"might have done/could have done"

might have done/could have done 它们的区别？

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第1个回答 2013-09-24

might have done 表示：本来可以做。。。。。。（而实际上没做）不太可能的
如：I don't know where my father is. But he might have gone to work.could+have+done，表示对过去事情的假设，意思是本来能够做某事而没有做。非常肯定的
He could have passed the exam, but he was too careless. 本来他能够通过考试，但是他太粗心。

第2个回答 2013-09-24

might have done 的意思带有也许假设的意味而后者是本应该做的有责备的意味

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