2014年英语六级语法精要:表语从句

2014-04-15 14:11:37来源:网络

  2014年英语六级考试就要来了,下面是小编为大家整理的2014年英语六级语法精要,供各位考生参考。

  表语从句

  构成方式:

  若从句为陈述句,直接加that;

  若从句为特殊疑问句:直接保留特殊疑问词,后面的句子变成陈述句语序;

  若从句为一般疑问句:先把一般疑问句变成陈述句语序,然后在其前加上weather或者if;

  eg:China is no longer what she used to be.

  The question is who is responsible for what has happened.

  (4)主语从句:主语变成一个句子

  构成方式: 若从句为陈述句,直接加that;

  若从句为特殊疑问句:直接保留特殊疑问词,后面的句子变成陈述句语序;

  若从句为一般疑问句:先把一般疑问句变成陈述句语序,然后在其前加上whether或者if;

  位置:直接置于句首;

  eg:That the college will take in more students is true.

  Whether he will come or not hasn't been decided.

  Why he isn't here is not clear to everyone.

  it 做形式主语的情况:

  (1)It is+名词+主语从句;

  eg:It is a pity that you should have to leave.

  (2)It is+形容词+主语从句;

  eg:It is clear that the whole project is due to failure.

  如果是It is necessary/important/strange/natural+that引导的主语从句,从句中的谓语动词一定要用should+动词原形;

  eg:It is necessary that one should master the skills of operating computer.

  (3)It is+过去分词+主语从句;It is said/planted/expected…

  eg:It is said that President Bush will visit our school next week.

  (4)It is+不及物动词+形容词表语形式+主语从句;

  eg:It seemed certain that he will win the prize.


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本文关键字: 英语六级语法 表语从句

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