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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,英语连词复习资料(PPT),英语连词复习资料(PPT)英语连词复习资料(PPT)概念连词是一种虚词,它不能独立地担任句子成分,只是连接词与词、短语与短语以及句子与句子的作用。,英语中连词只要分两类:并列与从属连词。,并列连词:用来连接平行的词、短语或分句。,从属连词:用来引导一个从句。,概念,连词是一种,虚词,它不能独立地担任句子成分,只是连接词与词、短语与短语以及句子与句子的作用。,英语中连词只要分,两类,:并列与从属连词。,并列连词:用来连接平行的词、短语或分句。,从属连词:用来引导一个从句,。,连词,是用来连接词、词组和句子的虚词。分为,并列连词,和,从属连词,。,并列连词,连接两个分句,构成,并列句,。,用,从属连词,引起两个分句,构成,复合句,。,并列连词:,a.,并列关系:,and,,,as well as, eitheror,not onlybut also,,,bothand,neithernor.,b.,转折关系:,but,,,yet,,,or.,c.,因果关系,:,for,,,so.,d.,选择关系:,or,,,eitheror.,并列连词连接两个分句,构成并列句。,1. and,Now stop blowing,and,soon you will find the glass clear again.,Ten minutes earlier,and,we could have caught the last bus.,and,在此表示,条件,,等于,if you stop blowing now, you .,If we came here ten minutes earlier, we,2. not onlybut also/ as well as,Not only,the mother,but also,the children,are,sick.,The mother,as well as,the children,is,sick.,不但,妈妈,而且,孩子,也病了。,不但,孩子们,而且,妈妈,也病了。,连接,主语,时, 强调的方面不同,谓语动词在,人称、数,上也要调整,。,or,The elephant,isnt,like a wall,or,a spear,or,a,snake,or,a tree, neither is he like a fan.,在否定句中,并列,成分的列举通常用,or,来连接,不用,and,。,从属连词:用来连接各种从句。,主语从句、表语从句、宾语从句,连接词有:,that, if, whether, as,连接代词:,who,,,whom,,,whose,,,what,which, whatever, whoever, whichever,连接副词:,when,,,where,,,why,,,how,,,wherever, whenever,从属连词:用来连接各种从句。,2.,状语从句,引导,时间,状语从句连词有:,as, when, while, till, notuntil, until, before, since, as soon as, hardly/scarcelywhen, no sooner.than,once, the moment, the minute that, by the time,引导,让步,状语从句连词有:,although, though, even if, even though,no matter+who(what, when, how, where),或,whoever,whatever, wherever, however,等,as, though(,要用倒装,),从属连词:用来连接各种从句。,2.,状语从句,引导,原因,状语从句连词有:,because,as for,since,now that,引导,地点,状语从句连词有:,where, wherever,引导,目的,状语从句连词有:,so that, in order that,引导,结果,状语从句连词有:,sothat, suchthat,引导,方式,状语从句连词有:,as, as if (though),引导,比较,状语从句连词有:,than, as,引导,条件,状语从句连词有:,if, unless, so(as) long as, in case, once, as far as, on condition that,从属连词:用来连接各种从句。,3.,定语从句,关系代词:,who,,,whom,,,whose,,,which,,,that,关系副词:,when,,,where,,,why,4.,同位语从句,同上(除,that,外),一,.,几组时间 状语从句,1. till, notuntil, until, before, since,Dont get off the bus,until,it has stopped.,He waited for his father,until (till),it was twelve,oclock.,It will be five years,before,he returns from,England.,Observe the following sentences.,till /until,They played volleyball,until (till),it got dark.,They didnt talk,until (till),the interpreter came.,He didnt go to bed,until (till),his father came back.,Till,the last minute of the match we kept on playing.,Till,he finished his work,did,he go home.,We walked,till,the edge of the forest.,until,位于,句首,时,,not,开头的从句,中,不能用,till,。,until/till,只能用于,时间,。,改为,as far as,或,to,F,几组时间 状语从句,2. hardly/scarcelywhen, no soonerthan,once, as soon as,As soon as,I have finished it , Ill give you a call.,Once,you show any face, he will attack you.,We had,hardly,got into the country,when,it began,to rain.,(Hardly,had,we got into),一,就,几组时间 状语从句,3. the moment, directly, immediately,the minute that,He made for the door,directly,he heard the knock.,4. each time, every time, by the time,Each time,he came to my city, he would call on,me.,一,就,Observe the following sentences.,1. while,是否可换为,when?,Please keep quiet,while,others,are studying,.,A friend of yours came to see you,while,you,were away,.,可以。