2.名词性that-从句

由从属连词that引导的从句被称为名词性that-从句。that只起连接主句和从句的作用，在从句中不担任任何成分，本身也没有词义。名词性that-从句在句中能充当主语、宾语、表语、同位语，但不可以作介词宾语。(有时可以作介词in和except的宾语)

(1)作主语。

That he is still alive is sheer luck．

他还活着全靠运气。

(2)作直接宾语。

John said that he was leaving for London on Wednesday．

约翰说他星期三要到伦敦去。

(3)作间接宾语。

He told me that he was on the phone．

他告诉我他在打电话。

(4)作形容词宾语。

We can at least be hopeful that our efforts to improve the world will be successful．(人教大纲版高二上第44页)

至少我们能够希望我们改善世界的努力会取得成功。

(5)作介词宾语。

I know nothing about him except that he is from the United States．

除了知道他是从美国来的之外，我对他全无了解。

(6)作表语。

The fact is that he has not been seen recently．

事实是近来谁也没有见过他。

(7)作同位语。

The fact that he has not been seen recently upsets everyone in his office．

近来谁也没有见过他，这一情况令办公室所有的人不安。