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must have been
may
have
been
和
must
have been 中的been什么意思?不要行吗?been是...
答:
在这里的
been
是be的过去分词,要看语境才知道been需要不需要。1,单单这样看这两个的话,那是表示猜测,是对已经发生的事情的猜测。所以用
have
been。如果是对现在的猜测那就是 may be 和
must
be了。2、如果是表示被动的话。那么后面应该还有动词的过去分词。如:may have been washed 可能已经被...
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
been
反义疑问句
答:
must
have
done 是对过去动作的肯定推测,也就是说原句的本意是the girl was reading at this moment last sunday,所以反义的时候才用wasn't she。
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 ...
must
have
been
doing
答:
must
have
been
... 那时一定是 can't have been... 那时不可能是 must have been doing意思是 一定一直都在做某事She is so tired .She must
has
been working all the morning.她很疲劳了她一定工作了一个早上。must have been doing 表示肯定的猜测 并且猜测这种动作,或者行为一直持续到...
must
have
been
doing的用法
答:
意思是 一定一直都在做某事 She is so tired .She
must
has
been
working all the morning.她很疲劳了 她一定工作了一个早上 must
have
been doing 表示肯定的猜测 并且猜测这种动作,或者行为一直持续到现在
must
have
done和must have
been
doing的区别
答:
如:Tom
must
have
been
playing basketball.汤姆肯定是一直在打篮球.2 同样,把must have+been done--把这个和must have +done进行比较,仔细看看比较加号后面的:must have +done must have+been done be done表示被动,表示什么人或物被怎么样了,那要放到must have +done里面去,就要符合过去分词的...
请问there
must
be和there must
have
been
有什么区别呢?
答:
不可以互换 两者有时态上的区别 第一个在推测的时候,动作还未发生(对现在进行推测)第二个在推测的时候,动作已经发生(对过去进行推测)There
must
be some mistake. 这儿一定是有些错误(对现在的事实进行推测)There must
have
been
some mistake. 当时这儿一定弄错了(对过去的事实进行推测)...
The room
must
have
been
cleaned yesterday,wasn't it?为什么表示一种...
答:
must
have
+过去分词:表示对已发生的动作或状态推测。译为:肯定已经 如果加过去时间状语,反义问句就用一般过去时。He must have cleaned the room, hasn't he?He must have cleaned the room yesterday, didn't he?这是主动语态。被动:The room must have
been
cleaned yesterday, wasn't he?
must
have
been
may have been
答:
must
be + doing/done must
have
been
+done may be +doing/done may have been+ done
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