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虚拟语气三种基本结构

2020-05-19 09:35:02文/董玉莹

与过去事实相反:从句的谓语动词用had done,主句谓语动词用would/could/might/should have done;与现在事实相反:从句的谓语动词用过去式,主句谓语动词形式用would/could/might/should do;与将来事实相反:从句的谓语动词用过去式should do/were to do,主句谓语动词形式用would/could/might/should do。

虚拟语气三种基本结构

If引导的条件状语从句中的虚拟语气

表示对过去情况的虚拟:

从句:had done

主句:would/could/might/should have done

If I had read the book,I would have told you about it.

如果我读了这本书,我就会告诉你了。

表示对现在情况的虚拟:

从句:would/could/might/should do

主句:动词过去式

If he studied at this school,he would know the environment around the school very much.

如果他在这所学校学习的话,他会很了解周边环境。

表示对将来情况的虚拟:

从句:should do/were to do

主句:would/could/might/should do

If he should go to Harvard University,he would make full use of his time.

如果他要上哈佛大学的话,他就会充分利用他的时间了。

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