2023年牛津译林版中考英语复习状语从句：时间状语从句&条件状语从句

状语从句：时间状语从句&条件状语从句 1． 定义： 状语从句：指在句子中做状语的从句。 2． 作用：常用来修饰主句的谓语动词或整个主句。 例：When we got there，the train had left. （当我们到达时，火车已经开走了，when we got there 修饰谓语动词“开走”） 3． 分类 1.时间状语从句： (1)当主句是一般将来时态或祈使句,表示将来的意义时,从句通常用一般现在时,简称“主将从现”。 I’ll ring you up as soon as I get to Beijing.我一到北京就给你打电话。 (2) when引导的时间状语从句,通常表示主句和从句的动作同时发生; before表示主句的动作发生在从句的动作之前; after则表示主句的动作发生在从句的动作之后; as引导时间状语从句时,往往表示主句和从句的动作同时发生,不分先后。 (3)until/till引导的时间状语从句。 ①主句的谓语动词是延续性动词时,主句用肯定形式,表示这一动作或状态一直延续到until/till所表示的时间为止。 I’ll wait for you till you come to see me.我会一直等到你来看我。 ②主句的谓语动词是非延续性动词时,用否定形式表示主句的动作直到until所表示的时间才发生。构成句式notuntil,有时不用not,而用其他如never,nothing等表否定意义的词。 I didn’t go to bed until I finished my homework.我直到完成作业才去睡觉。 (4)since引导的时间状语从句,表示“自从……以来”,主句用一般现在时或现在完成时,从句用一般过去时。 I have worked in this school since I graduated from Beijing University.从北京大学毕业以后,我就一直在这所学校工作。 It is 10 years since I began to study English.我学英语十年了。 练习： 在下列各句的空格中填入适当的连词  1. ____________ he comes tomorrow, I shall ask where he has been.  2. ____________ he was speaking, everybody listened carefully.  3. I saw her just ____________ she was getting off the train.  4. Have a good look at that man ____________ you pass him.  5. It was already eight o’clock ____________ we got there.  6. I was about to go out ____________ a visitor came.   7. We’ll go to the country at the beginning of June, ____________ the summer harvest will start. 8. He learned to speak German ____________ he was in Berlin. 9. Henry is in charge of the office ____________ Mr. Smith is away.  10. I listen to the recorder ____________ I have time.   11. He had learned Chinese ____________ he came to China.   12. ____________ the work was done, we sat down to sum up experience.  13. I haven’t seen him ____________ he moved to the other side of the town.  14. I waited ____________ he came back.   15. It was not ____________ he took off his eyeglasses that I recognized him.  16. She likes everything to be in place ____________ she starts to work.  17. The thieves ran away _