-verbal position in (105).
He argues that a covert movement analysis provides a straightforward explanation of thesefacts. Since Case features cannot be checked in the embedded clause, they must be checked in
the matrix clause. Covert movement of the inverted subject allows checking to take place.
As a result of the covert movement, either the locative phrase itself ((107a)) or its features((107b)) end up in a position where they c-command each other.13(107) a. the photos [Jill and Tonyi [VP showed [IP behind this very hedge to have been hidingti] during each otheri’s trials]]b. the photos [VP FF(Jill and Tony)i -showed [IP behind this very hedge to have been
hiding Jill and Tonyi] during each otheri’s trials]
Summarizing the Case checking properties of the Locative Inversion construction, we
can conclude that the locative phrase occupies the IP Spec position, and that the underlying
subject is covertly Case-checked. Note that the first point is a direct argument against
13

It has been argued that covert movement in the case of existential construction does not affectbinding relations.

(i) *Perry proved [there to have been framed two suspectsi] during each otheri’s trials.
(ii) Perry proved [two suspects to have been framed ti] during each otheri’s trials.
Chomsky (1995) claims that if we adopt the LF movement analysis of anaphors and if we assume thatthe features of associates adjoins to I, rather than to its specifier there, the LF form of the head of thematrix of (iii) would be (iv) or (v), depending on how covert operations are ordered. He claims thatneither of them is a legitimate binding-theoretic configuration, with An taking FF(linguists) as its
antecedent. Note that in (107) no expletive-associate relation is held.
(iii) *There seem to each other [t to have been many linguists given good job offers](iv) [I An [FF(linguists) α]]- 53 -

Nanzan Linguistics 3: Research Results and Activities 2005

Heycock and Kroch, who argue that IP Spec can only be occupied by the underlying subject
of VP or SC.
3. 1. 2. The Cleft Construction of Locative Inversion Sentences
Let us consider the cleft construction of Locative Inversion sentences. In the case of a
non-Locative-Inversion sentence, both of the subject and the locative phrase are cleftable as(108b, c). However, in the case of a Locative Construction sentence, neither of them arecleftable as (109b, c). (In this paper we will chiefly discuss the ungrammaticality of (109c),
touching the ungrammaticality of (109b) very briefly in section 3. 2. 2.)(108)

a. John slept in this bed. (a non-Locative-Inversion sentence)b. It’s John that t slept in this bed.
c. It’s in this bed that John slept t.

(109) a. In this bed slept John. (a Locative Inversion sentence)b. ??It’s in this bed that t slept John.
c. * It’s John that in this bed slept t.
Note that John in (109a) must be covertly Case-checked as the previous section made clear.
In the following section we will consider the cleft construction of other sentences.
3. 2. 1. The Cleft Construction of Other Sentences
Heggie (1988) shows that an associate of existential sentences is not cleftable as (110b).
Delahanty (1982) also shows that if a that-clause is not extraposed, it is cleftable as (111b)and (112b), but a that-clause in the extraposed construction is not cleftable as (111d) and(112d).
(110) a. There is a man in the garden.
b. *It’s a man that there is t in the garden. (Heggie 1988, 240)(111) a. That Fred took Mary to the movies bothers me.
b. It is that Fred took Mary to the movies that t bothers me. (Delahanty 1982, 12)
c. It bothers me that Fred took Mary to the movies.
d. *It is that Fred took Mary to the movies that it bothers me t.
(ibid.)(112) a. That Bill will ever be this late again is unlikely.
b. It is that Bill will be this late again that t is unlikely. (ibid.)c. It is unlikely that Bill will be this late again.
d. *It is that Bill will be this late again that it is unlikely t. (ibid.)
Chomsky (1995: 200) argues that in (113) α is not a proper position for Case checking, and(v)[I FF(linguists) [An α]]- 54 -

