Columbia subject headings:
Harvard subject headings:
Contrastive linguistics.
English language--Clauses
English language--Complement
English language--Discourse analysis
English language--Grammar, Comparative--German
English language--Grammar, Comparative--Spanish
German language--Grammar, Comparative--English.
Interlanguage (Language learning)
Spanish language--Grammar, Comparative--English.
Princeton subject headings:
Contrastive linguistics.
English language--Clauses.
English language--Complement.
English language--Discourse analysis.
English language--Grammar, Comparative--German.
English language--Grammar, Comparative--Spanish.
German language--Grammar, Comparative--English.
Interlanguage (Language learning)
Spanish language--Grammar, Comparative--English.