Print version: Westney, Paul. Modals and periphrastics in English : an investigation into the semantic correspondence between certain English modal verbs and their periphrastic equivalents. Tubingen : Max Niemeyer Verlag, 1995 viii, 225 pages ; 24 cm. Linguistische Arbeiten ; 339 ISBN 9783484303393
Includes bibliographical references (pages [220]-225)