Essential Grammar in Use 4th editon – Murphy Raymond. 

Features:

A self-study reference and practice book for elementary learners of English. Clear examples and easy-to-follow exercises make Essential Grammar in Use perfect for independent study. Used by millions of learners around the world, it covers all the grammaryou will need at this level.
Easy-to-use format of two-page units with clear explanations on the left and exercises on the right. A study guide to help you find the units you need to study. Additional exercises for extra practice.