英语连词ppt课件

中考复习,1,连词：主要作用是:连接单词与单词、短语与短语、句子与句子。它是虚词,不能在句子中作成分.,2,连词的分类,1.并列连词2.从属连词,3,用来连接平行的词，词组或句子。常见的并列连词有：(1)表并列关系的and,bothand,notonlybutalso,neithernor,aswellas等。(2)表选择关系的or,eitheror等。(3)表转折关系的but,however,yet等。(4)表因果关系的for,so等。,一.并列连词,4,and和，并且,例如:1)Ioftenhavebreadandmilkforbreakfast.2)OnSundaysIwashclothesandlookaftermydaughter.3)Lucyiskindandshelikeshelpingothers.,一.并列关系,5,2.both.and既.又例如:BothIandshelikesleeping.neithernor既不也不(连接主语时要就近原则)例如:NeitheryounorLucyworkshardnotonly.butalso不但而且(连接主语时要就近原则)例如:NotonlyMikebutalsohissisterhasbeentoLondonaswellas既又(也),不仅而且例如:Lilycansingaswellasdance.,注意:1.在否定句中把and改为or,例如:Thereisnoairorwateronthemoon.,一.并列关系,6,1.or,或，否则Getupearlier,oryouwillmisstheearlybus.,2.eitheror要么.要么(遵守就近原则)Eitheryouorhehastheticket.,二:选择关系,注意:or=ifyoudont,youwill.Ifyoudontgetupearlier,youwillmisstheearlybus.,7,1.but但是HelivesinBeijingnow,buthishomeisinZhejiang.,三.转折关系,3.yet可是，然而,WehavestudiedEnglishfortenyears,yetwecantspeakitwell.,2.however,但是HelivesinBeijingnow,however,hishomeisinZhejiang.,8,1.for因为Hedidntgotoschool,forhewasill.,2.so所以Hewasill,sohedidntgotoschool.,四:因果关系,注意:because和so不能一起使用,9,(1)引导时间状语从句的after,before,when,while,as,until,till,since,assoonas等。(2)引导条件状语从句的if,unless等。(3)引导原因状语从句的because,as,since等。(4)引导目的状语从句的sothat,inorderthat等。(5)引导让步状语从句的though,although,evenif等。(6)引导结果状语从句的sothat,suchthat等(7)引导比较状语从句的than,asas,less.than等。(8)引导宾语从句的if,whether,when等。,二.从属连词,从属连词用来引导从句。常见的从属连词有：,10,1.after在-之后Iwillgiveyouaringafterhecomesback.,3.when当-的时候Iwillgiveyouaringwhenhecomesback.,一.时间状语从句,4.assoonas一-就Iwillgiveyouaringassoonashecomesback.,2.before在-之前Iwillgiveyouaringbeforeheleaveshere.,5.until/till直到-才Iwillnotleavehereuntilhecomesback.,6.since自从-IhavelivedheresinceIcametoHongjia.,11,7.as.当时候,一边.一边.例如:ImetmyoldfriendasIwaswalkinginthestreet.,8.while在.时候,而,例如:WhileIwasdoingmyhomework,mybrotherwassleeping.,12,2.unless除非Iwillgotherewithyouunlessyouagreewithme.Iwillgotherewithyouunlessmymothertellsmenotto.,二:条件状语从句,1.if如果Iwillgothereifitdoesntraintomorrow.Pleasetellmeifyouknowtheanswer.,13,2.as由于，因为语气最弱Asitisrainingheavily,youdbetterstayathome.,三:原因状语从句,1.since既然，自从Sincewaterisveryimportant,wemusttryourbesttoprotectit.,3.because因为语气最强Lucydidntgotoschoolbecauseshewasillysterday.,14,2.inorderthatTheteacherspeaksslowlyinorderthatwecouldcatchher.,四:目的状语从句,1.sothat为了Theteacherspeaksslowlysothatwecouldfollowher.,15,2.evenif/eventhough即使IwillgoandhelpthemeventhoughIstopmywork.,五:让步状语从句,1.though/although虽然Thoughheispoor,heishappymostofthetime.,3.asif/asthough好像Hetalkedasthoughhecaredlittleformoney.,16,六:结果状语从句,1.so.that太.以致于Heransofastthathesooncaughtupwiththeothers.,2.such.that太.以致于,ItissuchaninterestingfilmthatIwanttoseeitagain.,ThefilmissointerestingthatIwanttoseeitagain.