高中状语从句讲解(共3页).doc

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1、精选优质文档-倾情为你奉上 状语从句状语修饰动词、形容词、副词或整个句子。通常由副词、介词短语、动词不定式、分词和从句等担当。例如：1. Naturally, our grandparents were pleased to get our phone call . (副词) 2. We worked hard, from sunrise to sunset . (介词状短语)3. To help my disabled aunt, I spend an hour working in her house every day . (不定式)4. Seen from a distance, th

2、e farmhouse looked deserted . (过去分词)5. I know how to light a camp fire because I had done it before .（原因状语从句）状语从句主要用来修饰主句或主句的谓语。一般可分为九大类，分别表示时间、地点、原因、目的、结果、条件、让步、比较和方式。尽管种类较多，但由于状语从句与汉语结构和用法相似，所以理解和掌握它并不难。状语从句的关键是要掌握引导不同状语从句的常用连接词和特殊的连接词即考点。现分别列举如下:1 时间状语从句常用引导词：when, as, while, as soon as, before,

3、after, since , till, until(主将从现)重要！When的三种重要句型：特殊引导词：the minute, the moment, the second, the instant, immediately, no sooner than, hardly when, scarcely when ,（时态要求？和什么时候倒装？）every time(改错题中常出现) I didnt realize how special my mother was until I became an adult.（notuntil）While John was watching TV, hi

4、s wife was cooking.No sooner had I arrived home than it began to rain. The children ran away from the orchard(果园) the moment they saw the guard.Every time I listen to your advice, I get into trouble.2 地点状语从句常用引导词：where特殊引导词：wherever, anywhere, everywhereGenerally, air will be heavily polluted where

5、there are factories.Wherever you go, you should work hard.3 原因状语从句常用引导词：because, as, since （辨析：because，since， as引导原因状语从句。because语气最强，表示直接的原因，是说话人认为对方不知道的原因，它引导的从句通常位于主句之后；在回答why时，只能用because。since和as是对大家已知的事实提供理由或背景。）特殊引导词：seeing that, now that既然, in that, given that, considering that, My friends dis

6、like me because Im handsome and successful. Now that everybody has come, lets begin our conference.4 目的状语从句常用引导词：so that, in order that特殊引导词：lest, in case以防, for fear that，in the hope that, for the purpose that, to the end thatThe boss asked the secretary to hurry up with the letters so that he coul

7、d sign them.The teacher raised his voice on purpose that the students in the back could hear moreclearly.5 结果状语从句常用引导词：so that, such that,特殊引导词：to the extent that, 达到程度to such a degree that,He got up so early that he caught the first bus.Its such a good chance that we must not miss it.什么时候要倒装？6 条件状语

8、从句常用引导词：if, as/so long as, unless, 特殊引导词： only if, providing/provided that, in case that, on condition that Well start our project if the president agrees.You will certainly succeed so long as you keep on trying.Provided that there is no opposition, we shall hold the meeting here.7 让步状语从句常用引导词：thoug

9、h, although, even if, even though特殊引导词： as(用在让步状语从句中必须要倒装)，while ( 一般用在句首 ) in spite of the fact that, ，no matter ，whatever, whoever, wherever, whenever, however, whicheverMuch as I respect him, I cant agree to his proposal. 尽管我很尊敬他， 我却不同意他的建议。The old man always enjoys swimming even though the weath

10、er is rough.No matter how hard he tried, she could not change her mind.He wont listen whatever you may say.8 比较状语从句常用引导词：as(同级比较), than(不同程度的比较)特殊引导词：the +比较级 the+比较级 ; A is to B what /as X is to Y; She is as bad-tempered as her mother.（as+原级+as）The more you exercise, the healthier you will be.Food

11、is to men what /as oil is to machine. 食物之于人，犹如油之于机器。9 方式状语从句常用引导词：as, as if, how特殊引导词：the wayWhen in Rome, do as the Roman do.She behaved as if she were the boss.Sometimes we teach our children the way our parents have taught us.10. 状语从句的简化/省略状语从句中的主语和be动词常可省略要同时具备下列两个条件:主句和从句的主语一致，或从句主语为it；从句主要动词是b

12、e的某种形式。例如：When (the museum is ) completed , the museum will be open to the public next year .Hell go to the seaside for his holiday if (it is) possible. 练习题 1.Ill let you know _ he comes back.A. before B. because C. as soon as D. although2. She will sing a song _ she is asked.A. if B. unless C. for

13、D. since3. We will work _ we are needed.A. whenever B. because C. since D. wherever4. Read it aloud _ the class can hear you.A. so that B. if C. when D. although5._ you go, dont forget your people.A. Whenever B. However C. Wherever D. Whichever6. It is about ten years _ I met you last. 重要！（提醒我补充时态句型

14、）A. since B. for C. when D. as7. They will never succeed, _ hard they try.A. because B. however C. when D. since8. _ still half drunk, he made his way home.A. When B. Because C. Though D. As9. _ she was very tired, she went on working.A. As B. Although C. Even D. In spite of重要！10. Busy _ he was, he

15、tried his best to help you.A. as B. when C. since D. for11. I learned a little Russian _ I was at middle school.A. though B. although C. as if D. when12. _ we got to the station, the train had left already.A. If B. Unless C. Since D. When13. _ the rain stops, we 11 set off for the station.A. Before

16、B. Unless C. As soon as D. Though14. She was _ tired _ she could not move an inch.A. so, that B. such, that C. very, that D. so, as15. We didnt go home _ we finished the work.A. since B. until C. because D. though16. Ill stay here _ everyone else comes back.A. even if B. as though C. because D. until专心-专注-专业