don not have to do sth.don not need to do sth.need notdo sth三个词组有什么区别?
don not have to do sth.
don not need to do sth.
need notdo sth
三个词组有什么区别?
人气：489 ℃ 时间：2019-09-29 03:48:50
解答
don not have to do sth 表示的语气较为强烈,have to为不得不,语气强烈
don not need to do sth不必要做某事 语气比don not have to do st弱一些
need not do sth 则为must的否定形式
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