状语从句 根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。状语从句一般由连词(从属连词)引导，也可以由词组引起。从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。
1.I will go there directly I have finished my breakfast. 吃完早饭，我立即到那里去。
2.The moment I heard the news, I hastened to the spot.我一听到消息，马上赶到了出事地点。
3.As soon as I reach Canada, I will ring you up. 我一到加拿大，就给你来电话。
4.He had no sooner arrived home than he was asked to start on another journey. 他刚到家，就被邀请开始另一旅程。
5.No sooner had the sun shown itself above the horizon than he got out of bed to commence work.太阳刚从地平线上升起，他就起床劳动去了。
6.Hardly had I sat down when he stepped in.我刚坐下，他就进来了。
7.He had hardly fallen asleep when he felt a soft touch on his shoulder.他刚要入睡就感到肩膀上被轻轻一触。
8.By the time you came back, I had finished this book.到你回来时，我已经写完这本书了。
9.By the time you come here tomorrow, I will have finished this work. 你明天来这儿的时候，我将已经完成此工作了。
10.You can go where you like as long as you get back before dark. 你可以随意到哪里去，只要在天黑以前回来就行。
11.I will fight against these conditions as long as there is a breath in my body! 只要我一息尚存，我就要反对这种境况。
12.The other students had finished cleaning by the time I arrived.截止到我到来之前，其他学生已经打扫完卫生了。
13.They had stopped serving meals by the time we got to the restaurant.截止到我们到达餐馆时，他们已经停止买饭了。
14.Where have you been since I last saw you? 自上次我和你见面以后，你到哪里去了？
15.It is four years since my sister lived in Beijing. 我妹妹住在北京有四年了。
16.It is five months since our boss was in Beijing.我们老板在北京有五个月了。
17.It was not until the meeting was over that he began to teach me English.直到散会之后他才开始教我英语。
18.I worked until he came back.我工作到他回来为止。
19.I didn't work until he came back.他回来我这才开始工作。
20.Please wait until I arrived.在我到达之前请等我。
21.It will be four days before they come back. 他们要过四天才能回来。
22.Einstein almost knocked me down before he saw me.爱因斯坦几乎把我撞倒才看到我。
23.My father had left for Canada just before the letter arrived.我父亲恰好在信到之前去加拿大了。
24.They had not been married four months before they were divorced. 他们结婚还不到四个月就离婚了。
25.When she came in, I stopped eating.她进来时，我停止吃饭。
