初中英语语法之连词PPT文档格式.ppt

1、等。（2）表表选择选择关系的关系的or,eitheror等。（3）表表转折转折关系的关系的but,however等。（4）表表因果因果关系的关系的for,so等。考点一：1 1）判断改错：判断改错：They sat down They sat down andand talk about something.talk about something.They started to dance They started to dance and and sang.sang.I saw two men sitting behind I saw two men sitting behind and

2、and ate there.ate there.FFFeatingsingtalkedand（“和，并且和，并且”）与与 or（“否则否则”）“and”“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。数学。我不喜欢英语我不喜欢英语和和数学。I I likelike English _ math.English _ math.I I dontdont like English _ math.like English _ math.andand oror=S

3、tudy hard,=Study hard,_ _ your math will be your math will be worseworse.3 3）用）用 “andand”或或“or or”填空：填空：Study hard,Study hard,_ _ your math will be your math will be betterbetter.andand or or “and”意为意为“这样，那么这样，那么”；“or”意为意为“否则否则”。1.Which do you like better,apples,_ pears?A.and B.but C.or2.Now we have

4、 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（肯定句用（肯定句用andand）3.Christine,Aileen _（和和）I are good friends.Study hard,_（否则否则）youll fall behind.4.Are you coming by bus _（或者或者）on foot?andandorororor1.Its getting warmer _ warmer.A.and B.but C.or2.He or the twins _ the USA.A.c

5、omes from B.come from C.is from4.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 结构作主语结构作主语时，谓语动词要使用时，谓语动词要使用就近原则就近原则。and,or,but,so 特殊用法特殊用法 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 worked hard,_ he failed at last.

6、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 Although he is over sixty,he works as hard he is over sixty,he works as hard as others

7、.as others.或或 He is over sixty,He is over sixty,butbut he works as hard as he works as hard as others.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：

8、either A or B either A or B “或者或者A A或者或者B”B”neither A nor B neither A nor B “既不既不A A也不也不B”B”not only A but also B not only A but also B “不仅不仅A A而且而且B”B”-连词词组连词词组：EitherEither you you oror I _ going to the party.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 Neither I I nor nor he _ seen the

9、movie.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 onlyNot only you you but alsobut also he _ French.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“就近原则就近原则”】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,bef

10、ore,when,while,as,until,till,since,as soon asuntil,till,since,as soon as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。（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。（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,in order that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,al

11、though,even if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。（7）（7）引导引导比较比较状语从句的状语从句的than,asthan,asasas等。（8）（8）引导引导宾语从句宾语从句的的that,if,whetherthat,if,whether等。三者均可译为三者均可译为三者均可译为三者均可译为“在在在在时候时候时候时候”。whenwhen引导的从句，动词既可以是引导的从句，动词既可以是引导的从句，动词既可以是引导的从句，动词既可以是延续性延续性延续性延续性的，也可以是的，也

12、可以是的，也可以是的，也可以是终止终止终止终止性性性性的。一般来说，当主句的动作正在进行时，的。一般来说，当主句的动作正在进行时，whenwhen引导的引导的引导的引导的从句的动作才发生；从句的动作才发生；whilewhile引导的从句中，动词只能是引导的从句中，动词只能是引导的从句中，动词只能是引导的从句中，动词只能是延续性延续性延续性延续性的，一般来说，当的，一般来说，当的，一般来说，当的，一般来说，当whilewhile引导的从句的动作正在进行时，主句的动作才发生；引导的从句的动作正在进行时，主句的动作才发生；若主从句动作同时发生，且强调若主从句动作同时发生，且强调若主从句动作同时发生，

13、且强调若主从句动作同时发生，且强调“一边一边一边一边一边一边一边一边”这样的意思，这样的意思，这样的意思，这样的意思，一般用一般用一般用一般用 asas。When I came into the room,I found him lying there When I came into the room,I found him lying there asleep.asleep.She sang as she walked.She sang as she walked.她一边走一边唱歌。她一边走一边唱歌。注意：while while 可以表示对比关系可以表示对比关系可以表示对比关系可以表示对比

14、关系“然而然而然而然而”。He is short while his brother is tall.He is short while his brother is tall.when，while，as连连 词词 用用 法法 比比 较较 Mr.White was taking a shower _ the UFO landed on the street.A.where B.while C.when D.whetherCWhileWhile Mr.White Mr.White was takingwas taking a shower a shower，the the UFO landUFO landeded on the street.on the street.考点一考点一“when”“when”和和 “while”while”whenwhen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whilewhile只能只能是是可持续动词可持续动词。考点二考点二 我父