四、教师课堂指令与对教师教学和学生学习有着重要的影响，因此，正确有效的

Fourth, classroom instruction and learning has an important impact on teaching and students, therefore, correct and effective classroom instruction language teachers can not only help with classroom management, and can help students of language acquisition. Mainly from the following six aspects analyze the use of five outstanding high school teachers in classroom instruction in English language, namely lexical features, syntactic features, characteristics of speech acts, discourse characteristics, language features, voice characteristics of these six areas.

Fourth, teacher classroom instruction and teacher teaching and student learning has an important impact, therefore, the correct and effective teacher classroom directive can not only help teachers to manage the classroom, but also can help students to learn the language. The following mainly analyzes the use of five excellent high school English teachers in classroom instruction, namely, vocabulary characteristics, syntactic characteristics, speech behavior characteristics, discourse characteristics, language characteristics, speech characteristics.

4、 Teachers' classroom instruction has an important influence on Teachers' teaching and students' learning. Therefore, a correct and effective teacher's classroom instruction language can not only help teachers to manage the classroom, but also help students' language acquisition. The following is an analysis of the use of classroom instruction of five excellent senior high school English teachers from six aspects, namely, lexical features, syntactic features, speech act features, speech features, language features and phonetic features.