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could和can的区别

回答
瑞文问答

2021-09-25

could和can都是情态动词,后面接动词原形,can do something表示现在的能力,could do something表示过去的能力。情态动词表语气,can表示一种自己非常强的自信的语气,could表示一种悔恨遗憾的语气。

扩展资料

  could的例句:

  I could come next week, or the week after.

  我可能下周来,或者再下一周。

  The operation could prolong his life by two or three years.

  这次手术可使他多活两三年。

  Events could have developed in a dramatically different way.

  事情本来可以发展成另一种样子。