2022中考英语情态动词+have done的用法
2021-12-12 19:54:33佚名
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情态动词+have done的用法
must have done sth.一定做某事
can/could have done sth.本来能够做某事,而实际上未做
can't/couldn't have done sth.不可能做过某事
ought to/should have done sth.过去本应该做某事而实际上并没有做
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情态动词+have done的用法
must have done sth.一定做某事
can/could have done sth.本来能够做某事,而实际上未做
can't/couldn't have done sth.不可能做过某事
ought to/should have done sth.过去本应该做某事而实际上并没有做