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SAT语法要点之动词时态

2013-10-12 17:31:33来源:互联网

  时态考题是SAT语法考题的基础,难度一般属于E(easy level),其难点主要出现在虚拟语气以及虚拟语气的省略。

  虚拟语气的难点主要体现在(if 引导的)非真实条件句中if的省略:即如果非真实条件句中动词中有were, had, should时,可以省去if,并把were, had, should提到主语前变成倒装结构,如:If you had worked harder, you would have good marks in the SAT.

  →Had you worked harder, you would have got good marks in the SAT.

  If I were a millionaire, I would buy myself a yacht rather than a stupid house in Beijing.

  →Were I a millionaire, I would buy myself a yacht rather than a stupid house in Beijing.

  所以were, had, should放主语前,而又不是一个问句,那么它肯定是一个省略if的非真实条件句。此外这种省略结构还可以变得更为复杂:

  ①省略if的从句放在主句后

  在初高中的学习中,为了帮助理解,英语老师讲到非真实条件句中if的省略结构时,往往只举从句在主句前的例句,但英语的主从句的位置比较灵活,所以以下的句子就显得比较陌生,难以接受。

  如:I would have told him the news had I seen him yesterday.

  We would have been in Beijing yesterday had we got up earlier.

  ②整个省略if的条件句放在宾语从句,表语从句,或者并列句中

  当非真实条件句中if的省略结构被放置在从句中,形成非常复杂的句子结构时,也比较难以辨认。

  如:With the sun almost setting down, Jack felt lucky that had it not been for two particularly skillful members of the work crew, he could not have completed the apartment renovation on schedule.

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本文关键字: SAT语法 SAT语法要点

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