In view of the unsolved problems arising in the process of learning the Chinese language in Kazakhstan, especially the most important part of studying the structure of sentences in the language, that is, the most difficult part for students who are familiar with Chinese grammar. After several years of teaching experience, students seem to have mastered the special interrogative sentences and written and oral use that often appear in life. To further increase the effectiveness of teaching in the future educational process and reduce the number of unnecessary mistakes in the sentence and the process of speech, students decided to conduct research and control their daily work. It was analyzed that the mistakes are often done by students when doing exercises and explain the reasons.