高三英语复习:虚拟语气详解
- 资源简介:
约8740字。
虚拟语气
一、概念:
虚拟语气是一种特殊的动词形式,一是用来表示说话人所说的话不是一个事实,而是一种假设、猜测、怀疑等(在条件从句中或让步状语从句中);一是表示说话人的愿望、要求、命令、建议等(在宾语从句、表语从句、同位语从句)。
二、用法
(一)条件句:
真实条件句:
如果他来,会带小提琴来的。
If he comes, he will bring his violin.
The volleyball match will be put off if it ___.
A. will rain B. rains C. rained D. is rained
答案B。真实条件句主句为将来时,从句用一般现在时。
非真实条件句:
虚拟条件句 主句
与现在事实相反的假设 If+主语+动词的过去式
(动词be用were)
主语+should,would,
might,could+动词
原形
与过去相反的假设 If+主语+had +过去分词
主语+should,
would, might, could
+have done
与将来相反的假设 1、If+主语+动词过去式
2、If+主语+were to+ 动词原形
3、If+主语+should +动词原形 主语+should, would
might, could+动词
原形
注意:
①在条件句中,可省略if,把were ,had, should 提到句首,变为倒装句式
如果还在学校,我会更加努力学习。
If I were at school again, I would study harder.
Were I at school again, I would study harder.
如果早点来,你会碰到他。
If you had come earlier, you would have met him.
Had you come earlier, you would have met him.
如果明天下雨,我们不会去爬山。
If it should rain tomorrow, we would not go climbing.
Should it rain tomorrow, we would not go climbing.
他们现在在的话,就会帮助我们了。
Were they here now, they could help us. =If they were here now, they could help us.
假如下雨,庄稼就有救了。
Should it rain, the crops would be saved. =Were it to rain, the crops would be saved.
如果不是因为费用问题,我现在就出国了。(如果省略的条件句的谓语动词是否定形式,不能用动词的缩略形式。)
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