初中英语语法连词课件.ppt

1、连连 词词 (Conjunction)一、连词定义一、连词定义:用来用来连接连接词、短语或句子词、短语或句子的词。的词。e.g.I study English and Chinese.Does he work at school or in the hospital?I get up early,but my brother gets up late.二、二、连词分类：连词分类：并列连词并列连词从属连词从属连词连词：连词：and,but,or,so,(for)连词连词词组词组:eitheror,neithernor,not onlybut also,bothand,(as well as)th

2、at，whether,if,unless,while/when,until,because,so that,sothat,though/although,even if,asas 等等三、用法三、用法 1.1.并列连词并列连词 -连接具有并列关系的连接具有并列关系的词，短语词，短语或句子或句子。常见的有：常见的有：(1)表表并列并列关系的关系的and,bothand,not onlybut also,neithernor，as well as（也，和）（也，和）等。等。(2)表表选择选择关系的关系的or,eitheror等。等。(3)表表转折转折关系的关系的but,however等。等。(4)

3、表表因果因果关系的关系的for,so等。等。考点一：考点一：1 1）判断改错：判断改错：They sat down and talk about something.They started to dance and sang.I saw two men sitting behind and ate there.FFFeatingsingtalkedand(“和，并且和，并且”)与与 or(“否则否则”)“and”连接连接平行平行结构。结构。（1）肯定句中用）肯定句中用“and”表表“和和”；（2）否定句中用）否定句中用“or”表表“和和”。2 2）翻译：翻译：我喜欢英语我喜欢英语和和数学。数

4、学。我不喜欢英语我不喜欢英语和和数学。数学。I like English _ math.I dont like English _ math.and or=Study hard,_ your math will be worse.3 3）用）用 “andand”或或“or or”填空：填空：Study hard,_ your math will be better.and or “and”意为意为“这样，那么这样，那么”；“or”意为意为“否则否则”。表表转折转折的连词的连词butbut 和和howeverhowever：e.g.(他努力工作，但以失败告终。他努力工作，但以失败告终。)He w

5、orked hard,_ he failed at last.He worked hard._,he failed at last.区别区别:but but 后后没有逗号，直接连接分句；没有逗号，直接连接分句；howeverhowever 后后有逗号相隔，可放句末。有逗号相隔，可放句末。butHowever考点二考点二：观察句子观察句子：（1）Although he is over sixty,but he works as hard as others.改为：改为：Although he is over sixty,he works as hard as others.或或 He is ov

6、er sixty,but he works as hard as others.（2）“Because John was ill,so I took him to the doctor.”*although/though although/though 和和butbut这两个关联词不能同时用。这两个关联词不能同时用。?同样，此句错误，同样，此句错误，because because 和和 soso 等关联词都不能同时使用。等关联词都不能同时使用。考点三考点三：either A or B “或者或者A或者或者B”neither A nor B “既不既不A也不也不B”not only A but

7、also B “不仅不仅A而且而且B”-连词词组连词词组：Either you or I _ going to the party.(或者你或者我将去晚会。或者你或者我将去晚会。)Neither I nor he _ seen the movie.（我和他都没有看过这部电影。）（我和他都没有看过这部电影。）Not only you but also he _ French.（不但你而且他也讲法语。）（不但你而且他也讲法语。）【连接主语连接主语 时，谓语时，谓语“就近原就近原则则”】amhasspeaks考点四考点四 2.2.从属连词从属连词-用来用来引导从句引导从句。常见的。常见的从属连词从属

8、连词有：有：(1)(1)引导引导时间时间状语从句的状语从句的after,before,when,while,as,after,before,when,while,as,until,till,since,as soon asuntil,till,since,as soon as等。等。(2)(2)引导引导条件条件状语从句的状语从句的if,unlessif,unless等。等。(3)(3)引导引导原因原因状语从句的状语从句的because,as,sincebecause,as,since等。等。(4)(4)引导引导目的目的状语从句的状语从句的so that,in order thatso that

9、,in order that等。等。(5)(5)引导引导让步让步状语从句的状语从句的though,although,even ifthough,although,even if等。等。(6)(6)引导引导结果结果状语从句的状语从句的so that,soso that,sothat,suchthat,suchthatthat等。等。(7)(7)引导引导比较比较状语从句的状语从句的than,asthan,asasas等。等。(8)(8)引导引导宾语从句宾语从句的的that,if,whetherthat,if,whether等。等。Mr.White was taking a shower _ the

