状语从句有：时间状语从句， 地点状语从句， 条件状语从句， 结果状语从句， 目的状语从句，比较状语从句， 方式状语从句，原因状语从句， 让步状语从句等
1.时间状语从句
引导时间状语从句的连词常见的有：
when,before,after,till,until,as soon as……
What are you going to be when you grow up?
……
2.地点状语从句
引导地点状语从句的连词常见的有：where,wherever……
Where there is a will,there is a way.
……
3. 条件状语从句
引导条件从句的连词常见的有：
if,as long as……
I will go to the park if it is fine tomotrow.
……
4.结果状语从句
引导结构状语从句的连词常见的有：so……that, such……that
He is so young that he can't go to school.
……
5.目的状语从句
引导目的状语从句的连词常见的有：so that,in order that……
He got up so early that he could catch the first bus.
……
6.方式状语从句
引导方式状语从句的连词常见的有：as,as if,as though
She looks as if she is very happy.
……
7.比较状语从句
引导比较状语从句的连词常见的有：than
The earth is bigger than the moon.
8.原因状语从句
引导原因状语从句的连词常见的有：because,since,as,now that ……
Mary didn't go to school yesterday because she was ill.
……
9.让步状语从句
引导让步状语从句的连词常见的有：though,although,even if, even though,as,no matter+疑问词，疑问词+ever……
Though he is young,he knows a lot.
……
