引导从句的标志性词组

定语从句（不翻译）

1. that
2. who
3. which
4. when
5. where

状态从句

时间状态从句

1. when
2. while
3. as
4. as soon as
5. until
6. not until
7. since
8. once
9. the + 时间

地点状语从句

1. where

原因状语从句

1. because
2. since
3. as
4. for

目的状语从句

1. so that
2. in order that
3. in case

结果状语从句

1. so ... that
2. such ... that

条件状语从句

1. if
2. unless
3. as long as

让步状语从句

1. although
2. thouth
3. even if
4. even thouth
5. if
6. whether
7. while
8. not that
9. 特殊疑问词 + ever = no matter + 特殊疑问词

名词性从句