the old man needs our help,doesn't he?
doesn't he?为什么不是needn't he?
还是分情况
人气:171 ℃ 时间:2019-12-08 04:29:11
解答
用doesn't he
这里need是实意动词,反义疑问句用 don't,doesn't didn't
如果need是情态动词,那么用needn't如何判断是实义动词还是情态动词呢?情态动词没有人称变化, 否定直接+not, 后面跟动词原形实意动词,有人称变化, 否定 在前面+dont' doesn't, 后面+to do..能否举个例子?人称变化是指?He needs a book.need 加了S, 就是人称变化Need he go there? need没加S, 是情态动词!
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