时间状语从句讲解和练习(答案).pdf

时间状语从句 用句子表达一件事情或一个行为发生的时间，这个句子就叫时间状语从句。时间状语从句根据其所表示的 时间不同，所使用的连词也不同。下面我们一起来看一下几个常见的时间状语从句： 1．when 引导的从句：表示主句的动作和从句的动作同时发生，或从句的动作发生在主句动作之前。 例如： I was going out when a visitor came. ( 动词动作同时发生。 ) 我正要出门，有客人来访。 I shall tell her the good news when she comes. 她来时，我将告诉她这个好消息。 小试牛刀： I found mother cooking for me. I got home.(when)_______________________________________ He was listening to the radio when I home. (get) 2 ．while 引导的从句：表示 “当 …… 过程中 ”，强调某一段时间内主句和从句中谓语动词所表示的动作在同一 时期发生。 由于 while 从句表示一个持续的行为， 所以从句中要用持续性动词， 并且持续性动词常用进行时态。 例如： Keep an eye on my little sister while I am away. 我不在时，请照看一下我的小妹妹。 While we were watching TV, Jim came in. 我们看电视的时候， Jim 进来了。 小试牛刀： It started to rain. We were playing football.(while)_______________________________________ Lucy was cleaning the room Lily was listening to music. 3 ．as 引导的时间状语从句：表示 “当 …… 的时候；一边 …… 一边 …… ；随着 ……”，其从句的主语与主句的主 语往往是同一人或物。 例如： She sang as she worked. 她一边工作一边唱歌。 =She was singing as she was working. I saw him as he was getting off the bus. 正当他下公共汽车时 , 我看见了他。 小试牛刀： we walked, we talked. You will grow wiser you grow older. 4 ．before 引导的从句：一般表示主句的动作发生在从句动作之前。 例如： I didn ’t know any English before I came here. 我到这儿来之前，一点英语都不懂。 例如： I had written my report before my father came back. 小试牛刀： He bought the ticket he went to see the film. 5 ．after 引导的从句：表示主句的动作发生在从句动作之后。 例如： After he locked the door, he left. 他锁上门后，就走了。 After he had finished his work, he played a game of chess with his friend. 他做完工作后，和朋友下了一盘棋。 小试牛刀： I will go out to play basketball with you. I finish my homework.(after) _______________________ _ He left the classroom he had finished his homework the other