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?
