小学一般现在时与现在进行时

时态与句型转换Ⅰ一般现在时与现在进行时Look,readandjudge:判断下列句子的时态1.LOOK!Thebirdsaresinging.2.Ioftengotoschoolbybus.3.MikegoesshoppingonSundays.4.TheyarehavinganEnglishlessonnow.5.It’ssixo’clock.Benishavingsupper.6.Helenplaysfootballafterschool.LOOKaresingingoftenonSundaysarehavingnowIt’ssixo’clockishavingplaysgoesafterschoolgo现在进行时现在进行时现在进行时一般现在时一般现在时一般现在时PresentContinuousTense（现在进行时）SimplePresentTense（一般现在时）★标志词★动词的形式时态名称标志词动词形式现在进行时look,listen,now,It’s...(几点了)…be+动词ing一般现在时sometimes,usually,often,always,every...,1.原形2.动词+s/es(第三人称单数)PresentContinuousTense（现在进行时）构成：现在分词构成：Be+动词ing•练习：拼读出下列动词的ing形式.•1.help_________2.come_________•3.swim_________4.eat__________•5.give________6.take_______•7.sit________8.play________helpingcomingswimmingeatinggivingtakingplayingsittingPresentContinuousTense（现在进行时）1)一般情况下，在动词原形后直接加-ing.如：work—workingdo—doing3)重读闭音节单词，如果末尾只有一个辅音字母，则双写这一字母，再加-ing.如：get—gettingshop—shoppingrun—runningswim—swimmingSimplePresentTense（一般现在时）PresentContinuousTense（现在进行时）动词+ing（现在分词）动词原形动词第三人称单数形式（简称三单形式）主语是第三人称单数，动词要使用三单形式。动词形式Look,readandjudge:判断下列人称是不是三单,用yes或no回答Mike_____we_____yoursister______mymother’sstudent______it_______YangLing’sdog________hisbrother______HelenandSuYang______you_______√√√√××√×√除了I，除了you,除了复数，剩下的都是三单。当主语是第三人称单数时，动词要使用三单形式。1.Ilikeplayingfootball.Heplayingfootball.2.MikeandIhavesomestamps.YangLingsomestamps,too.likeshas1.washwashes2.staystays3.guessguesses4.studystudies5.taketakes6.gogoes7.stopstops8.seesees9.drivedrives10.playplays11.flyflies12.findfinds13.teachteaches14.washwashesExercise:拼读出下列单词的三单形式1.wash______2.stay_____3.guess______4.study______5.take_______6.go________7.stop______8.see______9.drive_____10.play______11.fly______12.find____13.teach______14.wash______SimplePresentTense（一般现在时）(2)以s,x,sh,ch结尾的单词，或当o前为辅音字母,加eswatchesteachesgoesdoeswashesbrushes(3)以辅音字母加y结尾的单词，将y改为i加es:study→studiesfly→fliescarry→carriescry→cries但在y前如果为元音则直接加sbuyssaysrunsgetslikestakesplaysclimbs(1)多数动词直接加s:(4)特殊变形：have→hasgo→goesExercise:用所给词的适当形式填空（根据标志词判断时态，进而确定动词形式）1.Mikeoften_______(play)footballintheplayground.2.Mike_________(play)footballintheplaygroundnow.3.Listen!Nancyis_________(sing)4.What____(do)heusually_____(do)afterschool?5.Danny_____(study)EnglishandArtatschool.6.Mike________(go)totheparkwithhissisternow.7.It’seighto’clock,she_______(watch)TV.8.WhereisMike?He________(read)Englishintheclassroom.playsisplayingsingingdoesdostudiesisgoingiswatchingisreading1.Mikeoften_plays__(play)footballintheplayground.2.Mike_isplaying_(play)footballintheplaygroundnow.Exercise:根据要求完成句子1.MikegoestoschoolfromMondaytoFriday.(用now替换fromMondaytoFriday）2.NancyusuallyswimsonSundays.(用now替换onSundays)3.LiuTaoishavinganEnglishlessonnow.(用onTuesday替换now)nowisgoingMikeisgoingtoschoolnow.Nancyisswimmingnow.LiuTaohasanEnglishlessononTuesday.Tips:（时间，频率等）在改变特定标志词时，句子的时态会有变化。现在分词动词三单形式/原形特定将句子变为一般疑问句，否定句与特殊疑问句时，句子的时态不变。现在分词动词三单形式/原形1.Hewantsabook.2.Jimmyiswashingclothes.★变一般疑问句有be动词/情态动词的，将be动词/情态动词放到句子开头。没有be动词/情态动词的，在句子开头加Do,三单加does.变一般疑问句，遇some→any，I→you，we→you,my→your,our→your一、变一般疑问句：wantDoesisDoeshewantabook?IsJimmywashingclothes?1.Mikelikesmilkverymuch.2.Theywalktoschool.3.LingLingandMikearesingingnow.4.IamChinese.5.Bencanrunfast.1.DoesMikelikemilkverymuch?2.Dotheywalktoschool?3.AreLingLingandMikesingingnow?4.AreyouChinese?5.CanBenrunfast?1.Hewantsabook.2.Jimmyiswashingclothes.二、变否定句★变否定句有be动词/情态动词的，在be动词/情态动词后加not.没有be动词/情态动词的，在人称的后面，动词的前面加don’t,三单加doesn’t.变否定句，遇some→any.wantdoesn’tnotHedoesn’twantabook.Jimmyisnotwashingclothes.1.Mikelikesmilkverymuch.2.Theywalktoschool.3.LingLingandMikearesingingnow.4.IamChinese.5.Bencanrunfast.1.Mikedoesn’tlikemilkverymuch.2.Theydon’twalktoschool.3.LingLingandMikearenotsingingnow.4.IamnotChinese.5.Bencan’trunfast.三、对划线部分提问（变特殊疑问句）•1.Hewantsabook.•2.Mikeiswashingclothes.特殊疑问词：what,where,how,who,whose由特殊疑问词引导的问句——特殊疑问句whatWhoiswashingclothes?whoWhatdoeshewant?where:哪里？问地点what：什么？问事，物，职业等whattime什么时间（具体几点）whatcolour什么颜色whatanimal什么动物When什么时候问日期，星期几或不具体的时间how:怎么，怎样？问方法，状态。Howold几岁Howlong(时间）长度Howfar(距离）长度Howmany？多少(可数名词)，问数量。Howmuch？多少(不可数名词)，问“不可数名词的数量”who：谁。问“人”。whose：谁的。问“物品的主人”。Howmany+可数名词复数。(注意whose的拼写)（名词所有格和物主代词）1.Mikelikesmilkverymuch.2.Theygotoschoolbybike.3.LingLing’sbookisonthedesk.4.Iamadoctor.5.Iworktherefortwoyears.2.Howdotheygotoschool?3.Whosebookisonthedesk?1.WhatdoesMikelikeverymuch?4.Whoisadoctor?5.Howlongdoyouworkthere?Exercise:(铅笔抄题，黑色水笔答题）1.HelenusuallytakesphotosonSundays.(用now代替onSundays)2.SuYanglikesdancingwithhersister.(变为一般疑问句）3.Doesheswimwell?(变为否定句）4.Mikeoftenmakesmodelshipsafterschool.(对划线部分提问）