I have heard him speak about you often.为什么用speak而不用speaks?

问题描述:

I have heard him speak about you often.为什么用speak而不用speaks?

hear sb do sth 感官动词加动词原形

C, see/hear/watch 后面跟动词原型。初中的语法。 不选A, mention 后面不跟about,直接跟人。 D d A

hear sb do sth
听见某人做某事,这个地方不能用三单的