10、 UFO landed on the street.A.where B.while C.when D.whetherCWhile Mr.White was taking a shower，the UFO landed on the street.考点一考点一“when”和和“while”when引导的状语从句的动作引导的状语从句的动作多为多为终止性动词终止性动词，也为也为可持续动词可持续动词；但；但while只能只能是是可持续动词可持续动词。考点二考点二 我会一直我会一直工作到工作到你回来。你回来。I will work till you come back.notuntil/till 直到直

11、到才才till 直到直到为止为止翻译：翻译：我会我会到到你回来时你回来时才才睡觉。睡觉。I wont go to bed until/till you come back.He took the MP3 player with him _ he could enjoy music during the trip.A.because B.so that C.whenB考点三考点三 他起早是他起早是为了为了赶上早班车。赶上早班车。(表目的表目的)He got up early so that he could catch the early bus.He got up early so that

12、he caught the early bus.他起早，他起早，结果结果赶上了早班车。（表结果）赶上了早班车。（表结果）He got up so early that he caught the early bus.sothatso that：为了；为了；所以，结所以，结果果如此如此以致以致Funny Husband(H)&WifeHusband(H)&Wife(W)(W)about Shopping情境对话情境对话：H：“What are we going to do,my dear？”W:“Go shopping.”H：“We can do nothing _shopping.”W：“In

13、 fact,_ you _ I like shopping.”H:“Why must you do the things _ you dont like?”W:“_ my skirts are out of style,_ I want to buy a new one.”W:（In the clothing shop.）I dont know_ they fit(适合适合)me.”H:“I dont know _ you really like.Just go inside and try them on.”H：（对（对seller笑笑）笑笑）“Can you talk to me for

14、a few minutes？”S：Why?H：Because _ my wife sees(that)I am talking to other ladies,she will be angry at once and leave.S：“Then why do you let her go?”H：“I want to leave _ I wont pay for them.”根据对话内容，根据对话内容，填入适当连词。填入适当连词。except/butneither northatBecause或或 soifwhat/whichif/when/as soon asand/so that一、一、并

15、列连词并列连词1.Mary likes music_Tom is found of sports.A.and B.but C.both A and B2.I failed again,_ I wont give up.A.and B.but C.so3.This is my first lesson,_ I dont know your names.A.and B.but C.soand :表对等表对等 “和、并且和、并且”but:表转折表转折 “但是但是”so:表因果表因果 “所以所以”and,or,but,so 基本用法基本用法4.Which do you like better,appl

16、es,_ pears?A.and B.but C.or5.Now we have no time _ money.A.so B.and C.oror:1.用于用于疑问疑问句句,表表选择选择 2.用于用于否定否定句句,表表并列并列一、一、并列连词并列连词6.Try your best _ youll make more progress.A.and B.but C.or7.Dont lose heart,_ youll lose all.A.and B.so C.orand and 和和 or or 都可以在祈使句中使用都可以在祈使句中使用.and 通常是比较好的结果通常是比较好的结果;or 则

17、表示不愉快或不理想的结果则表示不愉快或不理想的结果.and,or,but,so 基本用法基本用法一、一、并列连词并列连词8.Its getting warmer _ warmer.A.and B.but C.or9.He or the twins _ the USA.A.comes from B.come from C.is from10.Not Tom but I _ going to give the talk.A.am B.is C.areadj.比比+and+adj.比比 表示越来越表示越来越A or B 和和 not A but B 结构作主语时，结构作主语时，谓语动词要使用谓语动词

18、要使用就近原则就近原则。and,or,but,so 特殊用法特殊用法一、一、并列连词并列连词11.Although I have passed the exam,_ I am not pleased with the result.A.and B.but C./and,or,but,so 特殊用法特殊用法although 和和 but 不能同时出现。不能同时出现。一、一、并列连词并列连词12.Both Peter and I _ going to Guangzhou.A.are B.is C.am13.Either apples or rice _ Ok.I am hungry.A.are B

19、.is C./14.Neither I nor my parents _ to tell you the truth.A.wants B.want C.is going to15.Not only I but also Jane _ sure that well win.A.is B.are C.ambothandeitherorneithernornot onlybut also以上结构做主语，除以上结构做主语，除bothbothandand 谓语要用复数谓语要用复数外，其余都使用就近原则。外，其余都使用就近原则。1.Ill tell your father the truth as soo

20、n as he _ here.A.arrives B.arrived C.arrives at2.We dont know if he _ us for the picnic.Ill call you if he _.A.joins;comes B.will join;comes C.will join;will come3.Nobody knows when the windows _.But Ill tell you when I _ the answer.A.broke;find out B.broken;will find out C.were broken;find out二、从属连词二、从属连词从属连词用来引导从句从属连词用来引导从句