2011年成人英语三级考试重点语法学习
2. if的省略形式:在虚拟条件句中, 如谓语包含were , had, should等词, 则可以把这些词放到主语前面, 省略if。
Should it rain tomorrow, what would you do?
Had we known about the new method, we should have applied it earlier.
真题:
1)_____you were busy, I wouldn't have bothered you with my questions. (1996)(B)
A. If I realized B. Had I realized
C. Did I have realized that D. As I realized
( 虚拟条件句有时可以省略if, 而将谓 语中的过去式were, had,或should等移至主语之前。)
2)______, I should ask them some questions. (1997) (A)
A. should they come to us B. If they come to us
C. Were they come to us D. Had they come to us
3)______be true, it would be silly to argue any longer.(C)
A. If that were B. Were that
C. Should that D. Had that
4) _______for your help, we’d never have been able to get over the difficulties.(C)
A. Had it not B. If it were not
C. Had it not been D. If we had not been
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