英语:为什么这里介词后不加ing
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/06/24 04:39:18
英语:为什么这里介词后不加ing
He often goes to school after he plays football 为什么play不加ing?难道after不是介词?
He often goes to school after he plays football 为什么play不加ing?难道after不是介词?
![英语:为什么这里介词后不加ing](/uploads/image/z/5913907-43-7.jpg?t=%E8%8B%B1%E8%AF%AD%3A%E4%B8%BA%E4%BB%80%E4%B9%88%E8%BF%99%E9%87%8C%E4%BB%8B%E8%AF%8D%E5%90%8E%E4%B8%8D%E5%8A%A0ing)
after可做介词也可做连词.所以 after后可加动词ing或一个句子,加句子时用作时间状语从句,主句用一般现在时,从句也用一般现在时 he plays football 是一个句子,此时after用作连词.因此play不加ing.加ing的情况如:He often watches TV after finishing his homework.