1、my friends never come to visit me.2、our teacher frequently collects our exercise books.为什么第一句的come不加s,而第二句的collect要加s了?

分类: 作业答案 • 2021-12-19 16:19:30

问题描述：

1、my friends never come to visit me.2、our teacher frequently collects our exercise books.
为什么第一句的come不加s,而第二句的collect要加s了?

答

1、my friends--------主语是复数.
2、our teacher ------------------主语是单数