Tom doesn't have tennis racket,but his sister has one 为什么前面用have 后面要用has
Tom doesn't have tennis racket,but his sister has one 为什么前面用have 后面要用has
英语人气：383 ℃时间：2019-11-22 21:06:29
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主语为单数如Tom , his sister 谓语都要用第三人称单数,所以后面的为has, 但是前面为否定,由助动词doesn't 加动词原形,所以用have.
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