Copular Clauses in English (M. Arimoto)thus it must raise at LF, adjoining to the LF affix there. Chomsky (1986: 133) also argues thatin (114) there is a CHAIN (it, S).
(113) There is [α a strange man] in the garden.
(114) It is believed that John is intelligent.
In (109a), (110a), (111c), and (112c) the underlined elements undergo covert movement.
Thus the following descriptive generalization can be obtained.
(115) An item that (or whose case feature) undergoes LF movement is not cleftable.
If we follow Heggie (1988) concerning the cleft construction, sentences (116b), (117b),and (118b) have underlying structures (116c), (117c), and (118c), respectively. In (116c) inthis bed moves to IP Spec, deriving the Locative Inversion construction ((116c’)).14 After
wh-movement of OP, the derived structures will be (116d), (117d), and (118d). In each of theunderlying structure (c), an empty OP for cleft sentences corresponds to the underlined DP in(a) sentences. That is, if an empty OP occupies the position where an item (or its casefeatures) undergoes LF movement, then the derived cleft sentence is ungrammatical. We leave
for future research as to how the descriptive generalization (115) is related to the movementof an empty OP in the cleft construction.
(116) a. In this bed slept John. (=(109a))b. *It’s John that in this bed slept t. (=(109c)c. It’s John [CP[C’ that [IPI [VP OP [V’ slept [in this bed]]]]]]
c’. It’s John [CP[C’ that [IP [in this bed]i sleptj+I [VP OP [V’ tj ti]]]]]
d. *It’s John [CP OPk [C’ that [IP [in this bed]i sleptj+I [VP tk [V’ tj ti]]]]](117) a. There is a man in the garden. (=(110a))b. *It’s a man that there is t in the garden. (=(110b))c. It’s a man [CP[C’ that [IP there is OP in the garden]]]d. * It’s a man [CP OPi [C’ that [IP there is ti in the garden]]](118) a. It is unlikely [that Bill will be this late again]. (=(112c))b. *It is that [Bill will be this late again] that it is unlikely t. (=(112d)c. It’s [that Bill will be this late again] [CP[C’ that [IP it is unlikely OP]]]d. *It’s [that Bill will be this late again] [CP OPi [C’ that [IP it is unlikely ti]]]
3. 2. 2. The Cleft Construction of Specificational Clauses
Now consider the cleft construction of specificational clauses contrasting it with that ofequative clauses. Both of the DP’s in equative clauses can be clefted as (119). However,neither of the DP’s in specificational clauses can be clefted as (120). The situation is parallel
14

Probably sleep moves to I in the Locative Inversion construction.
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Nanzan Linguistics 3: Research Results and Activities 2005

with the Locative Inversion construction discussed above repeated below as (121). In (121a)in this bed occupies IP Spec and John is covertly Case-checked. If the Mayor of Cambridge in(120a) is considered to occupy IP Spec and if John in (121a) is considered to be covertly
Case-checked, the facts about (120) can be accounted for like (121).
(119) a. John is the Mayor of Cambridge. (an equative clause)b. It’s John that t is the Mayor of Cambridge.
c. It’s the Mayor of Cambridge that John is t.
(120) a. The Mayor of Cambridge is John. (a specificational clause)b. ?*It is the Mayor of Cambridge that t is John.
c. *It’s John that the Mayor of Cambridge is t.
(121) a. In this bed slept John. (a locative inversion sentence)b. ??It’s in this bed that t slept John.
c. *It’s John that in this bed slept t.
Sentence (120c) has the underlying structure (122a), where OP (corresponding to John) is theunderlying subject, and the Mayor of Cambridge is the underlying post-copular element.
The Mayor of Cambridge moves to IP Spec deriving a specificational clause, and we get(122b), assuming that be moves to I. The derived structure of (120c) is (122c).
(122) a. It’s John [CP[that [IP[I’ I [VP OP is the Mayor of Cambridge]]]]]
b. It’s John [CP[that [IP the Mayor of Cambridgei [I’ isj+I [VP OP tj ti]]]]]
c. *It’s John [CP OPk [that [IP the Mayor of Cambridgei [I’ isj+I [VP tk tj ti]]]]]
If we claim that John in (120a) is the underlying subject, which is covertly Case-checked, thefact that (120c) is ungrammatical is accounted for.
Before leaving this topic, let us briefly discuss (120b) and (121b), repeated below as(123a, b). Again the facts are parallel. In (124c) and (125c) John must be covertly
Case-checked. In both (124c) and (125c) IP Spec is occupied by a trace; probably it could besaid that an item can covertly move only to an overt position.
(123) a. ?*It is the Mayor of Cambridge that t is John. (=(120b))b. ??It’s in this bed that t slept John. (=(121b))[that [IP[I’ I [VP John is OP]]]]](124) a.
It’s the Mayor of Cambridge [CPb.
It’s the Mayor of Cambridge [CP[that [IP OPi [I’ isj+I [VP John tj ti]]]]]
c. ?*It’s the Mayor of Cambridge [CP OPi [that [IP ti [I’ isj+I [VP John tj ti]]]]](125) a. It’s in this bed [CP[that [IP[I’ I [VP John slept OP]]]]]
b. It’s in this bed [CP[that [IP OPi [I’ sleptj+I [VP John tj ti]]]]]
c. ?? It’s in this bed [CP OPi [that [IP ti [I’ sleptj+I [VP John tj ti]]]]]- 56 -

Copular Clauses in English (M. Arimoto)

3. 4. Conclusion
Summarizing the discussion so far, this paper claims the following.
(131) (I)
(II)

(III)

Be has a predicative use and an equative use (cf. Heycock and Kroch).
A predicative use of be takes a Small Clause complement, and an equative useof be takes as a complement a DP argument (cf. Rothstein), which is weakly
referential (cf. Declerck).
An equative use of be allows inversion, deriving the specificational clause.15

