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1、,定义:用作主语的从句叫做主语从句,主语从句,构成:关联词+句子,关联词的种类,引导主语从句,What you need is more practice. 你需要的是更多的练习。同类的连接代词还有:what, who, whom, whose, which, whatever, whoever, whichever.Whoever wants it may have it. 谁要都可以给他。,以what等连接代词引导主语从句,It was strange that he had made a mistake. 真奇怪,他竟然错了。Whether he will join us wont ma
2、ke too much difference. 他是否加入我们,没有太大的差别。,以that,whether等从属连词引导主语从句,当主语从句不太长时,引导词“that”可以省略。Its clear (that) he has done his best. 很明显他已经尽力而为了。Its a wonder (that) he didnt fail. 真奇怪,他没有失败。,引导词that什么时候可以省略,When they will come hasnt been made public. 他们什么时候来还没有公布。Where she has gone is not known yet. 她去了
3、哪儿,还不知道。Why he did it will remain a puzzle for ever. 他做那件事的原因将永远是个谜团。,以when等连接副词引导主语从句,(1) 在主语从句中,把It was that去掉之后,就已经完全不像一个句子。在强调句中,把It was that去掉之后,基本上还勉强是个句子。(2)主语从句有以下的引导词:what, who, whom, whose, which, whatever, whoever, whichever. 强调句的引导词只有:that, who。,主语从句与强调句的区别,It was strange that he had mad
4、e a mistake. 如果把It was that 去掉以后,剩下strange he had made a mistake.就不算是句子了。,主语从句,请练习: It is said that hes got married. 听说他已经结婚了。,It was she that had been wrong. 错的是她。 如果把It was that 去掉以后,剩下she had been wrong.还勉强算的上是一个句子。,强调句,请练习: It was this novel that they talked about last night. 他们昨晚谈论的是这部小说。(强调宾语)It was in London that I first saw her. 我是在伦敦第一次见到她的。(强调地点状语),背诵所有的规则,