表语从句3类:that引导(口语中可省略),what引导,连接副词(代词)引导

表语从句关系代词连接副词连接代词评论

一般作表语的从句有三类：

1．由that引起的表语从句：
The trouble is that we are short of funds．
困难是我们缺乏资金。
One explanation is that he wanted to be different from others．
一个解释是他想与众不同。
Your greatest fault is that you are so careless．
你的最大缺点是你太心。

在口语中that有时可省略：
The fact was，she didn't want to come to the workshop at a11．
事实是她根本不想到车间来。
The reason was （that） he was afraid．
原因是他害怕。

2．由关系代词型what引起的表语从句：
That's what we should do．
这是我们的本分。
Asia is no longer what it used to be．
亚洲现在已不是过去的样子了。
It's two dollars．That's what it usually is．
价钱是两美金，这是通常的价钱。
That's what I heard．
这是我听到的情况。

3．由连接()词引导的表语从句：
That's not where it belongs．
这不是它应放的地方。
That's how they escaped．
他们就是这样逃出的。
The question is what we should do next．
问题是下一步该怎么办。
That's why I want you to work there．
这就是我要你在那里工作的原因。
That was when I was thirteen．
这是我十三岁时发的事。
So that's who he's working for．
所以说他就是为这种人工作的。

有时表语从句可由whether引起：
His first question was whether the boss had arrived yet．
他第一个问题是福尔老板到了没有。