The key to english: Verbs. /

Bibliographic Details
Corporate Author:	Collier-Macmillan International.
Format:	Unknown
Published:	Estados Unidos : Collier-Macmillan Limited; 1964.
Edition:	1a. ed.
Subjects:	GRAMÁTICA DEL IDIOMA INGLÉS.

Table of Contents:

Forms of english verbs - BE and DO - Modals - Conditional sentences - The verb HAVE.

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