| 名词性从句 |
that, whether, if, what, who, whom, whose, which, how, when, where 等 |
I wonder if he will come. |
| 定语从句 |
who, whom, whose, which, that, as, when, where, why 等 |
The man who spoke at the meeting is a famous writer. |
| 状语从句 |
when, while, after, before, since, until, as soon as, as long as, once, as, because, since, as if, as though, so that, in order that, though, although, even if, even though, if, unless, only if, whether, provided that, as long as, in case, where, wherever, as far as, as well as, than, as...as, the more...the more 等 |
When I got home, I found the door open. |