4.1教师课堂指令语的数量在文献综述部分，作者详细介绍了学者们提出的教

4.1 Number of classroom instruction language <br>in the literature review, the author details the different categories of teachers teaching instruction scholars have put forward, but to some extent, their classification have in common. In this study, classification Guo (2005), the language classroom instruction divided into direct and indirect instruction language instruction language. The number of teachers on teaching instructions, to count the number of four classroom instruction by watching the video author, direct and indirect instruction language instruction language distribution as shown below

4.1 Number of teacher's classroom directives<br>In the literature review section, the author details the different classification of teacher teaching instructions put forward by scholars, but to some extent, their classification has something in common. In this study, Guo (2005) was classified, and the classroom directive language was divided into direct instruction and indirect instruction. Regarding the number of teacher instructions, the author counts the number of four teachers' classroom instructions by watching the video, and the number of direct instruction and indirect instruction is distributed as shown in the figure below.

4.1 number of classroom instruction<br>In the part of literature review, the author introduces in detail the different classifications of teaching instructions put forward by scholars, but to some extent, their classifications have something in common. This study uses Guo (2005) to classify classroom instruction into direct instruction and indirect instruction. As for the number of teaching instructions, the author counts the number of four classroom instructions by watching the video. The number distribution of direct instructions and indirect instructions is shown in the figure below