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must have done 和must have been 的区别

来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/09/29 14:31:38
must have done 和must have been 的区别
都是对过去的猜测,二者的区别是什么?
must have done 和must have been 的区别
其实就是be动词与do动词的区别,该用哪个与must无关；你可以考虑现在完成时、一般现在时、一般过去时该用哪个,照此办理
It must have rained last night.昨晚肯定下过雨.
You must have been tired after all this work.
must have been与must have done的区别? must have been done must have done MUST have been done must have/ must have been的区别 must have been done/must be done must be done和 must have done区别 could/should/must/.加have done和have been done区别 must have done和have done有什么区别 must have done 和must have do must have been doing与must have been done都表示推测,有什么区别呀? must be must have done 区别 must与must have done 的区别是什么?