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can have been
canhavebeen
与mayhavedone区别
答:
区别是用法不同。
can have been
意思是“可能是”,一般用在被动句中,比如He can have been delayed by heavy snow.(他可能被大雪耽搁了)may have done意思是“可能已经完成”,一般用在主动句中,比如He may have finished his home work.(他可能已经完成了家庭作业)
...
been
、must been和may been和come
have
been、must have been和...
答:
你说的应该是
can
/could be、must be、may/might
have
been
、must have been can/could be:表猜测,可能 must be:一定 may/might be:可能,语气比can/could弱 must have been:一定做过,表动作已发生 may/might have been:可能做过,表动作已发生 祝学习进步!如有帮助 请尽快采纳 谢谢!
can
't
have
been
和must have been
答:
must
have
been
... 那时一定是
can
't have been... 那时不可能是 再好好理解这几人句子,相信你就理解啦.He can't have been ill. He must have been tired.She can't have been forty. She must have been fifty.He can't have been the youngest. He must have been the oldes...
can
't
have
been
home还是can't have been at home?home是什么词性?名 ...
答:
can't
have been
home 和 can't have been at home 二者都表示对过去情况的推断,但意思不一样。前者的 home 是副词,意思是“不可能回家”,后者的 home 是名词,意思是“不可能在家”。
can
't
have
been
和can' have done有什么区别
答:
can
t
have
done 表否定推断,推测肯定没做。 The measurement couldn t have
been
wrong. 测量不可能出错了。 He can t have been to that town. 他根本不可能去过那座城市。 He can't have taken it home. 他不 “can’t have done”表否定推断,推测肯定没做。<><><> The measurement...
求
can
't be/must be/can't
have
been
/must have been的用法
答:
1.He
can
't come.他不会来了。(不会 / 不可能 )2.He must be ill.他 肯定 是病了 3.he can't
have
been
finished the work.他 不可能已经 完成了工作过去做过某事对现在产生影响的 否定 推测 既“不可能做过某事”---简单的说,对 过去 的 否定 推测 4.He must have been very ...
为什么第一题
can
't
have
been
不行?第二题must have been 不行_百度知 ...
答:
must
have
been
表示对过去时间发生的动作或存在的情况的推测,一般用于肯定句.例如:She must have been in the library, I saw her there just now.她肯定在图书馆,刚才我在那儿见她了。
can
't have been 表示对过去发生事情的“不肯定”,常用于否定句和疑问句.例如:He can't have been to ...
can
be seen 和 can
been
seen 的区别?
答:
can
been
seen 是错的;只有can be seen的用法:能够被看见 can 后跟动词原形,也没有can
have
been seen的用法,而用:could have been seen,虚拟语气 希望对你有帮助
He
can
't
have
been
.He must have been.不是说单三用
has
吗?
答:
你好,为你解答,正确答案为:在情态动词(
can
't, must)后面动词要用原形
have
。★☆★☆★☆★☆★☆★☆ 不明白请及时追问,满意敬请采纳,O(∩_∩)O谢谢
must
have
done ,
can
have done
答:
must
have
done 一定做过某事(表示对过去发生的事的肯定推测)
can
have done 可能做过某事(表示对过去发生的事的不确定的推测)如:He must have
been
there yesterday.他昨天肯定去过那儿。He can have been there yesterday.他昨天可能去过那儿。
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