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1、一.连词的概念 1.在句子中用来连接词与词、短语与短语或句子与句子的词。2.连词在句子中不能单独作句子成分，只能起连接作用，如：1）I study English and Chinese.2）Does he work at school or in the hospital?3）I get up early,but my brother gets up late.4）I am very busy but happy.（我很忙但我很快乐）第1页/共14页二.连词的分类 1.并列连词连接的单词、短语或句子具有对等关系，就是具有相同的词性、相同的结构和形态。and（和）,but（但是），or（或者）
2、,for（因为）,so（所以）bothand（和都）,eitheror（不是就是）not onlybut also（不仅而且）。如：1）I ate a hamburger,but Im not full yet.2）lets go and play football.3）I cleaned the house and washed clothes this morning.4）Are you going to travel by train or by air?5）Not only Jane but also her parents like cooking.第2页/共14页2.从属连词：用来
3、连接主句和从句。before（之前）,after（之后）,when（当时候）because（因为）if（如果）as soon as（一就）though（尽管）,although（尽管）如：1）She didnt go to school because she was ill.2）I found her bag after she has left.（她走了以后，我发现了她的书包）3）He studied hard though he had a fever.4）I was painting the wall when he called me.（他给我打电话时，我正在刷墙）5）If you
4、get tickets,please let me know.（如果您买到票，请告诉我）第3页/共14页根据连词在句子中表示逻辑关系的不同，也可分为以下四类：1)表示因果关系的：because,for,so（所以）,since（既然）2)表示平行并列、选择关系的：and（和）or（或）eitheror（不是就是）neithernor（既不也不）bothand（和都）not onlybut also（不仅而且）3)表示时间关系的：after,before,when，as soon as4）其它常用连词：表示条件关系的：if 表示让步的：although/though（尽管）第4页/共14页三.常
5、见连词的用法 1.用“and”连接多个对象时，最后两个对象间用“and”连接，前面的其它对象间用逗号。Bob entered the room,took off the coat and sat down in the sofa.2.and 通常用在肯定句中，而 or 通常用在否定句和疑问句中,。1）He likes milk and juice.2）He doesnt like milk or juice.（在否定句中表示并列）3）Which do you like better,apples or pears?（在疑问句中表示选择）3.在同一个句子中，不能同时出现 because 和 so
6、。如：Because John was ill,so I took him to the doctor.应改为：John was ill,so I took him to the doctor.或：I took him to the doctor because John was ill第5页/共14页4.though/although不能和 but 和连用。如：Although he is over sixty,but he works as hard as others.改为：Although he is over sixty,he works as hard as others.或：He
7、 is over sixty,but he works as hard as others.5.“bothand”（和都/两者都）“not onlybut olso”（不仅而且）意思相近，有时可以通用如：Both you and he speaks French.（你和他都讲法语）Not only you but also he speaks French.（不但你而且他也讲法语）6.neither nor 本身已经表示两者都否定，所以句子不再用否定式。Neither she nor I are interested in ice cream.（她和我都不喜欢冰淇淋）第6页/共14页7.eit
8、her A or B（或者A或者B）neither A nor B （既不A也不B）not only A but also B （不仅A而且B）Either you or I am going to the party.(或者你或者我将去晚会)Neither I nor he has seen the movie.（我和他都没有看过这部电影）Not only you but also he speaks French.（不但你而且他也讲法语）【连接主语 时，谓语“就近原则”】8.and 和 or 都可以在祈使句中使用.“and+句子”通常是比较好的结果，意思是“那么就会”“or+句子”则表示不
9、愉快不理想的结果，意思是“否则就会”如：Study hard,and your math will be better.（努力学习，那么你的数学成绩将会很好）Study hard,or your math will be worse.（努力学习，否则你的数学成绩将会很差）第7页/共14页1.请用括号里的连词连接下列句子1）He is rich.He is unhappy.(but).2）He broke his left leg.He couldnt attend the meeting yesterday.(because).3）Bob entered the room.Bob took o
10、ff the coat.Bob sat down in the sofa.(and).4）I am wrong.You are wrong.(neithernor).5）It will be fine tomorrow.Ill visit my English teacher.(if)He is rich but he is unhappyHe couldnt attend the meeting yesterday,Because he broke his left leg.Bob entered the room,took off the coat and sat down in the
11、sofa.Neither you nor I am right.Ill visit my English teacher if it is fine tomorrow.第8页/共14页6）I like white boots.My sister white boots.(bothand).7）I wont buy a kite.I wont buy a balloon.(or).Both my sister and I like white boots.I wont buy a kite or a balloon.2.选择填空1）We made a pizza this morning._ w
12、e didnt eat it.A.and B.so C.but D.or2）I was tired very much,_ I went to bed early last night.A.because B.so C.but D.or3）Does Rose go to school by bike _ by bus?A.and B.or C.but D.norCBB第9页/共14页4）He will go to Paris _ his aunt lives there.A.and B.so C.but.D.because5）Ill call you _ I arrive at the air
13、port.A.and B.but C.as soon as D.if6）Jerry I are interested in the movie.Could you give me one more ticket?A.Both,and B.Either,or C.Neither,nor D./,or7）_ its raining,the match continues.A.For B.When C.Although D.Because8）Turn off the lights _ you go out.A.if B.though C.after D.beforeDCACD第10页/共14页9）M
14、ary likes music _ Tom is found of sports.A.and B.but C.both A and B10）This is my first lesson,_ I dont know your names.A.and B.but C.so11）Which do you like better,apples _ pears?A.and B.but C.or12）Now we have no time _ money.A.so B.and C.or13）Its getting warmer _ warmer.A.and B.but C.orCCCCA第11页/共14
15、页3.找出下列句中的错误，并予以订正。1）Because he was hungry,so he ate two bowls of rice.2）Which do you like better,singing and dancing?.3）Alice is not slim but also beautiful.4）Both Mom and also Dad are angry with my brother.5）Though she is little,but she often helps others.He was hungry,so he ate two bowls of rice.Because he was hungry,he ate two bowls of rice.Which do you like better,singing or dancing?.Alice is not only slim but also beautiful.Both Mom and Dad are angry with my brother.Though she is little,she often helps others.第12页/共14页Thank you!Goodbye!第13页/共14页感谢您的观看！第14页/共14页