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No.34MiddleSchoolTianPuRevision在英语中，不同时间发生的动作或存在的状态要用不同的动词形式来表现。复习三种时态的概念、标志词、结构、句式变化、以及这些时态间的相互区别，并加以灵活运用。学习目标现在进行时,一般现在时,一般过去时概念现在进行时：一般现在时：一般过去时：现在正在进行的动作经常或习惯性的动作或存在的状态。过去某个时间或时间段发生的动作或存在的状态。(ThePresentContinuousTense)(TheSimplePresentTense)(TheSimplePastTense)现在分词的构成：动词第三人称单数的构成：过去式的构成：①直接加ing.②重读辅元辅，双写尾字母加ing.③以e结尾去e加ing.①直接加s.②以s,x,ch,sh,o结尾加es.③以“辅音+y“结尾变y为i再加es.①直接加ed.②以e结尾只加d.③重读辅元辅,双写尾字母再加ed.④以辅音+y结尾变y为i再加ed.谓语动词形式have-look-begin-use-shop-get-dance-study-现在分词（一般现在时）第三人称单数过去式study-finish-have-go-do-play-watch-give-need-stop-hope-play-try-plan-visit-like-havinglookingbeginningusingshoppinggettingdancingstudyingstudiesfinisheshasgoesdoesplayswatchesgivesneededstoppedhopedplayedtriedplannedvisitedliked（现在进行时）（一般过去时）过去式的不规则变化blow-buy-can-come-do-eat-fall-find-forget-get-give-go-have-know-learn-make-meet-read-run-say-see-send-sit-take-think-will-tell-begin-teach-catch-blewboughtcouldcamedidatefellfoundforgotgotgavewenthadknewlearntmademetreadransaidsawsentsattookthoughtwouldtoldbegantaughtcaught三种时态常用的标志词现在进行时now,Look!Listen!atthistimeWhereis…?Don’ttalk!It’s8:00am.三种时态常用的标志词一般现在时always,usually,often,sometimes,seldom,hardlyever,never,everyday（every…）,threetimesaday三种时态常用的标志词一般过去时lastnight（last…）,twodaysago（…ago）,in1999（in+过去的年份）,justnow=amomentago刚才,yesterday,yesterdaymorning,thedaybeforeyesterday判断下列信息词是属于哪种时态lastnightnoweverydayLook!yesterdayoftenListen!twoyearsagoalwaysin1897threetimesaweek一般现在时一般过去时现在进行时改否定句的方法：①首先看有无be动词，如果有，在be动词后面加not.如：Heisateacher.Heisn’tateacher.主语+don’t/doesn’t/didn’t+动词原形如：ShewenttoParisyesterday.Shedidn’tgotoParisyesterday②如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且动词要还原。改一般疑问句的方法：①首先看有无be动词，如果有，将be提到句首并大写，句末打问号.如：Heisateacher.Isheateacher？②如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并且动词要还原。动词-原形动词-s/es动词-ed+动词原形…?Do…Does…Did…如：ShewenttoParis.DidshegotoParis？对比时态动词形式否定句一般问句现在进行时一般现在时一般过去时表格对比学习be+动词-ing(现在分词）在be后加上notBe提到句首动词-原形动词-第三人单数在行为动词前借用do,does后加not，行为动词还原Do,Does提到句首，行为动词还原动词-ed(过去式）在行为动词前借用did后加not，行为动词还原Did提到句首，行为动词还原Dosomeexercises用所给动词的适当形式填空。1.Listen!Mary_________(sing)now.2.Ayoungman__________(run)ontheplaygroundnow.3.Mymother_________(watch)TVplayeveryday.4.OldBush________(visit)Chinaagainlastmonth.issingingisrunningwatchesvisited.5.I______(play)sportsthreetimesaday.6.Look!LucyandLily____________(read)books.7.There_______(is)afootballmatchyesterdayafternoon.8.Ourclass______(go)tothezoothreedaysago.playarereadingwaswent判断时态形式：1.Healwayslikesplayingthepiano.()2.WearehavinganEnglishclassesnow.()3.Theyoftengohomelate.()4.Lucydancedthediscoatthepartylastnight.()A.现在进行时B.一般现在时C.一般过去时BABC判断时态形式：5.IlikedgotothezoowhenIwasyoung.()6.Look!Theyareplayingfootball.()7.Shewasbornin1990.()8.Ilostmuchmoneylastnight.（）A.现在进行时B.一般现在时C.一般过去时ACCC1.Heisateacher.2.KangkangcomesfromChina.先（否定句），再（一般疑问句）Heisn’tateacher.Isheateacher?Kangkangdoesn’tcomefromChina.DoesKangkangcomefromChina?句型变化操练3.Iusuallytakethebustowork.4.Theyarehavingclasses.5.Janeplayedtheguitarlastnight.Idon’tusuallytakethebustowork.Doyouusuallytakethebustowork?Theyare’thavingclasses.Aretheyhavingclasses?Janedidn’tplaytheguitarlastnight.DidJaneplaytheguitarlastnight?句型变化操练中考链接1.-Whatdoyoudo?-I’manengineer.I_____inacompanyinWuhan.A.workB.hadworkedC.willworkD.worked2.-Alice,turndowntheTV,please.I____onthephone.-Oh,I’msorry.A.havetalkedB.talkedC.amtalkingD.talk中考链接3.Karinfoundsomewastepaperonthefloor.She_____it_____andthrewitintothedustbin.A.put;upB.picked;upC.turned;upD.looked;up4.TodayisFather’sDay.Mymother____aspecialdinnerformygrandpanow.A.prepareB.preparedC.ispreparingD.willprepred中考链接5.-____thegirls____youawarmwelcome?-Yes,theydid.A.Did;giveB.Do;giveC.Did;gaveD.Does;give6.Iusually______schoolat7:30inthemorningand_____homeat5:30intheafternoon.A.get;getB.getto;gettoC.get;gettoD.getto;get写作训练请根据以下两张幻灯片里的图片和提示用我们今天复习的时态写两篇小短文。Jim/onceaweektwiceaweek3or4timesaweekeverydayhardlyeverneverIt’s8:00PMnow.brotherplaycomputergamesmothercleanfatherruntalkonthephonesisterdohomeworkgrandparentswatchTVSummary时态现在进行时一般现在时一般过去时三种时态的概念、标志词、结构、句式变化、以及它们之间的相互区别Homework1.用一般过去时态写一篇60词的小短文，题目自拟。2.复习八上1-3单元。