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英语
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Needn't have done 和needn't do的区别!
请告诉我具体的意思.
还有,needn't do可以用在虚拟语气中吗?
Needn't have done 一定要用在过去时态中吗?
人气:105 ℃ 时间:2019-09-24 05:34:55
解答
needn't have done 是不需要做(已经做过的事)
needn't do 是不需要做(还没做的事)
不能用在虚拟
一定要的(都已经做了,当然是过去啦)
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