Few students know that grammar is acquired naturally;it need not be taught.Grammar is often misunderstood in the language teaching.There are some students thinking it a waste of time to memorize the rules.They even claim that if the structures are taught,the lessons will be boring.This paper will help to realize how helpful and useful as well as beneficial learning English grammar well will be,not only for students,but also for teachers. It is not misunderstood in the language teaching.There are some students thinking it a waste of time to memorize the rules.They even claim that if the structures are taught, the lessons will be boring.This paper will help to realize how helpful and useful as well as beneficial learning English grammar well will be, not only for students, but also for teachers.