英语语法虚拟语气1_高考语法_高考英语-查字典英语网

　　If you were to succeed, everything would be all right.

　　3 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).

　　4 虚拟条件句的倒装

　　虚拟条件句的从句部分如果含有were, should, 或had, 可将if省略，再把were, should或had 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，动词的过去时态一律用were，不用was,即在从句中be用were代替。

　　If I were you, I would go to look for him.

　　如果我是你，就会去找他。

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