注意:cant have done 的语气比 couldnt have done 要强一些。例如:
He cant have been to that town.
他根本不可能去过那座城市。(语气略强)
The measurement couldnt have been wrong.
测量不可能出错了吧。(语气稍弱)
【从零开始学语法:can have done用法小结】相关文章:
★ 从零开始学语法:at school 等于at the school 吗?
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