外研版九年级上册英语 时间状语从句整理

初中时间状语从句 表格整理
when 当…① 当主句从句都用短暂性动词时
时候
When she came into my room, I was just reading a book.
她走进我房间时，我正在看书。

② 当主句和从句中有一个延续性动词（-ing）
Someone knocked at the door (when I was sleeping.)
当我正在睡觉时，有人敲门。(延续性动词)
③ 主将从现
I will visit my good friend (when I arrive.)
当我到达时，我将去看望我的好友。
④表示突然发生的事
I was fishing by the river, when someone called for help.
我正在河边钓鱼，就在那时有人求救。

while 当…①当主句和从句中有一个延续性动词（-ing）
时候
They rushed in (while we were discussing problems.)
当我们在讨论问题期间，他们冲了进来。

②当主句和从句中有两个延续性动词（-ing）

Father was cleaning the car while I was playing games.
当我正在玩游戏时，爸爸正在洗车。
③然而（but）
I like listening to music, while my brother likes doing sports.
我喜欢听音乐，而我的兄弟爱好运动。
since 自从 ① have done+ since + 一般过去时
Since he met this good friend, he has made great progress in
his studies.
自从遇见了这个好朋友，他已在学习上取得了巨大的进步
as soon as
一…就
As soon as she came to the classroom, she began to read English.
她一到教室，就开始读英语。
主将从现

I will visit Dr. Li as soon as I arrive.
我一到那儿就会去见李医生
before
在…之前
after
在…之后
until till
直到
I didn’t know any English before I came here.
我到这儿来之前，一点英语都不懂。
After he locked the door, he left.
他锁上门，就走了。
They worked until it was late.
他们一直工作到天黑。
not…until
She didn't go to bed until she (had) finished her homework.
直到…才 她一直到写完作业才睡觉。