狀語(yǔ)從句主要分為以下幾種類型：

1.時(shí)間狀語(yǔ)從句：表示動(dòng)作或狀態(tài)發(fā)生的時(shí)間，常用的引導(dǎo)詞有when,while, as,before, after, since, until, as soon as等。

2.地點(diǎn)狀語(yǔ)從句：表示動(dòng)作發(fā)生的地點(diǎn)，通常由where等詞引導(dǎo)。

3.原因狀語(yǔ)從句：表示動(dòng)作發(fā)生的原因或理由，引導(dǎo)詞有because,since,as等。

4.結(jié)果狀語(yǔ)從句：表示動(dòng)作的結(jié)果，通常由so....hat, such...that等詞引導(dǎo)。

5.目的狀語(yǔ)從句：表示動(dòng)作的目的或意圖，引導(dǎo)詞有so that, in order that等。

6.條件狀語(yǔ)從句：表示動(dòng)作發(fā)生的條件或假設(shè)，引導(dǎo)詞有if, unless等。

7.讓步狀語(yǔ)從句：表示盡管有某種情況，但仍然發(fā)生另一種情況，常用的引導(dǎo)詞有though, although, even if等。

8.方式狀語(yǔ)從句：表示動(dòng)作進(jìn)行的方式或狀態(tài)，引導(dǎo)詞有as if, as though等。

9.比較狀語(yǔ)從句：表示與另一事物進(jìn)行比較，引導(dǎo)詞有than, as..as等。

大家用的最多的when：

I had just finished my homework when I heard calls for first aid.我剛剛完成我的作業(yè)，就聽(tīng)到了呼叫急救的聲音。

He was about to get off the bus when he found his wallet missing.當(dāng)他正要下公交車時(shí)，他發(fā)現(xiàn)錢包不見(jiàn)了。

I was about to sleep when I remembered the meeting.我正要睡覺(jué)，突然想起了會(huì)議。

As soon as I entered the house, I knew something was wrong.我一進(jìn)屋，就知道出了什么問(wèn)題。

It was some time before the door opened in response to his pounding.敲了一會(huì)兒門后，門才打開(kāi)。

Tired of the endless complaints ,I walked out of the room before she couldopen her mouth.厭倦了無(wú)盡的抱怨，我在她開(kāi)口之前就離開(kāi)了房間。

方式狀語(yǔ)從句

He jumped back as if he had been stung, and the blood rushed into his wrinkled face.他往后跳了一步，就好像被蜇了一樣，血液涌入他皺紋深處的臉上。

At first, he behaved as if he was afraid of being recognized.起初，他的行為就像他害怕被認(rèn)出來(lái)一樣。

條件狀語(yǔ)從句

As the smoke thickened around them, Tom could see many of their neighbors - some of whom were still running for safety.當(dāng)煙霧在他們周圍變得越來(lái)越濃時(shí)，湯姆可以看到許多鄰居-—有些人仍在逃生。

He realized that a sheep thief can turn into a saint as long as he had the determination.他意識(shí)到，只要有決心，偷羊的人也可以變成為他人著想的有圣心的人。