小学生英语语法大全连词ppt课件

.,1,连词,Conjunctions,小学生英语语法,.,2,一.连词的概念,在句子中用来连接词与词、短语与短语或句子与句子的词。连词在句子中不能单独作句子成分，只能起连接作用，,如：1）IstudyEnglishandChinese.2）Doesheworkatschoolorinthehospital?3）Igetupearly,butmybrothergetsuplate.4）Iamverybusybuthappy.（我很忙但我很快乐）,.,3,二.连词的分类,并列连词连接的单词、短语或句子具有对等关系，就是具有相同的词性、相同的结构和形态。and（和）,but（但是），or（或者）,for（因为）,so（所以）bothand（和都）,eitheror（不是就是）notonlybutalso（不仅而且）。,如：1）Iateahamburger,butImnotfullyet.2）letsgoandplayfootball.3）Icleanedthehouseandwashedclothesthismorning.4）Areyougoingtotravelbytrainorbyair?5）NotonlyJanebutalsoherparentslikecooking.,.,4,2.从属连词：用来连接主句和从句。before（之前）,after（之后）,when（当时候）because（因为）if（如果）assoonas（一就）though（尽管）,although（尽管）,如：1）Shedidntgotoschoolbecauseshewasill.2）Ifoundherbagaftershehasleft.（她走了以后，我发现了她的书包）3）Hestudiedhardthoughhehadafever.4）Iwaspaintingthewallwhenhecalledme.（他给我打电话时，我正在刷墙）5）Ifyougettickets,pleaseletmeknow.（如果您买到票，请告诉我）,.,5,根据连词在句子中表示逻辑关系的不同，也可分为以下四类：1)表示因果关系的：because,for,so（所以）,since（既然）2)表示平行并列、选择关系的：and（和）or（或）eitheror（不是就是）neithernor（既不也不）bothand（和都）notonlybutalso（不仅而且）3)表示时间关系的：after,before,when，assoonas4）其它常用连词：表示条件关系的：if表示让步的：although/though（尽管）,.,6,三.常见连词的用法,1.用“and”连接多个对象时，最后两个对象间用“and”连接，前面的其它对象间用逗号。Bobenteredtheroom,tookoffthecoatandsatdowninthesofa.,2.and通常用在肯定句中，而or通常用在否定句和疑问句中,。1）Helikesmilkandjuice.2）Hedoesntlikemilkorjuice.（在否定句中表示并列）3）Whichdoyoulikebetter,applesorpears?（在疑问句中表示选择）,3.在同一个句子中，不能同时出现because和so。如：BecauseJohnwasill,soItookhimtothedoctor.应改为：Johnwasill,soItookhimtothedoctor.或：ItookhimtothedoctorbecauseJohnwasill,.,7,4.though/although不能和but和连用。如：Althoughheisoversixty,butheworksashardasothers.改为：Althoughheisoversixty,heworksashardasothers.或：Heisoversixty,butheworksashardasothers.,5.“bothand”（和都/两者都）“notonlybutolso”（不仅而且）,意思相近，有时可以通用,如：BothyouandhespeaksFrench.（你和他都讲法语）NotonlyyoubutalsohespeaksFrench.（不但你而且他也讲法语）,6.neithernor本身已经表示两者都否定，所以句子不再用否定式。NeithershenorIareinterestedinicecream.（她和我都不喜欢冰淇淋）,.,8,7.eitherAorB（或者A或者B）neitherAnorB（既不A也不B）notonlyAbutalsoB（不仅A而且B）,EitheryouorIamgoingtotheparty.(或者你或者我将去晚会)NeitherInorhehasseenthemovie.（我和他都没有看过这部电影）NotonlyyoubutalsohespeaksFrench.（不但你而且他也讲法语）,【连接主语时，谓语“就近原则”】,8.and和or都可以在祈使句中使用.“and+句子”通常是比较好的结果，意思是“那么就会”“or+句子”则表示不愉快不理想的结果，意思是“否则就会”如：Studyhard,andyourmathwillbebetter.（努力学习，那么你的数学成绩将会很好）Studyhard,oryourmathwillbeworse.（努力学习，否则你的数学成绩将会很差）,.,9,1.请用括号里的连词连接下列句子,1）Heisrich.Heisunhappy.(but).2）Hebrokehisleftleg.Hecouldntattendthemeetingyesterday.(because).3）Bobenteredtheroom.Bobtookoffthecoat.Bobsatdowninthesofa.(and).4）Iamwrong.Youarewrong.(neithernor).5）Itwillbefinetomorrow.IllvisitmyEnglishteacher.(if),Heisrichbutheisunhappy,Hecouldntattendthemeetingyesterday,Becausehebrokehisleftleg.,Bobenteredtheroom,tookoffthecoatandsatdowninthesofa.,NeitheryounorIamright.,IllvisitmyEnglishteacherifitisfinetomorrow.,.,10,6）Ilikewhiteboots.Mysisterwhiteboots.(bothand).7）Iwontbuyakite.Iwontbuyaballoon.(or).,BothmysisterandIlikewhiteboots.,Iwontbuyakiteoraballoon.,2.选择填空,1）Wemadeapizzathismorning._wedidnteatit.A.andB.soC.butD.or2）Iwastiredverymuch,_Iwenttobedearlylastnight.A.becauseB.soC.butD.or3）DoesRosegotoschoolbybike_bybus?A.andB.orC.butD.nor,C,B,B,.,11,4）HewillgotoParis_hisauntlivesthere.A.andB.soC.but.D.because5）Illcallyou_Iarriveattheairport.A.andB.butC.assoonasD.if6）JerryIareinterestedinthemovie.Couldyougivemeonemoreticket?A.Both,andB.Either,orC.Neither,norD./,or7）_itsraining,thematchcontinues.A.ForB.WhenC.AlthoughD.Because8）Turnoffthelights_yougoout.A.ifB.thoughC.afterD.before,D,C,A,C,D,.,12,9）Marylikesmusic_Tomisfoundofsports.A.andB.butC.bothAandB10）Thisismyfirstlesson,_Idontknowyournames.A.andB.butC.so11）Whichdoyoulikebetter,apples_pears?A.andB.butC.or12）Nowwehavenotime_money.A.soB.andC.or13）Itsgettingwarmer_warmer.A.andB.butC.or,C,C,C,C,A,.,13,3.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.,Hewashungry,soheatetwobowlsofrice.,Becau