但外国研究者对高中英语语法教学的研究较少。而且只是部分提及简笔画的优点

However, few studies foreign researchers on teaching high school English grammar. And just mentioned advantages of the stick figure, stick figure but also need to explore whether there are aspects of its outstanding advantages through practice.

However, foreign researchers have less research on the teaching of english grammar in high school. And only a partial mention of the advantages of simple strokes, but also through practice to explore whether simple strokes still have its outstanding advantages.

However, foreign researchers have little research on grammar teaching in senior high school. Besides, it only mentions the advantages of simple strokes in part, but it also needs to explore whether there are outstanding advantages of simple strokes through practice.