This file can be very useful if you have problems with “Use of English” exercises.

This book contains a compilation of the words and expressions that come up most frequently in the Key Word Transformation task of the Cambridge Reading and Use of English paper. It will help you to familiarise yourself with the usual transformations among set phrases, phrasal verbs, phrasal prepositional...

A complete guide to English Grammar, which covers every part of speech, and is presented with people who are planning to take the iBT TOEFL exam in mind. Over 50 key grammar points which feature: clear, detailed explanations, over 115 exercises, and thousands of questions.