4. Discussion
4. 1. The function of the Equative Use of Be: Referential Identification
This paper argues that the Mayor of Cambridge in (132) is weakly referential. The
identification of the referent does not happen through the use of the word but through the factthat the word is linked up with a strongly referential DP in the specificational clause. Thus thefunction of the equative use of be is to referentially identify the complement DP: thecomplement DP is referentially identified to the subject of equative be, which is strongly
referential.
(132) John is the Mayor of Cambridge.
4. 2. CaseLet us discuss the Case properties of DP’s in equative clauses and specificationalclauses. By way of contrast, let us first review the Case properties of DP’s in
non-Locative-Inversion constructions and Locative Inversion constructions.
(133) a. John slept in this bed. (=108a)b. In this bed slept John. (=109a)
In (133a) John is Case-checked in the IP Spec position by I, but in this bed, being a PP, in not
15

Heycock (1994) argues against a position that claims that proposes that there are two (uses of) be’s,
one of which allows inversion, a position argued in this paper. Her argument concerns intensive
reflexives, discussed in Heggie. She claims that if the organizer of our group in (iii) is an inverted
argument, the fact that (iii) is ungrammatical cannot be explained.

John himself is the organizer of our group.
(i)(ii) The organizer of our group himself is dissatisfied.
(iii) *The organizer of our group himself is John.
Note, however, that John in (i) and the organizer of our group in (ii) are strongly referential. This
paper claims that the organizer of our group in (iii) is weakly referential: the organizer of our group
has a specific referent, but the identification of the referent is not possible. It can be said that an
intensive reflexive is not attached to a weakly referential DP since the reference of the DP cannot be
identifiable: you cannot intensify a referent if the referent is not identifiable.

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Nanzan Linguistics 3: Research Results and Activities 2005

Case-checked. In (133b) in this bed satisfies EPP in the IP Spec position, and John is covertly
Case-checked.
Consider now equative clauses and specificational clauses:(134) a. John is the Mayor of Cambridge.
b. The Mayor of Cambridge is John.
John in (134a) is Case-checked in the IP Spec position by I. In (134b) the Mayor ofCambridge in (134b) satisfies EPP in the IP Spec position, and John is covertly Case-checked.
The remaining DP is the Mayor of Cambridge in (134a). Safir (1985), who distinguishes
predicational be and identicational be, claims that the latter assigns Case to the complement
DP. Then the Mayor of Cambridge in (134b) would be Case-checked. However, if it wereCase-checked, it should be frozen in the place and should not be able to move to IP Spec inthe specificational clause ((134b)). Thus it follows that the Mayor of Cambridge in (134a) is
not Case-checked. This paper argues that the Mayor of Cambridge in (134a) is an argument.
However, if it is not Case-checked, it should violate the Case filter:(135) Every overt argument must be assigned Case.
One might argue that the Mayor of Cambridge in (134a) is covertly Case-checked, like Johnin (134b). However, if it is so, the generalization about cleftability will be lost: the Mayor ofCambridge in (134a) is cleftable, but John in (134b) is not.
The point here is that the Mayor of Cambridge in (134) is weakly referential. A weakly
referential DP appears only in the underlying complement position of the equative use of be.
In contrast, the Mayor of Cambridge in (136) is strongly referential.
(136) a. John met the Mayor of Cambridge.
b. The Mayor of Cambridge visited London.
The Mayor of Cambridge in (136) is Case-checked by I or V. On the other hand, weakly
referential DP is referentially identified by the equative use of be. It can then be argued thatan argument is licensed in the construction either by being Case-checked (a strongly
referential argument) or by being referentially identified (a weakly referential argument). If
the Case filter applies only to strongly referential arguments as (137), the Mayor ofCambridge in (134a) does not violate the revised Case filter.16
16

The theta-role properties of DP’s in equative clauses and specificational clauses are not fully
understood. If the two DP’s are arguments, it appears that they must receive a theta-role:(i) Each argument is assigned one and only one theta role.
A predicate use of be does not assign a theta-role: the argument is assigned a theta-role by thepredicate. Rothstein (2001) claims that if there is one be with two uses (a predicative use and an
equative use), and if one use does not assign a theta-role, the other use should not assign a theta-roleeither. That is, the two arguments in equative clauses and specificational clauses have no means to- 58 -

Copular Clauses in English (M. Arimoto)(137) Every overt strongly referential argument must be assigned Case.

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receive theta-roles. Therefore, if (i) is revised and if we claim that it applies only to arguments thathave means to receive their theta-roles ((iii)), the arguments of equative clauses and specificationalclauses will not violate the condition.
(ii) Each argument of a theta-assigning verb or predicate is assigned one and only one theta role.

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