名詞從句


1.在句子中充當(dāng)名詞用的子句是名詞子句。

2.名詞子句可在句中作主語(yǔ),也可用it作形式主語(yǔ),而把作真正主語(yǔ)的名詞子句放到句子的后面。

It is great that I have a friend like you.

我有你這樣一個(gè)朋友，真是太棒了。

That he is the best student in the class is obvious.

他是班上最好的學(xué)生,這是顯而易見的。

It is good that she studies hard.

她努力學(xué)習(xí),這很好。

3.名詞子句可在句中充當(dāng)及物動(dòng)詞的賓語(yǔ),常跟在know, say, ask, tell等動(dòng)詞后。

Now I want to know what I can do.

現(xiàn)在我想知道我能做什么。

I don't know whether he has arrived.

我不知道他是否已經(jīng)到了。

4.名詞子句可在句中充當(dāng)介系詞的賓語(yǔ)。

I ?m thinking about what I should do.

我正在思考我應(yīng)該做什么。

He began to think about what he would do.

他開始思考他要做什么。

5.名詞子句可充當(dāng)補(bǔ)語(yǔ)。

The problem is that he is too young.

問(wèn)題是他太年輕。

6.名詞子句可以作同位語(yǔ)。

I＇ll face the fact that my girlfriend will come this afternoon.

我將要面對(duì)我女友今天下午要來(lái)的事實(shí)。

名詞片語(yǔ)that my girlfriend will come this afternoon作主語(yǔ)的同位語(yǔ)。

The fact that she is ill should be considered.

應(yīng)該考慮她生病這一事實(shí)。

名詞片語(yǔ)that she is ill作主語(yǔ)的同位語(yǔ)。

I don't know the news that he has been elected chairman.

我不知道他已當(dāng)選主席的消息。

名詞片語(yǔ)that he has been elected chairman作賓語(yǔ)同位語(yǔ)。

7.名詞子句中語(yǔ)序不可倒置。

I don't know what did he say.(誤)

I don't know what he said.(正)

我不知他說(shuō)了些什么。

8名詞子句表現(xiàn)禮貌。

What time is it?
現(xiàn)在幾點(diǎn)了？

Could you tell me what time it is?

請(qǐng)告訴我現(xiàn)在幾點(diǎn)鐘了。