Unit 6 语法篇____________________________________________________________________________________________________________________________________________________________________学生通过本讲学习，能够掌握本单元的重点语法，并在综合能力上有一定的拓展状语从句1. 定义：用来修饰主句中的动词、副词和形容词的从句叫状语从句2. 分类：时间、地点、条件、原因、结果、比较、目的、让步状语从句1. 时间状语从句1. 连词：when, as, while, before, after, since,till, until, as soon as2. 在时间状语从句里，通常不用将来时态，用现在时态表示将来的动作或状态3. 在带有till或until引导的时间状语从句的主从复合句里，如果主句用肯定式，其含义是“一直到……时”，谓语动词只能用延续性动词如果主句用否定式，其含义是“直到……才……”, “在……以前不……”, 谓语动词可用瞬间动词。
2. 条件状语从句1. 条件状语从句一般用if，unless引导2. 在条件状语从句里，谓语动词通常用一般现在时表示将来（即主将从现）3. 原因状语从句1. 原因状语从句通常由because，since， as引导2. Because和so不能出现在一个句子里4. 结果状语从句1. 结果状语从句由so…that, such…that, so that引导2. So+adj+that, such+n+that5. 目的状语从句1. 目的状语从句通常由so that, in order that引导2. So that既可以引导结果状语从句，也可以引导目的状语从句区别在于目的状语从句里往往带有情态动词can, could, may, might等从意思上看，目的状语从句往往表示的目的很明确6. 让步状语从句1. 让步状语从句通常由although，though引导2. Although和but不能出现在同一个句子里7. 地点状语从句地点状语从句由where引导1. You will fail the exam again (unless/as soon as/so...that) you work harder than before. 2. I will tell him the news (unless/as soon as/so...that) he comes back. 3. The flowers are beautiful (unless/as soon as/so...that) I couldn't help picking them. 4. I called her (unless/as soon as/so...that) I got the tickets to the football match yesterday. 5. The sports meeting will continue (unless/as soon as/so...that) it rains this afternoon.特色解析：1. 本题题意为除非你比以前更努力学习，否则你考试会不合格的，故选unless。
2. 本题题意为他一回来我就告诉他这个消息，故选as soon as3. 本题题意为这些话是如此漂亮以至于我都忍不住去摘一朵，故选sothat4. 本题题意为我一得到球票就和她打了，故为as soon as5. 本题题意为如果它不下雨的话，运动会就会继续，unless=ifnot， 故选unless基础演练一、单项选择 1. I called the police I saw the car accident. A. even thoughB. as soon asC. so thatD. ever since 2. --- Li Lin, is it OK for you to go to your grandpa's house alone?--- No problem. I you as soon as I there. A. call; getB. call; will get C. will call; getD. will call; will get 3. The ice cream is delicious I want to eat a second one. A. too; toB. too; thatC. so; thatD. very; that 4. The teacher speaks very loudly all the students can hear her. A. so thatB. becauseC. sinceD. when 5. Your dream will come true you put your heart and soul into it. A. ifB. unlessC. althoughD. until 6. Father won't allow me to play outside I wash up the dishes. A. if notB. ifC. unlessD. because 7. Some people won't realize the importance of their health they have lost it. A. afterB. whenC. untilD. as 8. John fell asleep he was listening to the CD. A. afterB. beforeC. whileD. as soon as 9. --- The young man looks so sleepy.--- That is he stayed up until 11:50 p.m. A. whichB. whatC. becauseD. why10. The little girl was excited about her birthday party she couldn't sleep last night. A. too; toB. so; thatC. enough; toD. quite; that巩固提高二、翻译(根据中文提示完成句子) 或按要求转换句型11. 除非你诚实友好，否则你是无法交朋友的。
You make friends honest and kind.12. 雨一停我们就回家We go home the rain stops.13. 他们睡觉很早，以便好好休息They went to bed early they could have a good rest.14. 他太紧张了, 以至于一个字都没说出来He felt nervous he didn't say a word.15. 虽然他很忙,但是他仍然给了我们许多的帮助 he was very busy, helped us a lot.16. Mr. Turner is too tired to walk any further. (改为同义句)Mr. Turner is tired he can't walk any further.17. If you can't study hard, you won't pass the exam. (改为同义句)You won't pass the exam you study hard.18. The minute he arrived at the airport, he called me. (改为同义句) he arrived at the airport, he called me.19. We didn't go to the park yesterday because it rained heavily. (改为同义句)We didn't go to the park yesterday the heavy rain.20. The man was so brave that he jumped into the river to save the drowning child. (改为同义句)The man was jump into the river to save the drowning child.答案一、单项选择 1. B 2. C 3. C 4. A 5. A 6. C 7. C 8. C 9. C 10. B 二、翻译(根据中文提示完成句子)11. can't, unless you are12. will; as soon as13. so that14. so, that15. Although; he still16. so, that17. unless18. As soon as19. because of20. brave enough to一、选词填空(单句选词填空) 。