名詞性從句，從字面意義上看，它在句子中相當(dāng)于名字的作用。名詞性從句是歷年高考的重點(diǎn)和難點(diǎn)也是熱點(diǎn)。它的英文名稱是Noun clause。名詞性從句的功能相當(dāng)于名詞詞組， 它在復(fù)合句中能擔(dān)任主語、賓語、表語、同位語、介詞賓語等。因此，根據(jù)它在句子中不同的語法功能，名詞性從句又可分別稱為主語從句、賓語從句、表語從句和同位語從句。例如：
1. The trouble is that I have lost his address.
麻煩的是我把他的地址丟了。
2. My suggestion is that we should tell him.
我的建議是我們應(yīng)該告訴他。
3. You are not who I thought you were.
你已不是我過去所想像的人。
4. The problem is who we can get to replace her.
問題是我們能找到誰去替換她呢。
5. That’s where I first met her.
那就是我第一次遇見她的地方。
6. It isn’t as if you were going away for ever.
又不是你離開不回來了。
7. Now it was as though she had known Millie for years.
現(xiàn)在好像她認(rèn)識米莉已有好多年了似的。
8. It is not as though we were poor.
又不是我們家里窮。
9. That he is still alive is a wonder.
他還活著，真是奇跡。
10. That we shall be late is certain.
我們要晚了，這是確定無疑的。
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