1.在句子中起副詞作用的子句是副詞子句。

2.副詞子句表示時間。

Before it gets dark, I＇ll come back.

天黑以前我會回來。

After it gets dark, the children go back home.

天黑以后孩子們回家。

I was having dinner when the bell rang.

鈴響時我正在吃飯。

3.副詞子句表示地點。

He asked me to stay where I was.

他讓我在原處待著。

4.副詞子句表示原因。

Because I need a listener, you can＇t leave now.

因為我需要一個聽眾，你現在不能離開。

Because it is too late, I must go home.

因為太晚了,我必須回家。

As it was dark, he lit a candle.

由于天黑,他點燃了蠟燭。

5.副詞子句表示目的。

Then I will go out in order that I don＇t disturb you.

那么我將出去為了不打擾你。

I got up early in order that I could catch the train.

我起得早為了趕上火車。

6.副詞子句表示方式。

You sing terriblely as my sister (does).

你歌唱得與我姊姊一樣難聽。

The girl sings sweetly as her sister (does).

這女孩歌唱得與她姊姊一樣好聽。

7.副詞子句可以表示條件。

I won＇t stop sing unless I sing this song well.

除非唱好這首歌，我是不會停下來的。

A car doesn’t run automatically unless you start it.

除非你開動它,汽車是不會自動行駛的。

8.副詞子句表示讓步。

Their tent, though light as a feather, remained firm.

他們的帳篷雖然像羽毛一樣輕,但是很堅固。

9.副詞子句表示結果。

I shut the door so heavily that it fell on my head.

我關門那么重以致它掉到了我的頭上。

He shut the door with such force that the glass broke.

他用那樣大的力量關門,以致把玻璃震碎了。

10.副詞子句可以表示比較、比例。

And you like singing more than she does.

而你比她更喜歡唱歌。

He likes his dog more than his child does.

他比他的孩子更愛他的狗。

11.副詞子句可以修飾整個句子。

Her condition is, what worries me, getting worse.

令我擔憂的是,她的狀況變得更糟了。