English grammar is thought as one of the most important parts in both language learning and teaching. While few people know there is more than one kind of English grammar. This essay provides the features and comparison between two commonly used English grammar, namely descriptive grammar and prescriptive grammar, and assist English teachers to explore further in grammar teaching.
This essay attempts to aim English teachers to evaluate and adapt the current English textbooks. According to different levels and majors of the students,English teachers can enhance the teaching materials and their teaching skills. This paper would provide several useful techniques for teachers to make evaluations and adaptations of using teaching materials.