定义:
虚拟语气用来表示说话人的主观愿望或假想,而不表示客观存在的事实,所说的是一个条件,不一定是事实,或与事实相反。虚拟语气通过谓语动词的特殊形式来表示。
用法:
1、表示与现在事实相反的情况:
从句:主语+过去时
主句:主语+should/would/could/might+do
例如:
If I were you, I would take an umbrella.
如果我是你,我会带把伞。
2、表示与过去事实相反的情况
从句:主语+had done
主句:主语+should/would/could/might+have done
例如:
If I had got there earlier, I should/could have met her. 如果我早到那儿,我就会见到她。
3、表示对将来情况的主观推测
从句:
①if+主语+were to do 主句:①主语+should/would/could/might+do
②if+主语+did/were ②主语+should/would/could/might+do
③if+主语+should+do ③主语+should/would/could/might+do
例如:
If he should come here tomorrow, I would talk to him.
如果他明天来这儿的话,我就跟他谈谈。
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