英语语法之 状语从句

1、状语从句详解1. 时间状语从句在句中相当于时间状语的从句叫时间状语从句 , 常由 as soon as, when, while, as, after, before, since, ever since, until, every time, each time, next time等引导。 While I played the piano, sister did her homework. 我在谈钢琴 , 姐姐在做功课 . You can t leave until you go through with your work. 不完成这项工作你不能走。 注意 : 1. 用 until 引导

2、时间状语从句时 , 主句应用 可持续性 动词 , 如果主句是非持 续性动词 , 则主句用否定形式 . 如 :I won t go until you come back. 你回来了我再走 .2. 在时间状语从句中 , 常用 一般现在时表示一般将来时 , 用 一般过去时表 示过去将来时 . 如 :Don t forget to bring your camera here when you come. 你来的时候别忘了带相机 . 3. 在由 since 引导的时间状语从句中 , 主句用现在完成时 , 从句用一般过去 时 . 也可用 “ It is + 一段时间 + since (引导一般过去时的

3、从句 ” 句型 . 如 : He has worked in that company since he graduated from Wuhan University. 他毕业 以来就一直在那个公司工作 .2. 地点状语从句在句中相当于地点状语的从句叫地点状语从句 . 引导地点状语从句的常用词有 where, anywhere, somewhere等 .Make marks where you have questions. 在有问题的地方作出标记 .You can go anywhere you like. 你可以到你想去的任何地方 .Where there is a will, ther

4、e is a way. 有志者事竟成 .3. 原因状语从句在句中相当于原因状语的从句叫原因状语从句 . 引导原因状语从句的常用词有 because, as, since, for 等 .Roman was absent from school because he was ill. 罗曼病了 , 没有上学 .As Parker was in a hurry, he left this bag home. 由于派克太匆忙才把包丢家里了 . Since everyone makes mistakes, you shouldn t always criticize him. 既然每个人都 会犯错误

5、, 你不该总是批评他。4. 目的状语从句在句中相当于目的状语的从句叫目的状语从句 . 常用 in order that, so that 引导 , 译为 “ 为了 , 以致 , 以便 ” .Rhonda spoke very slowly in order that we could follow. 朗达讲话很慢 , 以便我们 大家都能跟上 .We ll sit in the front of the hall so that we can hear more clearly. 我们坐在大厅的前 面,以便听得更清 .5. 结果状语从句在句中相当于结果状语的从句叫结果状语从句 . 常用来引导结果

6、状语从句的引导 词或短语有 so that, so that, such that等 , 译为 “ 如此 以致于 ” , “ 结果 ” . Miss Gao is so kind that we all respect her. 高老师很和蔼,我们都很尊敬她 . This was such fine music that it was worth listening to twice. 这音乐太好了 , 值得 听两遍 .6. 条件状语从句在句中相当于条件状语的从句叫条件状语从句 . 常用来引导条件状语从句的连词有 if, unless, as/so long as, once等 .If you

7、 correct all your mistakes, your work is nice. 如果你能把所有的错误改正 , 你 的工作就很出色 .As long as you promise to go, I ll surely go. 只要你答应去 , 我当然去 .Once you begin, you must continue. 你一旦开始,便不可停下来 .You cannot succeed unless you work hard. 如果不努力, 你是不会成功的 . 注意 :由 if 引导的条件状语从句 , 不管主句是用一般将来时还是一般现在时 , 或当 主句是祈使句时 , 从句都用

8、一般现在时 ; 主句是过去将来时 , 从句用一般过去时 . If the weather is fine tomorrow, we ll go hiking. 明天天气好的话 , 我们就去徒步旅 行 .7. 让步状语从句在句中相当于让步 状语 的 从句叫 让 步状语从句 , 常用的引导词有 though, although, even though, even if, whatever, whichever, whoever, whomever, whosever, whenever, wherever, however 等 .Although/ Though Toby works very

9、hard, (yet she makes very slow progress. 尽管 托比很努力 , 但进步还是不大。Even though/ if you say so, I do not believe it. 即使你这么说,我也不信 . Whatever you do, you should do it well. 不管做什么事 , 都要做好 .8. 比较状语从句用来进行比较的状语从句叫比较状语从句 , 常用来引导比较状语从句的连词有 as as, not as/so as, than等 .Carol speaks English as well as you do.卡罗尔英语说得和你

10、一样好 .He does not run so fast as his brother. 他不如他弟弟跑得快 .Burton was more successful than we had expected. 伯顿比我们想象的要成功得多 . 9. 方式状语从句在句中用作方式状语的从句叫方式状语从句 , 常用来引导方式状语从句的连词 主要有 as, as if, as though等 .You should do as I tell you.你应当按我告诉你懂得去做 .It looks as if/ as though it is going to rain. 看来要下雨了 .练习1. If i

11、t sunny tomorrow, I fishing in South Lake.A. is, go B. will be, go C. is, will go D. will be, will go2. I m sorry to hear that Bill failed exam again.-Don t worry about him. I m sure that he will never give up until he.A. succeed B. succeeds C. succeeded3. Lucy, what about going camping if it tomorr

12、ow?-Sounds great!A. didn t rain B. doesn t rain C. won t rain D. hasn t rain4. There is going to a sports meeting next week. If it we ll have to cancel it.A. be, will rain B. have, will rain C. be, rains5. Could you please tell Peter that I want to talk to him?-Sure. I will let him know as soon as h

13、e back.A. comes B. came C. has come D. will come6. You ll do much better you re more careful with your spelling.A. if B. before C. although D. unless7. Peter was tired that he couldn t continue running.A. very B. too C. so8. It was snowing hard, we had to stay at home and watch TV.A. that B. so C. b

14、ut D. because9. Why did you come to school late this morning?I watched the Football World Cup until 12 o clock last night.A. If B. Because C. Since D. though10. My grandma didn t go to sleep I got back home.A. where B. until C. as soon as D. while11. Mary, what about going boating if it-Good idea.A.

15、 not rain B. will rain C. doesn t rain D. won t rain12. Ask your friend to call me back as soon as she back tomorrow.A. will come B. comes C. coming13. Jack, you look tired today. What s wrong?-I was busy I didnA. too, to B. enough, to C. so, that D. such, that14. Tell him about the news when he Yes, I will.A. comes B. will come C. would come D. is coming15. I tried to call you I heard from him, but you were not in.A. since B. while C. until D. as soon as16. It ten years since we last in Beijing.A. was, met B. has been,