初中英语基础知识-连词.ppt

连词,Conjunctions,连词(Conjunction),一、连词定义:用来连接词、短语或句子的词。e.g.IstudyEnglishandChinese.Doesheworkatschoolorinthehospital?Igetupearly,butmybrothergetsuplate.,二、连词分类：并列连词从属连词,连词：and,but,or,so,(for),连词词组:eitheror,neithernor,notonlybutalso,bothand,(aswellas),that，whether,if,unless,while/when,until,because,sothat,sothat,though/although,evenif,asas等,1.Marylikesmusic_Tomisfoundofsports.A.andB.butC.bothAandB2.Ifailedagain,_Iwontgiveup.A.andB.butC.so3.Thisismyfirstlesson,_Idontknowyournames.A.andB.butC.so,and:表并列“和、并且”but:表转折“但是”so:表因果“所以”,and,or,but,so基本用法,4.Whichdoyoulikebetter,apples_pears?A.andB.butC.or5.Nowwehavenotime_money.A.soB.andC.or,or:1.用于疑问句,表选择2.用于否定句,表并列,6.Tryyourbest_youllmakemoreprogress.A.andB.butC.or7.Dontloseheart,_youllloseall.A.andB.soC.or,and和or都可以在祈使句中使用.and通常是比较好的结果;or则表示不愉快或不理想的结果.,and,or,but,so基本用法,8.Itsgettingwarmer_warmer.A.andB.butC.or9.Heorthetwins_theUSA.A.comesfromB.comefromC.isfrom10.NotTombutI_goingtogivethetalk.A.amB.isC.are,adj.比+and+adj.比表示越来越,AorB和notAbutB结构作主语时，谓语动词要使用就近原则。,and,or,but,so特殊用法,11.AlthoughIhavepassedtheexam,_Iamnotpleasedwiththeresult.A.andB.butC./,and,or,but,so特殊用法,although和but不能同时出现。,12.BothPeterandI_goingtoGuangzhou.A.areB.isC.am13.Eitherapplesorrice_Ok.Iamhungry.A.areB.isC./14.NeitherInormyparents_totellyouthetruth.A.wantsB.wantC.isgoingto15.NotonlyIbutalsoJane_surethatwellwin.A.isB.areC.am,以上结构做主语，除bothand谓语要用复数外，其余都使用就近原则。,2.从属连词-用来引导从句。常见的从属连词有：(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,sothat,suchthat等。(7)引导比较状语从句的than,asas等。(8)引导宾语从句的that,if,whether等。,Mr.Whitewastakingashower_theUFOlandedonthestreet.A.whereB.whileC.whenD.whether,C,WhileMr.Whitewastakingashower，theUFOlandedonthestreet.,考点一,“when”和“while”,when引导的状语从句的动作多为终止性动词，也为延续性动词；但while只能是延续性动词。非延续性动词：open,close,finish,begin,come,go,arrive,reach,getto,leave,move,borrow,buy,join,die,become等,8.Thelittleboy_whenIcamein.A.fallsdownB.felldownC.wasfelldown9.Wewerereadingwhentheteacher_in.A.cameB.comesC.iscoming10.Hebecameadoctorwhenhe_theuniversity.A.graduatedfromB.graduatefromC.graduatedfor,11.Tomworksinahospital_Maryworksinacompany.A.becauseB.untilC.while12.Whilehismotherwaswashing,he_hishomework.A.doB.didC.wasdoing13.Thelittleboyfellalseepwhilehe_themusic.A.waslistenB.waslisteningtoC.listenedto,1.表示对比，“然而，而”,2.表示“当的时候”。两个动词同时发生。必须使用延续性动词。,考点二,我会一直工作到你回来。,Iwillworktillyoucomeback.,notuntil/till直到才till直到为止(一般用于肯定句),翻译：我会到你回来时才睡觉。,Iwontgotobeduntil/tillyoucomeback.,HetooktheMP3playerwithhim_hecouldenjoymusicduringthetrip.A.becauseB.sothatC.when,B,考点三,他起早是为了赶上早班车。(表目的),Hegotupearlysothathecouldcatchtheearlybus.,Hegotupearlysothathecaughttheearlybus.,他起早，结果赶上了早班车。（表结果）,Hegotupsoearlythathecaughttheearlybus.,sothat,sothat：为了；所以，结果,如此以致,1.Illtellyourfatherthetruthassoonashe_here.A.arrivesB.arrivedC.arrivesat2.Wedontknowifhe_usforthepicnic.Illcallyouifhe_.A.joins;comesB.willjoin;comesC.willjoin;willcome3.Nobodyknowswhenthewindows_.ButIlltellyouwhenI_theanswer.A.broke;findoutB.broken;willfindoutC.werebroken;findout,二、从属连词,从属连词用来引导从句,4.Youwontunderstanduntilyou_him.A.meetB.meetingC.willmeet5.Youwillfa