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11.---I heard the phone ringing in the office next door.
---You         it.They haven't got a phone yet.(  )
A.couldn't hearB.couldn't  have heard
C.didn't hearD.wouldn't  have heard

分析 -我听到隔壁办公室电话一直在响.
-你不可能听到的.他们还没有电话呢

解答 答案是B.考查虚拟语气,根据后句可知此处是否定对方的话,是对过去的一种否定推测,用"情态动词+have done",couldn't have done"不可能做过某事",答案选B.

点评 虚拟语气是高考经常考查的内容,也是英语学习中的一个难点.虚拟语气用于表示说话人的假想、建议或主观愿望,所表示的假设并不是事实,而是不可能或是不大可能发生或实现的,除了掌握if条件句引导的虚拟语气之外,还要掌握一些与虚拟语气有关的固定句型结构,首先,判断是否需要使用虚拟.其次,结合虚拟语气句式,判断需使用何种时态及句式是解题的关键.关于推测要掌握对于现在、过去的肯定否定推测.

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