I heared him sing that song yesterday.中sing为什么不改变形式?

问题描述:

I heared him sing that song yesterday.中sing为什么不改变形式?
1个回答 分类:英语 2014-12-03

问题解答:

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hear sb do sth固定搭配,听见某人做某事
如果是听见某人正在做某事就是hear sb doing sth
 
 
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