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?
These and many other points of English grammar are explained in the book and there are exercises on each point. Level The book is intended mainly for intermediate students (students who have already studied the basic grammar of English). It concentrates on those structures which intermediate students want to use but which often cause difficulty. Some advanced students who have problems with grammar will also find the book useful。
针对中等水平的使用者经常遇到的问题而编写,对高水平的亦有所帮助。