must＋have done 句型

must＋have done 句型
must＋have done 表对过去发生事情有把握推测.
但是可不可以用must +be 这样的句子来表示?
比如说 He must have made it for you.可以变成 He must be made it for you
另外疑问否定中的can't/couldn't have done .什么时候用can't 什么时候用couldn't

左右and为难 1年前已收到1个回答举报

赞

燃烧的冰冷花朵

共回答了17个问题采纳率：94.1% 举报

不能用must be done的形式.因为must have done强调的是动作已经完成.
can't和couldn't是可以通用的,但是后者的语气较委婉.

1年前

4

可能相似的问题

用括号里的正确形式填空和句型转换(用must have been/done 或can't have been/done改

1年前3个回答
以下这些话用英语怎么翻译1他远在他乡,2我的疼痛一定很明显(用must have done句型),3往巴黎打电话,4第一

1年前1个回答
用can may must should+be+done句型造句

1年前1个回答
用can may must should+be+done句型造句

1年前2个回答
用Something must be done to句型造十个句子

1年前1个回答
must have been done must have done

1年前3个回答
must done 、must be done与must have done的区别

1年前1个回答
Now something must be done to solve the problem!这个句型somethin

1年前1个回答
must have done 否定是什么?没有must not have done?用什么?

1年前1个回答
must be done和 must have done区别

1年前1个回答
must have been done/must be done

1年前1个回答
must have done ,can have done

1年前3个回答
he must have done it yesteraday,――?he must have done it for

1年前1个回答
he must have done it yesteraday,――?he must have done it for

1年前2个回答
情态动词+have done 如 could have done,must have done,should have

1年前6个回答
must have done,must do,can't have done,can't do的区别

1年前1个回答
must have done和have done有什么区别

1年前3个回答
could have done,should have done ,must have done,的区别是什么...

1年前4个回答
need have done ,must have done ,can/could have done ,should

1年前1个回答

你能帮帮他们吗

精彩回答

Copyright © 2024 YULUCN.COM - 雨露学习互助 - 17 q. 0.088 s. - webmaster@yulucn.com