modal verbs
Subtitle: univocal lexical items
By: by Heather McCallum-Bayliss.
Publisher: Reproduced by the Indiana University Linguistics Club
Published: 1988
Place of publication: Bloomington, Ind
Language: eng
Number of pages: 170
Subjects: English language -- Auxiliary verbs.; English language -- Modality.
Notes: Thesis (Ph.D.)--Georgetown University, 1984.

Includes bibliographical references.