needn't与don't need的区别

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/04/23 17:10:50

needn't与don't need的区别
什么时候用前者,什么时候用后者?

needn't的need是情态动词,情态动词的否定形式在后面加not,而don't need的need是实意动词,实意动词的否定形式是在前面加don't
need既可以做情态动词也可以做实意动词,两种情况一般来说都可以用,只是在表否定时要注意形式

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