为你解答：
before：在......之前
Your name comes before mine on the list. 名单上你的名字在我之前。
We waited a long time before the train arrived. 我们等了很长时间火车才到。
It will be two weeks before everything returns to normal. 两周之后一切才能恢复正常。
after：在......之后
He came back after two days. 他两天后就回来了。
I’ll leave after he comes back. 他回来后我就走。
I was right after all. 毕竟我是对的。
as soon as：一......就......
I'll write you as soon as I get there. 我一到那儿，就给你写信。
Let us start as soon as he comes. 等他一来我们就动身。
He came around to see me as soon as he checked in the hotel.他刚一入住宾馆就来看我.
until：直到，到.....为止......
You mustn’t eat anything until you see the doctor. 看过医生之后，你才能吃东西
I did not watch TV until she came back. 直到她回来我才开始看电视。
I won’t go to bed until I have finished my homework. 我要完成作业才睡觉。
希望可以帮到你。
I will tell you as soon as he comes back他一会还我就会告诉你
Idid not finish my homework untill 3 am 我凌晨3点还没完成作业
He will be back after 2 days他将会在2天后回来
as soon as he comes back, i will tell him about it .
i didn't leave until he came back
after we finished our work, we went home.
楼主，希望对你有帮助。追问
能补充中文吗？谢谢
追答他回来之前，我就离开了。
他一回来，我就告诉他关于此事。
直到他回来，我才离开。
我们完成了工作后，我们回家啦。
We planted all the trees before it rained.
Have you ever been there before?
After I finished my homework, I went to play football.
Where will you go after school?
My father came back from abroad after four months.
I'll visit my grandma as soon as she gets to Beijng.
As soon as she cleaned her room, she went out shopping.
Please write to me as soon as you arrive there.
John didn't go to sleep until 12 o'clock last night.
We won't leave until we see the movie star.
They kept working until it was too late.追问
求中文 谢谢
求中文 谢谢
追答昨天早晨我六点前起床。
下雨前我们种下了所有的树。
你以前去过那里吗？
完成作业后我去踢足球。
放学后你将去哪？
四个月后我父亲从国外回来了。
奶奶一到北京我就去看望她。
一收拾完屋子，她就出去买东西了。
你到那后请尽快给我写信。
约翰昨晚到深夜12点才睡觉。
看见那位电影明星之前我们不会离开。
他们一直工作到很晚。
