高考语法专题：名词性从句

考纲新研读

名词性从句包括宾语从句，主语从句、表语从句和同位语从句。重点考查宾语从句，其次是同位语从句、表语从句和主语从句，通常考查引导这些从句的引导词的选择。

1.由what, whatever引导的名词性从句。例如:

What(=The thing which) you need is more practice.(主语从句)

Whatever(=Anything that) was said here must be kept secret.

(主语从句)

Asia is no longer what it used to be.(表语从句)

This is what we are firmly against.(表语从句)

I'll show you what I have collected.(宾语从句)

We'll give you whatever you want.(宾语从句)

2.由that引导的名词性从句(陈述句)。例如：

That she was chosen made us very happy.(主语从句)

That this has happened is not your fault.(主语从句)

It is well known that China is a developing country.(主语从句)

It is a pity that she has made such a mistake.(主语从句)

Mr. Green's suggestion is that we start the work at once.

(表语从句)

The reason why she was late was that she was caught in the

rain.(表语从句)

The letter says (that) they are leaving on the 13th.(宾语从句)

She told me that she was ill and that her mother wouldn't let

her go.(宾语从句)

3.由who, whoever, which, when, why, how, however等和whether

引导的名词性从句，由特殊疑问句和一般疑问句转变而来，用

陈述语序。例如：

Who will go is not important.(主语从句)

Whoever(=Anyone who) breaks the law will be punished.(主语

从句)

When they will start has not been decided yet.(主语从句)

Whether she will come or not is still a question.(主语从句)

The question is whether it is worth doing.(表语从句)

It looked as if it was going to rain.(表语从句)