一般现在时与现在进行时.ppt

时态与句型转换,一般现在时与现在进行时,Look,readandjudge:判断下列句子的时态,LOOK!Thebirdsaresinging.Ioftengotoschoolbybus.MikegoesshoppingonSundays.TheyarehavinganEnglishlessonnow.Itssixoclock.Benishavingsupper.Helenplaysfootballafterschool.,LOOK,aresinging,often,onSundays,arehaving,now,Itssixoclock,ishaving,plays,goes,afterschool,go,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,PresentContinuousTense（现在进行时）,构成：,构成：Be+动词ing,练习：拼读出下列动词的ing形式.1.help_e_3.swim_4.eat_5.give_6.take_7.sit_8.play_,helping,coming,swimming,eating,giving,taking,playing,sitting,PresentContinuousTense（现在进行时）,1)一般情况下，在动词原形后直接加-ing.如：workworkingdodoing,2)以不发音的字母e结尾的动词，去掉e再加-ing.如：dancedancingcomecoming(但动词词尾是字母组合ee的,就不能去掉词尾e，而应直接加-ing。例如:seeseeing),3)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：getgettingshopshoppingrunrunningswimswimming,SimplePresentTense（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_mymothersstudent_it_YangLingsdog_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.,likes,has,1.washwashes2.staystays3.guessguesses4.studystudies5.taketakes6.gogoes7.stopstops8.seesees9.drivedrives10.playplays11.flyflies12.findfinds13.teachteaches14.washwashes,Exercise: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es,watchesteachesgoesdoeswashesbrushes,(3)以辅音字母加y结尾的单词，将y改为i加es:,studystudiesflyfliescarrycarriescrycries,但在y前如果为元音则直接加s,buyssays,runsgetslikestakesplaysclimbs,(1)多数动词直接加s:,(4)特殊变形：,havehasgogoes,Exercise: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.Itseightoclock,she_(watch)TV.8.WhereisMike?He_(read)Englishintheclassroom.,plays,isplaying,singing,does,do,studies,isgoing,iswatching,isreading,1.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),now,Mikeisgoingtoschoolnow.,Nancyisswimmingnow.,LiuTaohasanEnglishlessononTuesday.,Tips:,（时间，频率等）,特定,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someany，Iyou，weyou,myyour,ouryour,一、变一般疑问句：,Doeshewantabook?,IsJimmywashingclothes?,1.Mikelikesmilkverymuch.2.Theywalktoschool.3.LingLingandMikearesingingnow.4.IamChinese.5.Bencanrunfast.,1.DoesMikelikemilkverymuch?,2.Dotheywalktoschool?,3.AreLingLingandMikesingingnow?,4.AreyouChinese?,5.CanBenrunfast?,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dont,三单加doesnt.变否定句，遇someany.,Hedoesntwantabook.,Jimmyisnotwashingclothes.,1.Mikelikesmilkverymuch.2.Theywalktoschool.3.LingLingandMikearesingingnow.4.IamChinese.5.Bencanrunfast.,1.Mikedoesntlikemilkverymuch.,2.Theydontwalktoschool.,3.LingLingandMikearenotsingingnow.,4.IamnotChinese.,5.Bencantrunfast.,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,Whoiswashingclothes?,Whatdoeshewant?,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.LingLingsbookisonthedesk.4.Iamadoctor.5.Iworktherefortwoyears.,2.Howdotheygotoschool?,3.Whosebookisonthedesk?,1.WhatdoesMikelikeverymuch?,4.Whoisadoctor?,5.Ho