We stopped and watched him to play basketball.后面的play为什么用原型?

问题描述:

We stopped and watched him to play basketball.后面的play为什么用原型?

没有watch sb to do sth 的吧,只有watch sb do/doing,do 表示看见事情的全过程,doing表示看见某人正在做某事。

应该是watch him play / playing basketball. 是个特殊的用法,跟see sb do/doing sth.一样。

因为有to啊,to后面是加动词原形.

因为有个"to", to do something, to 后边要用原型