表语从句

在句子中充当表语的从句称为表语从句。表语从句位于系动词之后。

1) 由 that 引导的表语从句 (that 有时可以省略)。
* The truth is (that) he was very shy. 事实是他很害羞。
* The trouble is that I have lost his address. 麻烦的是我把他的地址丢了。
* The trouble is that we are short of money.困难是我们资金短缺。

2) 由连接代词引导的表语从句。
* That's not what I said. 这不是我所说的。
* What I want to know is which road we should take. 我想知道的是我们应走哪条路。
* The problem was who could do the work. 问题是谁能做这项工作。

3) 由连接副词引导的表语从句。
* That's where I first met her. 那就是我第一次遇见她的地方。
* Go and get your coat. It's where you left it. 去把雨衣拿来。就在你原来放的地方。

4) 由 because 引导的表语从句。
* That's because you can't appreciate music. 这是因为你不能欣赏音乐。
* That's because we never thought of it. 这是因为我们从未想过此事。

5) 由 whether 引导的表语从句。
* The question is whether the film is worth seeing. 问题是这部电影是否值得看。
* What we want to know is whether he will come to speak to us tomorrow. 我们想知道的是他明天是否来给我们讲话

6) 由 like 引导的表语从句。
* She acts like she owns the place. 她很霸道,就好像那地方都是她的。
* She felt like she was addicted to the Internet. 她觉得她好像有网瘾。

7) 由 as if/as though 引导的表语从句。
* At that time, it seemed as if I couldn't think of the right word anyhow. 当时, 我似乎怎么也想不出一个恰当的字眼来。
* Now it was as though she had known Millie for years. 现在好像她认识米莉已有好多年了似的。
* It looked as if it was going to snow. 看起来好像要下雪了。

8) 由 as/just as 引导的表语从句。
* Things are not always as they seem to be. 事情并不总像表面上看来的那样。
* It may be as you say.　 此事可能像你说的那样。