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?
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那什么情况用has?举个例子吧He has a dogShe 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