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高中英语语法讲解:虚拟语气if倒装句

2017-02-05  发布者:赵利粉  浏览数( -)





高中英语语法讲解:虚拟语气if倒装句



 一、省略连词if 采用倒装的非真实条件句



  在书面语中,条件从句可以不用连词if, 而将谓语中的过去式were,hadshould等移至主语之前,构成倒装。



  例:Were you in my
position, you would do the same.



  假如你处在我的地位,你也会这样干的。



  例:Had he come earlier, he
would have met her.



  要是他早点来的话,他就会见到她了。



  二、虚拟语气在储蓄条件句中的应用



  非真实条件句中的条件从句有时不表示出来,只暗含在短语或上下文中,这种句子叫做储蓄条件句。常见的有but,for ,without等引导的短语,以及or, or else,
otherwise, but
等后面的分句。



  例:But for your help we
couldn
t have succeeded in the experiment.



  如果没有你的帮助,我们的实验室是不会成功的。



  例:We could have done
better under more favourable conditions.



  在更有利的条件下,我们能够做得更好些。



  经典考点:



  1____right now, she would get there on Sunday.



  A)Would she leave



  B)If she leaves



  C)Were she to leave



  D)If she had left



  2____for my illness I would have lent him a helping hand.



  A)Not being



  B)Had it not been



  C)Without being



  D)Not having been



  3We didnt know his telephone number,
otherwise we ____him.



  A)would have telephoned



  B)must have telephoned



  C)would telephone



  D)had telephoned



  4A safety analysis____the target as a potential dandger
Unfortunately, it was never done.



  A)would identify



  B)will identify



  C)would have identified



  D)will have identified点击下一页查看答案





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