You___TV last night since there was a power--cut.A.mustn't have watched B.couldn't have watchedC.couldn't watch D. wouldn't watch 答案选B,为什么呢?求详解,并是否能帮助我翻译一下呢?谢谢大家!
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You___TV last night since there was a power--cut.A.mustn't have watched B.couldn't have watched
C.couldn't watch D. wouldn't watch 答案选B,为什么呢?求详解,并是否能帮助我翻译一下呢?谢谢大家!
B
昨晚你不可能看电视了,因为停电了.
对过去的推测,应该是“情态动词+have done sth.”,先排除CD.
对过去肯定的推测,用must have done sth.,如:
The ground is wet.It must have rained last night.
地面是湿的,昨晚肯定下雨了.
而否定的推测用can't have done sth.,表示“不会”,如题所示.
can't 不可能(表示推测),对现在动作的表示不可能
couldn't have done 是表示对过去动作的不可能
句意:你昨晚()看电视了,因为昨晚断电了。
因为断电了,所以你昨晚不可能看电视了,根据上述说法应该用couldn't have done 即B
选couldn’t watch 昨晚你们没能看电视,因为停电了。would是愿意的意思,与句子意思不符合
答案是B.
mustn't ---强调的是不可以,不许。
而couldn't 意思是不可能,故最适合这个语境。
翻译:昨晚断电所以你不可能看电视。
Did you hear someone___at the door when you___TV last night?A.knock,was watchingB.knock,watching C.knock,were watching D.knock,are watching
You___TV last night since there was a power--cut.A.mustn't have watched B.couldn't have watchedC.couldn't watch D. wouldn't watch 答案选B,为什么呢?求详解,并是否能帮助我翻译一下呢?谢谢大家!
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