(完整)八年級(jí)下冊(cè)狀語從句講解及練習(xí).docx

1、狀語從句用來修主句中的，副和形容的從句叫狀從句。根據(jù)其含狀從句可分狀從句，地點(diǎn)狀從句，條件狀從句，原因狀從句，果狀從句，比狀從句，目的狀從句，步狀從句。1 .狀從句2 1) 狀從句常用 when, as, while, before, after, since, till, until, as soon as 等 來弓I 。.It was raining hard when got to school yesterday.While he was doing his homework, the telephone rang.(2)在狀從句里，通常不用將來，用在表示將來的作或狀。I '

2、11 ring you up as soon as I get to New York.(3)在有till或until引的 狀從句的主從復(fù)合句里，如果主句用肯定式，其含是“一直到 只能用延性。如果主句用否定式，其含是“直到才"”在以前不一”，可用 瞬。.The young man read till the light went out.Let，s wait until the rain stops.2 .條件狀從句(1)條件狀從句通常由if, unless弓I。.What shall we do if it snows tomorrow?Don' t leave the b

3、uilding unless I tell you to.(2)在條件狀從句里，通常用在 表示將來的作或狀。I ' 11 help you with your English if am free tomorrow.He won ' t be late unless he is ill.(3)析“使句+and (or)+述句”在意思上相當(dāng)于一個(gè)有條件狀從句的復(fù)合句。Hurry up, or you ' 11 be late.=If you don' t hurry up, you ' 11 be late.Study hard and you will

4、pass the exam.=If you study hard, you will pass the exam.3 .原因狀從句(1)原因狀從句通常由because, since, as弓I。. He didn ' t come to school because he was ill.As it is raining, we shall not go the zoo.Since you can ' t answer the question, I' 11 ask someone else.(2)because表示直接原因，氣最。Because引的原因狀從句多放在主句

5、之后?；卮鹩蓋hy提出的，只能用 becauseo As和since氣弱，一般用來表示明的原因。由as和since引的原因狀從居多放在句首。.Why aren ' t going there?Because I don ' t want to.As he has no car, he can ' t get there easily.Since we have no money, we can ' t buy it.(3)because和so不能同用在一個(gè)句子里。4 .果狀從句(1)果狀 從句由 so that, such that, so 引 that。.He

6、 is so poor that he can' t buy a bike fbr his son.She is such a good teacher that everybody likes her.My pencil fell under the desk, so that I couldn' t see it.(2)so that such.that 可以互。.在由so.that引的果狀從句中，so是副，與形容 用。其構(gòu)是：“so +形容(副)+ that + 從句 ”。He was so glad that he couldn"t say a word.Th

7、e hall is so big that it can hold 2,000 people.Mother lives so far away that we hardly ever see her.5 .比狀從句比狀從句通常由asas,比 + than等弓I。Tom runs faster than John does. This classroom is as big as that one.6 .目的狀從句(1)目的狀從句通常由so that, in order that引。.We started early so that we could catch the first train.

8、He studies hard so that he could work better in the future.We used the computer in order that we might save time.(2)s。that既可引目的狀從句，又可引 果狀從句。區(qū) 兩種從句的法有兩個(gè)：1)目的狀從句里往往有情can, could, may, might等。2)從意思上看，目的狀從句往往表示的目的很明確。.Speak clearly so that they may understand you.(目的狀 從句 )Jack is badly ill so that he has

9、 to rest. (果狀從句 )7 .步狀從句(1)步狀從句通常由although, though等 引。Though he is young, he knows a lot.Although I am tired, I must go on working.(2)although(though)不能用在同一個(gè)句子中。 .我們不能說:Though it was raining hard, but he still went out.應(yīng)該說： Though it was raining hard, he still went out. 或 It was raining hard, but he

10、 still went out.8 .地點(diǎn)狀語從句地點(diǎn)狀語從句常常由where來引導(dǎo)。Go where you like.Where there is a will, there is a way.一.選擇題1. he ' s old, he can still carry this heavy bag.A. Though B. Since C. For D. So2. -Do you know if heto play basket ball with us?-1 think he will come if hefree tomorrow.A. comes; is B. comes;

11、 will be C. will come; isD. will come; will be3. In the zoo if a child into the water and can' t swim, the dolphins may come uphim.A. will fall; to help B. foils; to help C. will fall; help D. falls; helping4. I don ' t rememberhe worked in that city when he was young.A. what B. which C. whe

12、re D. who5. We will stay at home if my auntto vis it us tomorrow.A. comes B. come C. will come D. is coming6. The police asked the childrencross the streetthe traffic lights turned green.A. not; before B. don ' t; whenC. not to; until D. not; after7. I was late for class yesterdaythere was somet

13、hing wrong with my bike.A. when B. that C. until D. because8. I 11 go swimming with you if Ifree tomorrow.A. will be B. shall be C. am D. was9. In the exam, theyou are, themistakes you will make.A. careful; little B. more careftil; fewestC. more careful; fewer D. more careftil; less10. You should fi

14、nish your lessonsyou go out to paly.A. before B. after C. when D. while11. 1. I hurried I wouldn ate r fort classbe.A. since B. so that C. as if D. unless12. When you read the book, you' d better make a markyou have any questions.A. which B. that C. where D. though13. The teacher raised his voic

15、eall the students could hear him.A. for B. so that C. because D. in order14. He took off his coathe felt hot.A. because B. as C. if D. since15. It isthat we' d like to go out for a walk.A. a lovely day B. too lovely a day C. so lovely a day D. such lovely a day16. Mary hadmuch work to do that she stayed at her office all day.A. such B. so C. too D. very17. I felt very tired, I tried to finish the work.A. Although B. Because C. As D. As if18. the day we