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should have done 与must have done 在反义疑问句时规则是什么
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推荐答案 推荐于2016-04-13
must have done.
表示对过去事情的肯定推测,
译成“一定做过某事”,该结构只用于肯定句。
should have done
意思是“本来应该做某事,而实际没做”,
shouldn‘t have done
表示“本来不应该做某事,而实际做了”。含有指责对方或自责的含意。
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