might have been 和 cound have been的区
英语
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might have been 和 cound have been的区别
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都是虚拟语气.但是使用的场景不同.might have been 多用于猜测,比如:He might have been to Beijing.他大概去过北京.You might have said this before.(猜想)你也曾说过这些话.could have been多用于原本可以(能...
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