that在从句中的用法小结_英语从句用法小结

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that在从句中的用法小结

that除了用作指代代词以外，还可以用作连词引导名词性从句、状语从句，用作关系代词，引导定语从句。其用法如下：

一、that用作连词，引导名词性从句。

1.引导宾语从句，that无实际意义，可省略。例如： We must remember(that)the enemy will not perish of himself.我们必须记住敌人是不会自行消灭的。Kitty said(that)she would call again after supper.凯蒂说她晚饭后再来

但是，当一个句子很复杂，句中有多个并列的宾语从句时，特别是第一个宾语从句特别长的情况下，后面宾语从句前的that不可省略。例如：

I wish(that)we could go sightseeing in Hangzhou this summer and that we could buy some books in Shanghai on our way back.我希望今年夏天到杭州去玩玩，并在返回的路上到上海买点书。2.用于主语从句中，that一般不能省略。例如： That we need more equipment is quite obvious.我们需要更多的设备，这是很明显的。That she is still alive is a consolation.她还活着，这是使人感到宽慰的。（以上两句中的that不能省）

有时主语从句较长，这时往往用it作形式主语，而把that从句移后。例如： It is good you are so considerate.你这么周到是很好的It is certain that they will all eventually turn to socialism.可以肯定他们最后都必将转到社会主义方面来。3.用在表语从句中，一般不可省。例如：

His suggestion is that we(should)turn the land into rice fields.他的建议是我们把这片地开发成稻田。

But the fact remains that we are behind the other group.现实情况仍旧是我们比别的组落后。4.用于同位语从句，that 不可省。例如： We heard the news that our team had won.我们听到了我们队赢了的消息。

The fact that he had not said anything surprised everybody.他什么都没有说，这个事实让我们都感到惊讶。5.用于强调句，that不能省。例如： It was in Beijing that I met her last week.我是上周在北京见到她的。It was on this condition that I went.是在这个条件下我才去的。

二、用于so that, so...that..., such...that..., 引导目的或结果状语从句。例如： We hurried so that we might not be late for the lecture.我们匆匆忙忙是为了听演讲不迟到。I am so tired that I can not go on.我如此疲劳以致于不能再继续了。

三、作关系代词引导定语从句，可以在从句中作主语或宾语，作宾语时可以省略。例如：

The students that had been watching started to applaud.（作主语）一直在一旁观看的学生们鼓起掌来。

He is a man(that)you can safely depend on.(作宾语)他是一个能放心信赖的人。