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连词一、概念1、连词是虚词，起连接词与词，短语与短语的作用，句子与句子的作用。二、小学阶段常见的并列连词。1、and一般用在肯定句1）和，并且（连接谓语时态、结构要一致）Hestoodupandputonhishat.他站起来，戴上他的帽子。IwenttotheSummerPalaceandhewenttotheForbiddenCity.我去了颐和园，他去了紫禁城。2）用在祈使句中。Useyourhead，andyou’llfindaway.动动脑筋，你就会想出办法来。2、or或者，否则1）否定句Idon’tlikeplayingbasketballorplayingfootball。我不喜欢打篮球和踢足球。1）疑问句Whichdoyouprefer,coffeeorcoke?你喜欢喝咖啡，还是可乐？IsyourEnglishteacheramanorawoman？你的英语老师是男的老师还是女的老师？3、but但是表示转折，一般用于否定句。Helikesthepianobutdoesn’tliketheviolin.他喜欢钢琴，但不喜欢小提琴。4、so所以表示结果。（注意：so不能和because并列使用）Thecatwashungry,soIgaveitsomefood.猫饿了，所以我给了它一些食物。Becausethecatwashungry，Igaveitsomefood.因为猫饿了，我给他一些事物。5、both…and…和；既……也……BothBeijingandNewYorkhavetrafficproblems.北京和纽约都有交通问题。6、either…or…或……或……不是……就是……Eitheryouorheisright.不是你就是他是对的。7、neither…nor…既不……也不……NeitherhenorIspeakaforeignlanguage.他和我都不会说外语。三、从属连词的分类及用法1、that引导宾语从句（可以省略）Hesays(that)hehastoldherthething.他说他已经告诉了她这件事了。2、when（当……的时候）引导时间状语从句WhenIarrivedthere，itwasraining.当我到那儿时，天正在下雨。3、till/until“直到……”引导时间状语从句Hestayedtheretill/untilhismothercameback.他一直待在那里直到他妈妈回来。4、after/before“在……之前”/“在……之后”引导时间状语从句（两者可以相互转化）HecametoChinaafterthewarwasover.他来到中国在战争结束之后。ThewarwasoverbeforehecametoChina.战争已经结束了在他来到中国之前。5、because“因为”引导原因状语从句Shedidn’tgothere,becauseshewasill.因为她病了，所以没有去那里。6、if“如果”引导条件状语从句Ifanyonecalls，tellthemIamnotathome.如果有人打电话来，就说我不在家。四、易错考点1、如连接三个或三个以上的单词和词组，and一般放在最后一个单词或词组。Tom，JimandIareplayingfootballnow.汤姆，吉姆和我现在正在踢足球。Thereisaapple，threepearsandsomegrapesontheplate.（there或here后跟谓语动词用单数还是复数看最靠近there/here的名词是不可数、单数还是复数。）2、由both…and…构成的词组作主语时，谓语动词要用复数。BothTomandIaregoodatEnglish.3、either…or…和neither…or…构成的词组作主语时，谓语动词随其邻近的词。即随or后面的主语而定。如：EitheryouandIamright.不是你就是我是对的。Neitheryounorheisright.你和他都不对。4、though（虽然）与but（但是）不能连用Thoughhewastired，hestillworkedhard.Hewastired，buthestillworkedhard.连词练习：1单项选择1.Areyougoingtoplayfootball_______basketball?A.andB.orC.soD.but2.Hegetsup,eatshisbreakfast_______goestoschool.A.andB.orC.soD.but3.Youcantouchit,________youcan’tholdit.A.andB.orC.soD.but4.Sheaskedmetogo,_______Iwent.A.andB.orC.soD.but5.Hurryup,________elseyou’llbelate.A.andB.orC.soD.but6.It’sverydifficult,________Icandoitmyself.A.andB.orC.soD.but7.Johnwantstobeateacher,_________Marywantstobeadoctor.A.andB.orC.soD.but8.Themanisveryrich,________heisunhappy.A.andB.orC.soD.but9.Iclosedthedoor_________lefttheclassroom.A.andB.orC.soD.but10.He’shard-working,_________notclever.A.andB.orC.soD.but11.Whichcharacterdoyoulikebetter,SnowWhite_______Cinderella?A.andB.orC.soD.but12.Iwasdoingmyhomework________IsawthenewsonTV.A.andB.orC.whenD.but13.I'llgivethebooktohim＿＿＿hecomesback.A.sinceB.assoonasC.beforeD.until14.Don'tcrosstheroad＿＿＿thelightturnsgreen.A.whenB.whileC.untilD.as15.MissGaohasbeenateacher＿＿＿1990.A.beforeB.afterC.sinceD.in16.Welovespring＿＿＿there'sbeautifulflowerseverywhere.A.thoughB.butC.orD.because17.Pleaseleave＿＿＿7∶００,thenyou'llbeabletoget＿＿＿thereearlier.A.till,inB.from,/C.before,/D.behind,to18.Theteacherdidn'tbeginthelesson＿＿＿allthestudentsstoppedtalking.A.untilB.afterC.ifD.because19.Bettydidn'tgotoseethefilmyesterday＿＿＿shewasill.A.butB.untilC.ifD.because20.＿＿＿heisachildofsix,hecanreadandwrite.A.WhoseB.IfC.ThoughD.Because21.Takethisdictionarywithyou＿＿＿youmayuseitinclass.A.whenB.inordertoC.butD.sothat22.＿＿＿shewasnotwell,Idecidedtogowithouther.A.ThoughB.AsC.WhenD.Because2.请用括号里的连词连接下列句子1）Heisrich.Heisunhappy.(but)____________.2）Hebrokehisleftleg.Hecouldn’t’tattendthemeetingyesterday.(because)____________3）Bobenteredtheroom.Bobtookoffthecoat.Bobsatdowninthesofa.(and)______4）Iamwrong.Youarewrong.(neither…nor)__________________.5）Itwillbefinetomorrow.I’llvisitmyEnglishteacher.(if)._____________6）Ilikewhiteboots.Mysisterlikeswhiteboots.(both…and…)_______________.7）Iwon’tbuyakite.Iwon’tbuyaballoon.(or)______________.3.找出下列句中的错误，并予以订正。1）Becausehewashungry,soheatetwobowlsofrice..2）Whichdoyoulikebetter,singinganddancing?..3）Aliceisnotslimbutalsobeautiful..4）BothMomandalsoDadareangrywithmybrother..5）Thoughsheislittle,butsheoftenhelpsothers..