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1、初中英语语法连词讲解及练习（一）连词概述连词是连接单词、短语或句子的一种虚词。在句中不单独作句子成分。历年中考中常考并列连词and，but，neither nor；从属连词now that，though，when。所以了解状语从句和宾语从句的真正意义有助于正确使用从属连词。（二）基础知识梳理1并列连词用来连接彼此并列的词、短语或句子。并列连词有and，or，but，so，for，nor等。2关联连词有bothand，either or，neithernor，not onlybut also，as well as，as much as等。3连接性副词有however，therefore，besi
2、des，yet，anyway，still，all the same等。4并列连词和连接性副词存在以下的区别：1)连接两个独立的分句时，并列连词的位置只能放在它所引导的分句的句首，前面通常有逗号。如：I must work hard, for I still have a long way to go.They all went, but I didnt go.2)连接性副词的位置比较灵活，句中、句首、句末都可以。但是放在句首较为普遍。如：Mother was ill, therefore, she stayed at home yesterday.= Mother was ill, she t
3、herefore, stayed at home yesterday.= Mother was ill, she stayed at home yesterday, therefore.3)两个并列连词不可以连用。如：He tried hardand but he failed to get the job.此句中的but应改为yet。因为and和but都是连词。5从属连词是用来引导从句，如宾语从句、状语从句、定语从句等。从属连词有that， if, unless, whether, who, whose, what, which, where, than, when, while, as,
4、since, though, although, because, before, after, until, as soon as, now that, so.that, so that, as. as,(not) as/soas 如：If it snows tomorrow，we wont go on a picnic.（If引导条件状语从句）Could you tell me whose PC it is? （whose引导宾语从句）The man who is talking to my class teacher is my father.（who引导定语从句）同步练习I.选择填空(
5、 )1. LiMeng passed his mother his cup _ asked for some more tea. A. but B. or C. and D. if( )2. Study harder, _ you will fall behind others. A. and B. or C. but D. so( )3. The doctors are very tired, _ they are still working very hard. A. but B. if C. only D. when( )4. _ you come back, please let me
6、 know. A. Later B. Until C. As D. As soon as( )5. He told us _ he was over eighty years old. A. where B. then C. if D. that( )6. Dont go home _ you have cleaned the classroom. A. by B. then C. only D. until( )7. _ Sunday _Monday is OK. Ill be free during those two days. A. Neithernor B. Eitheror C.
7、Bothand D. Either and( )8. We havent seen him _ he left last year. A. since B. when C. as D. if( )9. Its raining now, _ you must take the raincoat with you. A. for B. so C. or D. because( )10._you work harder, youll do better in your subjects.A. If B. Before C. Already D. Whether( )11._I was ill yes
8、terday, I didnt come to school.A. For B. As C. Because D. Since( )12.The old man was _ pleased _he could not say a word.A. eitheror B. neithernor C. not onlybut also D. sothat( )13.Which is bigger, the sun _the earth?A. but B. or C. and D. nor ( )14. Could you tell us _you grow apples in your countr
9、y? A. that B. whether C. which D. what( )15.He knew nothing about the accident _ his friend told him.A. if B. since C. until D. because( )16.Please answer the question in a loud voice _all the class can hear you.A. so that B. sothat C. though D. because ( )17.In the old days the poor children couldn
10、t go to school. They could _read _ write when they grew up.A. bothand B. eitheror C. not onlybut also D. neithernor( )18._ Australia is very large, the population is quite small. A. But B. Or C. If D. Though( )19.Come here early tomorrow, _youll see her.A. or B. and C. but D. because( )20.Neither sh
11、e _ I am a teacher. We are both students.A. or B. and C. nor D. but( )21.He kept quiet _she began to speak.A. when B. if C. whether D. or( )22._ I am washing, she is cooking. A. While B. After C. Before D. As soon as( )23.She had to do everything _ her husband died.A. before B. after C. when D. whil
12、e( )24.She had studied Russian for three years _ she began to learn English.A. before B. if C. after D. because( )25.She has had another baby _ we met.A. when B. after C. before D. since( )26.I knew nothing about it _ he told me.A. if B. after C. until D. because( )27.Ill ring you up, _ I get an answer from him.A. as soon as B. until C. before D. because( )28.We couldnt go quickly _ the road was too slippery.（滑）A. because B. as soon as C. if D. until( )29._ it is fine tomorr
