must have done 和must have been 的区别
来源:百度知道 编辑:UC知道 时间:2024/05/25 02:10:00
都是对过去的猜测,二者的区别是什么?拜托说详细点~
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 表示必须. 一定. must have done.表示对过去发生的事非常肯定的猜测.
而must have been 是对某物已经处于某状态或已经到达某地点的肯定猜测.
must+have done 句型
He must have done nothing but ____
I must have done something right.这一句应该怎么翻译?
有没有must not have done的说法呀~~
have done
must have done 和 must do 有什么区别!哪一个是表示对过去的猜测呢?
He must have done it last night,____he ? 这个反意疑问句怎么做啊
must have done 表推测时,附加疑问句该怎么样用?
have been done和 have done
have done and have been done