.If you ___ tomorrow,we___ have a party.But you will go back to Hong KongA.come,would B.came,will C.should come,would D.had come,would have had
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.If you ___ tomorrow,we___ have a party.But you will go back to Hong KongA.come,would B.came,will C.should come,would D.had come,would have had
.If you ___ tomorrow,we___ have a party.But you will go back to Hong Kong
A.come,would B.came,will C.should come,would D.had come,would have had
.If you ___ tomorrow,we___ have a party.But you will go back to Hong KongA.come,would B.came,will C.should come,would D.had come,would have had
C
参考如下：
一、虚拟语气表示一种不能实现的假设.该语法主要用于if条件状语从句.也可用于主语从句、表语从句、宾语从句等.
二、if条件状语从句中虚拟语气的判断
判断是真实条件句还是非真实条件句.只有在非真实条件句中才使用虚拟语气.通过句子意思,看假设的条件是否能够实现,能够实现是真实条件句,不能使用虚拟语气；假设的条件不能实现则是非真实条件句,要用虚拟语气.
判断这个假设是与哪个事实相反.通常有三种情况：①与过去事实相反.②与现在事实相反.③与将来事实可能相反.
三、“后退一步法”
后退一步法是指在准确地判断了该句与哪一事实相反后,按虚拟语气的后退一步法处理从句谓语动词的时态.即：在非真实条件状语从句中,谓语动词按正常情况“后退一步”.也就是：
①与过去事实相反,在从句中用过去完成时形式表示.
②与现在事实相反,在从句中用过去一般时形式表示.
③与将来事实可能相反,在从句中用过去将来时形式表示.
主句中则用情态动词would, should, could 等加一个与从句一致的动词形式.
例：If I had come her yesterday, I would have seen him.
If I were a teacher, I would be strict with my students.
If it should snow tomorrow, they couldn’t go out.
come will
你明天来的话，我们将举行一个聚会，可惜的是你明天要到香港去
B 这是一个虚拟语气。句子本意是这个party不会开了。
选A
选A，假设句，表示将来主语用一般时态，宾语用would/should加动词原形。
选c
根据句意 后面说他要回香港，所以明天不可能开party，所以前面所说的话是对将来要发生的事情的非现实的虚拟。将来虚拟式可以用should + do ，或 would+do引出。
也可以这样理正常情况下应该是：If you come tomorrow，we will have a party.虚拟式后退一个时态，第二个空肯定是 would have a party.第一个空一般...
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选c
根据句意 后面说他要回香港，所以明天不可能开party，所以前面所说的话是对将来要发生的事情的非现实的虚拟。将来虚拟式可以用should + do ，或 would+do引出。
也可以这样理正常情况下应该是：If you come tomorrow，we will have a party.虚拟式后退一个时态，第二个空肯定是 would have a party.第一个空一般应该填过去式的come 也就是came，但选项中没有，可以用should+do 代替。
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