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一、 条件句中的虚拟语气
1. 条件句中虚拟语气的形式
从句中提出一种与客观现实不相符或根本不可能存在的条件，主句会产生的一种不可能获得的结果。条件句中的虚拟语气根据不同的时间有三种不同的形式。
时间
    从句谓语形式
   主句谓语形式
 
将来
动词过去式(be用were)
should + 动词原形
were to + 动词原形
 
would / should / might / could + 动词原形
现在
动词过去式(be 用 were)
would / should / might / could + 动词原形
过去
had +动词过去分词
would / might have + 动词过去分词
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       2.  条件句中的虚拟语气的举例
(1) 将来时的条件句中的虚拟语气。如：
If he should go to Qing Hua University, he would make full use of his time.
如果他要上清华大学的话，他就会充分利用他的时间了。
If he were to come here, he would tell us about it. 如果他要来的话，他会通知我们一声。
《全优》P48 三 (1)变倒装句:
(2) 现在时的条件句中的虚拟语气。如：
If he were free, he would help us. 要是他有空的话，它会帮助我们的。
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变倒装句:
If he studied at this school, he would know you well. 如果他在这所学校学****的话，它会对你很熟悉。
(3) 过去时的条件句中的虚拟语气。如：
If I had seen the film, I would have told you about it. 我如果看过这场电影，我会把电影内容告诉你了。
If I had got there earlier, I would have met Mr. Li. 如果我早点到那儿，我就会会到了李先生。
 变倒装句:
倒装句
I． 单项选择
1. _____can you expect to get a pay rise.
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A. With hard work B. Although work hard
C. Only with hard work D. Now that he works hard
2. Seldom ___ any mistakes during my past few years of working here.
A. would I make B. did I make
C. I did make D. shall I make
3. Not until all the fish died in the river, ____ how serious the pollution was.
A. did the villagers realize B. the villagers realized
C. the villagers did realize D. didn’t the villagers realize
4. Not until I began to work ____ how much time I had wasted.
A. didn’t realize B. did I realize C. I didn’t realize D. I realized
5.—Do you know Jim quarrel with his brother?
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—I don’t know, _______.
A. nor don’t I care B. nor do I care
C. I don’t care neither D. I don’t care also
6. Only by pra