Ebook English grammar in use with answers (Fifth edition): Part 2

This book is for students who want help with English grammar. It is written for you to use without a teacher. The book will be useful for you if you are not sure of the answers to questions like these: What is the difference between I did and I have done? When do we use will for the future? What is the structure after I wish? When do we say used to do and when do we say used to doing? When do we use the? What is the difference between like and as? Please refer to Ebook English grammar in use with answers (Fifth edition): Part 2 for more details.