有时主句和从句的谓语动词指不同的时间，这时需要用混合虚拟语气。一般来说，在这种情况下，主从句谓语动词指代的时间不同，所以我们又可以错综时间条件句，在这种虚拟情况，动词形式应根据实际情况灵活使用，在做这些题目时候尤其要注意每道题目的提示语：时间状语。绝大多数情况下，从句或者主句都有相关的时间状语，这是我解题的关键。 }t#uSz^
If you that late movie last night, you wouldn't be so sleepy. &[ ejxK"
A. haven't watched BWV)>
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B. didn't watch A
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C. hadn't watched 9;KQ3.Fa}q
D. wouldn't have watched b"n0Yk1
答案选C。 v#J 2yg
Many dead would now be alive if they have not attempted to return for something. / @- !JF#g
Had Paul received six more votes in the last election, he would be our chairman now. N#
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混合虚拟语气还有一种情况就是事实和虚拟假设的混合句，这样的句子不仅仅是时间的不同，而重要是事实和假设的混合。 ".Z |zt6C
I would have gone to visit him in the hospital had it been at all possible, but I was fully occupied the whole of last week. p(o"K@I
该句前半部分是假设虚拟，而后半部分是事实的陈述。 _{0'3tI7
Your math instructor would have been happy to give you a make-up examination had you gone and explained that your parents were ill at the time. ^ur?da9z'
该句前半句用的是假设虚拟，后半句主句也用的是假设虚拟（如果你去并且解释的话），但是后半句的从句用的是事实语气，因为“父母病了”是客观事实，故不需要用虚拟形式had been。 U7i WYdt$
