Ebook Essential grammar in use with answers (4th edition): Part 1

This is a grammar book for elementary students of English. There are 115 units in the book and each unit is about a different point of English grammar. Ebook Essential grammar in use with answers (4th edition): Part 1 includes contents: Present; Past; Present perfect; Passive; Verb forms; Future; Modals; There and it; Auxiliary verbs; Questions; Reported speech; -ing and to; go, get, do, make and have; pronouns and possessives; a and the;... Please refer to the documentation for more details.