错综时态
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错综时态的虚拟语气
错综时态的虚拟语气即指主句和从句在表达是与什么时态的事实相反上并不一致(比如主句要表达与现在事实相反而从句要表达与过去事实相反),这种情况要采用“对号入座”的方法来处理,即主从句结构分别采用与其表达时态对应的结构。
Eg.
If you had asked him yesterday, you would know what to do now.
(从句与过去事实相反,主句与现在事实相反。
)
If it had rained last night (过去), it would be very cold today (现在).
60. If I hadn’t stood under the ladder to catch you when you fell, you _A_ now.
A wouldn't be smiling
B couldn't have smiled
C won't smile
D didn't smile
2. If you had studied the problem carefully yesterday, _C_.
A you won’t find any difficulty now
B you would not have found any difficulty now
C you would not find any difficulty now
D you have not found any difficulty now
3. He would be studying at the university now if he _C_ the entrance examination.
A passed
B have passed
C had passed
D should have passed
16. It is a shame that he _B_ that poor little girl!
A deceived
B should deceive
C deceive
D deceiving
18. Mrs. bliss kept the door and the windows shut lest the noise outside _D_ her son's sleep. [lest(以免,防备) 后面句子的谓语动词的形式都是:(should)+ 动词原形]
A would interfere with
B had interfered with
C interfered with
D should interfere with。