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高中英语语法总结大全之虚拟语气

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更新时间2009-3-27

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基本信息

混合条件句

主句与从句的动作发生在不同的时间,这时主,从句谓语动词的虚拟语气形式因时间不同而不同,这叫做混合条件句。

If you had asked him yesterday, you would know what to do now.

(从句与过去事实相反,主句与现在事实相反。)

If it had rained last night (过去), it would be very cold today (现在).

 

虚拟条件句的倒装

虚拟条件句的从句部分如果含有were, should, had, 可将if省略,再把were, shouldhad 移到从句句首,实行倒装。

Were they here now, they could help us.

=If they were here now, they could help us.

Had you come earlier, you would have met him

=If you had come earlier, you would have met him.

Should it rain, the crops would be saved.

=Were it to rain, the crops would be saved.

注意:

在虚拟语气的从句中,动词'be'的过去时态一律用"were",不用was 即在从句中bewere代替。

 

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