,while = at the time that, during the time that,谓语动词为,持续性,的动词。谓语一般为,进行时,或状态动词的,一般现在时,。,Observe the following sentences.,2. when,是否可换为,while?,When,I went into the lab, the teacher was doing an experiment.,He often makes mistakes,when,he is speaking English.,when,可指,一段,时间,也可指,一点,时间。引导的状语从句的,谓语动词,可是,终止性,的, 也可是,延续性,的。,主句和从句的,谓语,可以是,一般时、进行时、完成时,。,when,不等于,while,when = while,Observe the following sentences.,3. as,是否可换为,while,when?,As,I was walking down the street, I noticed a police car in front of number 37.,as,可与,when, while,通用,但强调“一边,一边,”,。,as= when , while,区别几组同义词连词,:,一,. when,,,while,,,as “,当,时”,*,when +,持续性,V. / +,终止性,V.,e.g.,He was doing his homework,when,I came in.,*,while +,持续性动作 ,表示,“在,时”,;,表示对比“而”,e.g.,Strike,while,the iron is hot.,I like tea,while,she likes coffee .,* as,+,延续性动词,-“,当,的时候”,; “,一边,一边”,e.g.I met her,as,I was coming home. (=when),She sang,as,she walked home.,As,he talked on he got more and more excited.,几组连词区别,类别,作用,例句,as,when,while,She came up,as,I was cooking.,The runners started,as,the gun went out.,It was raining,when,we arrived.,When,we were at school, we went to the library every day.,Please dont talk so loud,while,we are working. He feel asleep,while/when,reading.,和,when/while,通用,但它着重强调,主句与从句,的动作,同时,或,几乎,同时发生。,主句的动作或事情在从句中的动作或事情的进展过程中发生,,从句,中的动词一般要用,延续性,动词。,即可以表示在某一,点,的时候,又可以表示在某一,段,时间内,,主句与从句,的动作或事情可以,同时,发生也可以,先后,发生。,二,.,because(,因为,),,,since,(既然), as(,由于,), for (,因为,),* “Why did you move there?”,“_my father found a job there.”,The man fainted(,晕倒,)_ he was tired and hungry.,* _it is known to all, the earth moves round the sun.,* _ you cant answer the question, perhaps wed better ask someone else.,* The old lady doesnt go out in winter, _ she feels the cold a great deal.,Because,because,As,Since,for,几组连词区别,类别,作用,例句,because,表示不知道原因,可放在,句首,或,句末,,,句首,要用,逗号,分开。句末不需分开。,I am leaving because I am full.,for,表示不知道的原因,语气最弱,是可说可不说的话,,只能放在主句后,而且必须与前面的分句分开。,for,前有“,逗号,”,Its morning now, for the birds are singing.,since/ as,表示已知原因,,since,比,as,正式一点。通常放在,主句前,。,Since everybody is here, lets start.,下列情况只能用,because,1,回答,why,问句时,2,用于强调句型中,3,被,not,否定时,三,.,so that,“,以便,为了”,(,表示目的,),= in order that,so that,“,以致于,结果”,(,表示结果,),He got up early,so that,he,could catch,the first bus.,He got up late,so that,he,didnt catch,the first bus.,It was very cold,so that,the water in the bowl froze.,She took medicine on time,so that,she might get well soon.,“,为了”,“,结果”,“,结果”,“,为了”,sothat,;,suchthat,“,如此,以致于”, 他是如此聪明的男孩,我们大家都喜欢他,.,He is _ a clever boy,that,all of us like him.,她被吓坏了,以致哭了起来,.,She was _ frightened,that,she started crying.,这是一个如此美丽的公园,以致人们喜欢在里面玩,.,It is _ beautiful a park,that,people enjoy playing in it., There is _ much ink in the bottle,that,you can use it., There are _ many texts in the book,that,we cant finish learning this term.,such,so,so,so,so,小结:,such,+,名词(词组),that,so,+,形容词,/,副词,that,四,.,“,尽管”,although, though, as,e.g.,Although,/,Though,it was cold, he went on working.,-,Cold,as/though,it was, he went on working.,Although,/,Though,he is a child, he knows a lot.,-Child,as/though,he is, he knows a lot.,Although,/,Though,you read fast, you cant finish the book in three days.,-Fast,as,you read, you cant finish the book in three days.,小结:,although/though,用于正常语序。