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must been done
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...
will/
must
/would /have/has/must have
been
+ 过去分词各怎麼翻译...
答:
will have
been
done
表示将来要被做 would have been done 常用在虚拟语气,表示本要被做而没有做(记住在虚拟中的用法非常有用)
must
have been done 表示对过去的推测,一定被做……have/has been done 表示现在完成时的被动语态 译为:被……
All that
must
be
done
___(do).答案是have
been
done,为什么是这个...
答:
当all of + 复数名词作主语时,谓语动词也用复数。如:All of the trees have
been
cut down.当all作“一切”讲时,谓语动词用单数。如:All has been changed.All I want is just a cup of tea.所以例句中的空应该是has been
done
整句话应该是:All that
must
be done has been done.
must
have
done
是什么意思?
答:
must
+have
done
过去一定做了某事(对过去的事情一种肯定的猜测、推测)。如:He said I must have done something bad to deserve it.他说我肯定是罪有应得。That car must have cost a packet.那辆汽车一定花了一大笔钱。I think we must have taken a wrong turning somewhere.我觉得我们一定...
must
be
的用法
答:
must的
英式读法是[mʌst];美式读法是[mʌst]。单词直接源自古英语的moste,意为应当,必须,需。作助动词意思有必须;应当;很可能。作名词意思有必须做的事;未发酵的葡萄汁;发霉。相关例句:1、Something must
be
done
about it.必须得想个办法。2、The dictionary must be on the ...
must
have
been
done
可以和many year ago用不?但是many year ago只用...
答:
不可以 many years ago 是一个表示过去的时间状语
must
have
been
done
是个现在完成时的被动 如果是must had been done还是可以的 例如:This book must had been published many years ago.如果满意请及时采纳,不理解我们继续讨论。
情态动词加have
done
表示过去 主语是单三时,have需要变为has吗?_百度...
答:
另外还可以表示过来可能发生的事结果未发生,意为“本来会……”(此时 might 不能换为 may)。情态动词+have
done
有反意问句,但变化时不看情态动词,看这些句子的时间时态决定,看看例子吧:1,He
must
have
been
to Beijing,hasn't he?2,He can't have gone to Shanghai yesterday,did he?
must
have
done
的用法
答:
包括四种常用用法,
must
have
done
sth.、can/could have done sth.、can't/couldn't have done sth.、ought to/should have done sth.。一、must have done sth.一定做某事。表示对过去事情的较有把握的推测,这时只能用在肯定句中,“肯定/必须已经干过…”,在否定句和疑问句中用can't或...
must的
用法?
答:
She asked if she
must
(had to) leave. 她问她是否一定要离开。3、对于must 开头一般疑问句,若要作否定回答,可用needn’t,不用mustn’t:"
Must
I come over tonight?" "No, you needn’t." “我今晚必须过来吗?”“不必。”4、其后可接被动结构或进行形式:Something must
be
done
to ...
must
have
done
和must
be
在处于被动语态时的区别
答:
must
have
done
可以被当做一个句型:叫做“准是”句型。一般表示过去发生的动作。这里的must体现的是推测功能而不是情态功能。跟你说一下区别。比如说:He must have eaten this apple.意思是:他准是吃过了这个苹果。(意思是过去吃了这个苹果。)而:He must eat this apple.意思一般是:他必须去...
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