Does she have a sister 为什么要用have不用has?

问题描述:

Does she have a sister 为什么要用have不用has?
不是说he she it要用动词三单形式吗?
1个回答 分类:英语 2014-10-17

问题解答:

我来补答
he she it的确要用动词三单形式,但是does是助动词,助动词后面要用动词原形,即has改为have.
所以以后就要记住了
再问: 那什么情况用has?
再答: 举个例子吧 He has a dog She has some books等等陈述句。 但是如果是否定句,有不同了,如 He doesn't have a dog。 She doesn't have any books。 反正你记住助动词do/does/did后用动词原形
 
 
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