<一> 例句

　　Money is what they are after.

　　他们追求的是金钱。

　　<二> 语法分析

　　标语也叫补语，在这个局子里从句充当了表语。此外，有很多成分可以充当表语，如名词、代词、数词、形容词、分词、动名词、不定式、副词、介词短语以及词组等。表语从句主要有三类，即由that引导的表语从句。由连接代词或连接副词引导的表语从句和由关系代词what引导的从句。

　　<三> 触类旁通

　　(1)You're looking a different person.

　　你看起来好像换了一个人。

　　语法分析：名词作表语

　　(2)It's something to be home again without an acciednt.

　　能再次平安回家真是不简单。

　　语法分析：代词作表语

　　(3)She has gone mad.

　　她疯了。

　　语法分析：形容词作表语。

　　(4)All you have to do is press this button.

　　你只要按下这个电钮就行了。

　　语法分析：不定式作表语

　　(5)The trouble was that they couln't agree among themselves.

　　问题是他们内部意见不统一。

　　语法分析：that引导表语从句，that有时可以省略

　　(6)Her first question was whether the teachers had arrived yet.

　　语法分析：她的第一个问题是老师们到了没有。

　　(7)That's what I am here for.

　　这就是我来这里的目的。

　　语法分析：由关系代词型的what引导的从句

　　<四> 巩固练习

　　1. Gordon was [three].

　　2. He looked quite [cheer].

　　3. My hobby is [grow] roes.

　　4. My teacher is both gentle and [encourage] towards me.

　　5. Her show is the air at five o'clock.

　　6. That's the battle took place.

　　7. My father's health is not it used to be.

　　8. That was she spoke Japanese so funnily.

　　答案：1.third 2. cheerful 3. growing 4. encouraging 5. on 6. where 7. what 8. why