狀語從句主要用來修飾主句或主句的謂語。一般可分為九大類，分別表示時間、地點、原因、目的、結果、條件、讓步、管種類較多，但由于狀語從句與漢語結構和用法相似，所以理解和掌握它并不難。狀語從句的關鍵是要掌握引導不同狀語從句的常用連接詞和特殊的連接詞即考點。現分別列舉如下：

1. 時間狀語從句

常用引導詞：when, as, while, as soon as, while, before, after, since , till, until

特殊引導詞：the minute, the moment, the second, every time, the day，the instant, immediately , directly, no sooner … than, hardly … when, scarcely … when

I didn’t realize how special my mother was until I became an adult.

While John was watching TV, his wife was cooking.

The children ran away from the orchard（果園） the moment they saw the guard.

No sooner had I arrived home than it began to rain.

Every time I listen to your advice, I get into trouble.

2. 地點狀語從句

常用引導詞：where

特殊引導詞：wherever, anywhere, everywhere

Generally, air will be heavily polluted where there are factories.

Wherever you go, you should work hard.

3. 原因狀語從句

常用引導詞：because, since, as, since

特殊引導詞：seeing that, now that, in that, considering that, given that, considering that, inasmuch as, insomuch as

My friends dislike me because I’m handsome and successful.

Now that everybody has come, let’s begin our conference.

The higher income tax is harmful in that it may discourage people from trying to earn more.

Considering that he is no more than 12 years old, his height of 1.80 m is quite remarkable.

4. 目的狀語從句

常用引導詞：so that, in order that

特殊引導詞：lest, in case, for fear that，in the hope that, for the purpose that, to the end that

The boss asked the secretary to hurry up with the letters so that he could sign them.

The teacher raised his voice on purpose that the students in the back could hear more clearly.

5. 結果狀語從句

常用引導詞：so … that, so… that, such … that,

特殊引導詞：such that, to the degree that, to the extent that, to such a degree that,

He got up so early that he caught the first bus.

It’s such a good chance that we must not miss it.

To such an degree was he excited that he couldn’t sleep last night.

6. 條件狀語從句

常用引導詞：if, unless,

特殊引導詞：as/so long as, only if, providing/provided that, suppose that, in case that, on condition that

We’ll start our project if the president agrees.

You will certainly succeed so long as you keep on trying.

Provided that there is no opposition, we shall hold the meeting here.