解放军文职考试:表语从句
在复合句中,位于系动词之后作表语的从句叫表语从句。引导表语从句的关联词与引导主语从句的关联词大致一样,表语从句位于系动词后,有时用as if引导。
其基本结构为:主语+ 联系动词+ that从句
1.that 引导表语从句,无词义,只起连接作用,不可省。
2.联系动词可为be,look,seem,sound,appear等。
3.主语可为名词fact,truth,cause,question,explanation,trouble,assumption,belief等,代词this,that,these,it等。
The fact is that we have lost the game. 事实是我们已经输了这场比赛。
That’s just what I want. 这正是我想要的。
This is where our problem lies. 这就是我们的问题所在。
That is why he didn’t come to the meeting. 那就是他为什么不到会的原因。
It looks as if it is going to rain. 看上去天要下雨了。
Raw material is what we are badly in need of.原材料是我们所急需的。
China is not what it used to be.中国已不是过去的中国了。
【注意】
1.当主语是reason时,表语从句要用that引导而不是because。
The reason why he was late was that he missed the train by one minute this morning.
2.whether可引导表语从句,但与之同义的if却通常不用于引导表语从句。
3.That is why…译为“这就是……的原因/因此”。
其中why引导的名词性从句在句中做表语,该句型通常用于针对前面已经说过的原因进行总结。
That is why you see this woman before you know.这就是现在这位女士出现在你面前的原因。
That is why I came.这就是我来的原因。
区别:①That is why ……与That is the reason why …同义,只不过从语法结构上讲,前者中的why引导表语从句,后者中的why引导定语从句。
That is (the reason ) why I cannot agree.这就是我不能同意的理由。
②That is because …句型中从属连词because引导的名词性从句在此做表语,意为“这就是为什么……/因为……”。
That is because …指原因或理由。
That is why … 指由于各种原因所造成的后果。
He didn not see the film last night. That is because he had to help his little sister with her homework.昨晚他没有去看电影,那是因为他得帮助他的妹妹做作业。(第一句话说明结果,第二句话说明原因)
He had seen the film before. That is why he did not see it last night.他以前曾看过那部电影,因此他昨晚没有去看。(第一句话说明原因,第二句话说明结果)
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