Have you studied English for many years? Have you spoken English for many years? Do you still make errors? If you answered “yes” this book is for you! It has been written in an easy-to-follow style for students at the intermediate and advanced levels. You may be learning grammar at this level for the first time, reviewing for more understanding or preparing for a test. This handbook provides instruction for you to be successful. The 20 chapters teach grammar with clear explanations and real dialogues to guide you with self-learning. Each chapter provides a "Key to Understanding" for you to conquer difficult grammar points. You do not need to start on Chapter 1. Refer to the Contents and choose the lesson you wish to study. The Appendix provides additional instruction for grammar and for developing writing and speaking skills. It includes the list of Major Grammatical Errors in essays and help with vocabulary. Study the lessons in this book and succeed in English grammar!