一般现在时与现在进行时比较.ppt

北师大必修模块1高一上,Grammar,PresentsimplePresentcontinuous,objective,TolearnPresentSimpleandPresentContinuous,语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语法规律。,Lookatthesentencesandfindmoreexamplesinthetexts.,Forlunch,Ihavebiscuitsandaglassofmilk.2.Ilikethemainnewsatsixoclock.3.Idosomeexerciseeveryday.4.Intheevenings,IoftenwatchTVseries.5.Inormallywakeupaboutfiveminutesbeforemyalarmclockgoesoff.,1.apermanentstateofaffairs2.ahabit,orsomethingyoudoregularly3.somethingwhichisalwaystrue(e.g.scientificfacts),Presentsimple,Whattenseisusedinthefollowingsentences?,BrianBlakeyissittingonhissofa.Brianswifeisworkingasasecretary.Intheafternoon,Ioftenwatchanotherfilmtheyareshowingsomegoodonesatthemoment.Shesnotherenow,becauseshesworking.,somethingthatistakingplaceatthismoment2.somethingthatistakingplaceinthisperiodoftime,Presentcontinuous,Thepresentsimpletense一般现在时,(1)一般现在时的句型结构,肯定句:主语+am/is/are+表语主语+实义动词(+其它)否定句:主语+am/is/are+not+表语主语+dont(doesnt)+实义动词原形(+其它)疑问句:Am/Is/Are+主语+表语Do(Does)+主语+实义动词原形(+其它),(2)一般现在时的用法,1)表示不随时间的变化而变化的事实、真理、格言、警句等。Theearthgoesaroundthesun.地球绕着太阳转。Pridegoesbeforeafall.骄者必败。TomorrowisMonday.明天星期一。,2)表示目前,现在经常发生的动作,习惯,或存在的状态。常与下列表示次数的频率副词连用,Classbeginsateighteverymorning.每天早晨八点钟开始上课。Healwaysworksatnight.他经常在晚上工作。,oftenusuallyalwayssometimes,seldomeveryday(week,year,night)onceaweek,3)表示“预定”或是“安排好”要发生的,不会轻易改变的未来动作、事情。常用于此类用法的动词有comego,move,stop,leave,arrive,be,finish,continue,start,begin,Theplanearrivesat8oclock.飞机八点到。SchoolbeginsonSeptember6th.九月六日开学。,4)用于戏剧、电影等的剧本解说,体育比赛及其他活动现场解说或图片的说明等。,HepassestheballtoJohn.他把球传给约翰。Therearefivepeopleinthepicture.在这幅画中有五个人。,5)在表时间和条件的状语从句中,用一般现在时代替将来时。,常见引导时间状语从句的词汇有:when,while,whenever,before,after,till,until,bythetime,assoonas.常见引导条件状语从句的词汇有:if,unless,aslongas,solongas,incase(that),provided(that).,WhenBillcomesaskhimtowaitforme.比尔回来时让他等我。IwillwritetoyouassoonasIarrivethere.我一到那就会给你写信。YouwillhavetogeteverythingreadyforthepartybeforeIcomethisevening.在我来之前你必须为晚会准备好一切。,Thepresentcontinuoustense现在进行时,(1)现在进行时的基本结构,肯定句:主语+am/is/are+现在分词否定句:主语+am/is/are+not+现在分词疑问句:Am/Is/Are+主语+现在分词,(2)现在进行时的用法,表示说话时正在进行的,目前正在发生的动作。此种用法时,常带有表示目前时刻的时间副词,如:now,atthe(very)moment,forthetimebeing,atpresent,及Look!Listen!等词汇。Look!Thebigbirdisflyingaway.看,那只大鸟正在飞走。Heiswatchingamovienow.他现在正在看电影。,2019/12/13,20,可编辑,2)表示目前一段时间内正在进行,但说话时可能没有进行的动作。,RightnowIamstudyingChinesebydistancelearning.我现在正通过远程教育学习汉语。Mr.Greeniswritinganothernovel.格林先生在写另一部小说。,3)与always,constantly,forever,allthetime等副词连用,表示动作反复或习惯。此时句子常含有说话者的强烈情感在内。表达较强的“责备”或“表扬”之意。,Youarealwayschangingyourmind.你总是主意不定。(太烦人了。)Heisalwayshelpingothers.他总是帮助别人。(他真是个好人。),Thebabyisconstantlyscreaming.宝宝老是尖叫。（不耐烦）HesforeverfindingfaultwithwhatIdo.他老是找我的茬。（厌烦）Shesperpetuallynagging.她老爱唠叨。（厌烦）Shesalwaysworking.她总是在工作。(赞赏),4)see,return,leave,start,visit,go,come,fly,stay等动词可以用进行时表将来。,HeisleavingonWednesday.他将于周三离开。WeareflyingtoParistomorrow.我们明天将飞往巴黎。,注意:英语中一些表“状态和感官”的动词通常不用于进行时：,1.Thehousebelongstomyauntbutshe_hereanymore.(2006全国I)A.hasntlivedB.didntliveC.hadntlivedD.doesntlive2.Asyoucansee,thenumberofcarsonourroads_risingthesedays.(2006全国II)A.waskeepingB.keepC.keepsD.werekeeping,I.Multiplechoice,3.Lookatthetimetable.Hurryup!Flight4026_offat18:20.(2006四川)A.takesB.tookC.willbetakenD.hastaken4.Sendmyregardstoyourlovelywifewhenyou_home.(2006上海)A.wroteB.willwriteC.havewrittenD.write,5.Ladiesandgentlemen,pleasefastenyourseatbelts.Theplane_.(2006福建)A.takesoffB.istakingoffC.hastakenoffD.tookoff6.Thefatheraswellashisthreechildren_skatingonthefrozenrivereverySundayafternooninwinter.(2006辽宁)A.isgoingB.goC.goesD.aregoing,7.-Whatareyougoingtodothisafternoon?-Imgoingtothecinemawithsomefriends.Thefilm_quiteearly,sowe_tothebookstoreafterthat.A.finished;aregoingB.finished;goC.finishes;aregoingD.finishes;go,用所给动词的一般现在时或现在进行时填空。,1.I_(write)alettertomysister,whoworksinBeijing.2.Heretherainseasonusually_(come)betweenJuneandAugust.3.Peter_(drive)toseehisgrandparentsthisafternoon.4.Hesaidthesun_(rise)intheeastand_(set)inthewest.5.TheplaneforMoscow_(takeoff)atthreeoclock.,amwriting,comes,isdriving,rises,sets,takesoff,她每星期给母亲写一封信。Shewritestohermotheronceaweek.2.皮特和玛丽常常一起打羽毛球。PeterandMaryoftenplaybadmintontogether.,.Translation,3.学生们在干什么？有一些在打电话，另一些躺在沙滩上。Whatarethestudentsdoing?Somearetalkingonthephone,somearelyingonthebeach.4.格林先生在看电视吗？不，他在打扫房间。IsMr.GreenwatchingTV?No,heiscleaningthehouse.,Review,1.一般现在时的结构及其用法主语+am/is/are+表语主语+实义动词(+其它）表示经常发生的动作2.现在进行时的结构及其用法主语+am/is/are+现在分词表示说话时正在进行的动作,Preview,LearnthewordsinLesson3byheart2.Thinkaboutwhatvolunteer