should,must ,would,could,might这几个词怎么区分呀?The boys looked cheerful.I think they__the match.A.should win B.should have won C.must have won D.must winYou__have seen Jane in her office last Friday:she's been out of town for two weeks.A.couldn't B.Mustn't C.wouldn't D.shouldn'tHe said he __the difference between right and wrong.A.can't tell B.shan't tell C.couldn't tell D.won't tell像这样的词总是做错,
should,must ,would,could,might这几个词怎么区分呀?
The boys looked cheerful.I think they__the match.
A.should win B.should have won C.must have won D.must win
You__have seen Jane in her office last Friday:she's been out of town for two weeks.
A.couldn't B.Mustn't C.wouldn't D.shouldn't
He said he __the difference between right and wrong.
A.can't tell B.shan't tell C.couldn't tell D.won't tell
像这样的词总是做错,
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1 答案:C
翻译:男孩们看起来很高兴,我想他们一定赢了比赛
分析:这是对过去事情肯定的推测,使用must have done 这个句型,
2 答案:A
翻译:你不可能上周五在Jane的办公室见到她,她已经出城两个礼拜了
分析:这也是情态动词用于推测的用法,Mustn't 否定形式不是表示推测,而是禁止的意思,淘汰B,wouldn‘t这是表示对将来事情的推测,这里用的是完成时,而且是last Friday,所以不是对将来的推测,而是对过去的猜测,淘汰C,D 不应该,用在这里不合适,因为已经出城两周了,所以是绝对不可能的.淘汰D
ps:对于猜测表示有把握否定的猜测,不用mustn't,用can’t或者couldn‘t
3 答案:C
翻译:他说他不能辨别出正确与错误的区别
分析:这里表示的意思是能与不能,因此淘汰BD,因为前面使用的是said过去式,因此,这里也该使用can的过去式could,淘汰A