,as/though,用于倒装语序,即将表语、状语、动词原形提前!,五,.,疑问词,+ever,和,no matter+,疑问词的区别,Whoever breaks the rule must be punished.,You can choose whatever you like in shop.,Whoever breaks the rule, he must be punished.,Whatever you do, you must do it well.,No matter what you do, you must do it well.,no matter who breaks the rule, he must be punished.,疑问词,+ever,可引导,名词性,从句和,让步,状语从句,no matter+,疑问词只能引导,让步,状语从句。,六,.,if , whether “,是否”,She asked _ I took sugar in my tea.,I dont care _it doesnt rain.,= I dont care _ it rain,or not,.,_ he will come or not is unknown.,They discussed_they should help her.,We are considering _ to go.,It is still a question _ they will finish the task in time.,if,whether / if,whether,Whether,whether,whether,whether,七,. whether,和,if,的区别,I dont care,whether,he will attend my birthday party,or not.,I dont care,whether or not,he will attend my birthday party .,2. I havent decided,whether to,leave or not.,3.,Whether,they will go to the Great Wall is not known.,和,not,连用,whether,可接不定式,引导主语从句,放在句首时,只能用,whether,whether,和,if,的区别,4. The question,whether,we will take part in the physics contest has not been decided.,The question is,whether,we can finish the task on time.,5. It depends,on,whether,you want to do it or not.,引导同位语从句、表语从句,通常用,whether,whether,可做介词的宾语从句的连接词,whether,和,if,的区别,6.,If,you work hard, you are sure to succeed.,7. I wonder,if,he can not do me a favor.,He had no idea,if,he could not finish the task in time.,if,可用来引导条件状语从句,从句用于否定结构时,必须用,if,Practice:,1. Hurry up, _ youll be late.,2. Study hard, _ youll make progress.,3. I had tried hard, _ I failed.,4. I was going to jump into the river _,the guide called out to me.,5. She could _ read German _,speak it well.,or,and,but,when,both,and,6. You may _ do it yourself _,leave it to me.,7. I cant swim, _ can my sister.,8. It must be raining, _ it is so dark,outside.,9. The problem was very hard, _,we worked it out in the end.,either,or,neither,for,otherwise,10. She had much difficulty in studying English, _we should give her more help.,11. We have studied English for only a year,_ we can already act plays in English,12._ he _ I am from the north.,13. You can _ stay at school _,Come to spend the holiday with us.,so,but,Not only,but also,either,or,14. I dont know him, _ do I know where he comes from.,15. He was very tired, _ he kept on working.,16. You may watch TV, _ only for half an hour or so.,17. Come _ today _ tomorrow.,18. I was ill, and _ could not come.,nor,yet,but,either,or,therefore,as,引导让步,要用倒装,Child as he is, he knows a lot.,Much as I like it, I wont buy.,Try as he would, he couldnt lift the heavy box.,A. when/When B. while/WhileC. as/As,1._ he comes tomorrow, I shall ask him where he has been.,2._ he was speaking, everybody listened carefully.,3._ they picked tea, the girls sang happily.,4. Have a good look at that man _ you pass him.,5. It was already eight oclock _ we got home.,6. _ coal is burned, the chemical energy is turned into heat energy.,7. He learned to speak German _ he was in Berlin.,8. Henry is in charge of the office_ Mr.Smith is away.,9. I was going out _a visitor came.,10. Some people respect him _others are afraid of him.,A,B,C,C,A,A,B,A,A/B,B,谢谢观赏!,2020/11/5,37,
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