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230问答网 > didn✀t 和couldn✀t的区别，详细点，谢谢

didn✀t 和couldn✀t的区别，详细点，谢谢

2025-04-04 01:37:38

推荐回答（2个）

回答1：

did not 和could not 都是过去式，前者的意思是没有的意思，后加动词，有否定的意思---没有干什么。 could not 是不能的意思，不一定一定要表示过去可能，也可表能力---不能，与can't同义！eg. i didn't do it(我没有干这件事) i couldn't do it(我不能做这件事)i couldn't have done it(我不可能有做过这件事)

回答2：

didn't 过去式的不是
couldn't 过去式不可能，不能

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