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 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!](/uploads/image/z/10615190-14-0.jpg?t=You___TV+last+night+since+there+was+a+power--cut.A.mustn%27t+have+watched+B.couldn%27t+have+watchedC.couldn%27t+watch+D.+wouldn%27t+watch+%E7%AD%94%E6%A1%88%E9%80%89B%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E5%91%A2%3F%E6%B1%82%E8%AF%A6%E8%A7%A3%2C%E5%B9%B6%E6%98%AF%E5%90%A6%E8%83%BD%E5%B8%AE%E5%8A%A9%E6%88%91%E7%BF%BB%E8%AF%91%E4%B8%80%E4%B8%8B%E5%91%A2%3F%E8%B0%A2%E8%B0%A2%E5%A4%A7%E5%AE%B6%21)
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!
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!
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!
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。