This course is a Chinese grammar course, which contains the key grammar that Chinese learners should master. Each lesson in this tutorial will start with a review of the previous lesson, then explain the knowledge points in this lesson, and finally practice the knowledge points, such as reading sentences, looking at pictures and speaking. There is no pinyin in some sentences of this course. Learners are required to have a basic knowledge of Chinese characters. Some high level students, when practicing speaking or learning intermediate grammar, often say simple sentences wrong, the basic grammar knowledge is not solid, this tutorial can also be read at this time, this book can help high level students review again, strengthen the memory, and can skillfully use, improve the level of expression.