初中英语八大时态课件

初中英语八大时态ReviewofTenses1、TheSimplePresentTense一般现在时态教学重、难点一般现在时表示经常发生的动作或存在的状态常与everyday,onSundays,sometimes,often，usually,always,等连用结构：1、主语+动词原形+其他Eg.IhaveameetingonSundays.Theyvisittheirparentsonceamonth.注:主语(三单)+动词(第三人称单数形式)+其他Eg.1)Shelikesitverymuch.2)Sheusuallygoestoschoolat7o’clockeverymorning.动词第三人称单数形式·在动词后+s·在以s,x,ch,sh,o结尾的动词+es·以辅音字母+y结尾的动词，先变y为i，再加es·特殊have-has等helpguessflymakeleavefixswimknowplayclosegostudygetreadbringwatch写出下列动词的第三人称单数形式carrydowashvisitexerciseenjoyjumphavesiesessessssessiesssshasesssesssesiess一般现在时否定式be+notdon’tdo/doesn’tdoII一般现在时的否定式1.Be动词的否定式:be+notIamateacher.YouareaworkerSheisadoctorWearefriends.I’mnotateacherYouaren’taworkerSheisn’tadoctor.Wearen’tfriends.isnot=isn’tarenot=aren’t否定句2.当主语是单数第三人称时，它与助动词Does有关，但是动词谓语一定要恢复为原形。当主语是其他人称时，它与助动词Do有关。IlikeEnglish.Shelikesitverymuch.Wegotoworkbybike.Idon’tlikeEnglish.Shedoesn’tlikeitverymuch.Wedon’tgotoworkbybike.否定句概念：用yes或no来回答的疑问句叫做一般疑问句。一般疑问句句首的第一个词一般读得比较重。III一般疑问句1.对于be动词，疑问句要求把be提前，第一人称变成第二人称。疑问句Iamateacher.Areyouateacher?Youareaworker.Areyouaworker?Heisastudent.Isheastudent?Wearefriends.Areyoufriends?2.对于实意动词，疑问句要求是：当主语是他(he)，她(she)，它(it)时，句子前面加does，并把动词恢复原形；当主语是其他人称时，句前加do，第一人称(I/we)换第二人称(you)。Ioftengothere.Youlikethemusic.Hegoestoworkbybus.We/You/Theylikeit.Doyouoftengothere?Doyoulikethemusic.?Doeshegotoworkbybus?Doyou/theylikeit?1.HehasameetingonSundays.2.Hegoestoschoolatseveninthemorning.3.MyfatherandmothergooutforlunchonSundays.4.Wedoourhomeworkafterschool.把下列句子改为一般疑问句DoeshehaveameetingonSundays?Doeshegotoschoolatseveninthemorning?DoyourfatherandmothergooutforlunchonSundays?Doyoudoyourhomeworkafterschool?exercise把下列句子改为否定句1.Myfatherhasaneggforbreakfast.2.LiLeidoeshishomeworkafterschool.3.Wedoourhomeworkathome.4.Theyhaveameetingeverymorning.Myfatherdoesn’thaveaneggforbreakfast.LiLeidoesn’tdohishomeworkafterschool.Wedon’tdoourhomeworkathome.Theydon’thaveameetingeverymorning.1.Weoften_____(play)intheplayground.2.He____(get)upatsixo’clock.3.___you____(brush)yourteetheverymorning?4.What___heusually___(do)afterschool?5.Danny______(study)English,Chinese,Maths,ScienceandArtatschool.6.Mikesometimes_____(go)totheparkwithhissister.7.She_____(watch)TVwithhisparentseveryevening.8.____Mike____(read)Englisheveryday?用所给动词的正确形式及助动词填空playgetsDobrushdoesdostudiesgoeswatchesDoesread2、一般过去时TheSimplePresentTense教学重、难点一般过去时一般过去时指动作发生在过去有时候会有例如yesterday,lastyear等表示过去时间的标志一般过去时主要要注意动词的变化be动词和实意动词含有be动词的一般过去式SheisinBeijing.ShewasinBeijing.Iamastudent.Iwasastudent.Wearefriends.Wewerefriends.含有be动词的一般现在时变一般过去时,把is和am改成was,把are改成were练习:1.Sheisateacher.She___ateacher.2.TheyarefromJapan.They___fromJapan.3.Iamverytired.I___verytired.4.Heistooyoungtogotoschool.He___tooyoungtogotoschool.5.Youarelateforschool.You___lateforschool.waswerewaswaswere不含be动词的一般过去时不含be动词的句子改写成一般过去时，把句子中的动词改为过去式形式。通常有五种写法。Iworkinthiscity.Iworkedinthiscitylastyear.TheyliveinShanghai.TheylivedinShanghailastyear.动词过去式的写法：一般情况，在动词末尾加ed动词以e结尾的，直接在词尾加d3、辅音加y结尾，变y为i加edIstudyinBeijing.IstudiedinBeijing.Study,copyCry,fly4、重读闭音节结尾，双写词尾字母加edshestops.shestopped.5、特殊Igotoschoolbybikeeveryday.Iwenttoschoolbybikeyesterday.例如：have/has—had,go---went,eat---ate,say--saidthink—thought,come--came不规则动词练习Ithinkyouareright.Ithoughtyouwereright.Sheeatsanappleeveryweek.Sheateanappleanhourago..3、一般将来时TheFutureSimpleTense教学重、难点一般将来时相对于讲话时间将要发生的动作或情况2.时间状语（判断标准）：tomorrow明天nextweek下周thedayaftertomorrow后天soon不久inthefuture在将来in+一段时间多久之后才...TheFutureSimpleTense1.will+动词原形(I/weshall)2.begoingto+动词原形3.be+v-ing4.一般现在时表将来结构1.will/shall＋v原形表示一个将来的动作或状态，“要…,会…”Eg.1)Shewillgototheparktomorrow.2)IwillreturnhomeassoonasIfinishmytask.2、begoingto+v原形①表示打算做某事②表示现在已经有迹象表明将要发生某事。---What________________dothisevening?---Iamgoingtodomylessons.看那些乌云要下雨了.Lootatthedarkclouds.It__________rain.isgoingtoareyougoingto3.be+v-inggo,come,leave,start,arrive,stay,fly,land,takeoff等动词可用现在进行时表示安排和计划或即将发生的动作。我们明天动身去青岛.We’releavingforQingdao.6.表示与生日,日历,课时安排或交通时刻表有关的动作(一种规律)，用一般现在时表示将来时态常用于转移动词如：★(begin,come,leave,go,arrive,start,stop,return,open,close…）Eg.1、Theeveningclassbeginsat19:00.2、Thetrainstartsattwo.If条件句中，动词用一般现在时表将来。Ifwehurry,wemaycatchthebus.如果我们快点的话，我们也许会赶上公交车Ifitrainstomorrow,thetravelwillbecanceled.如果明天下雨的话，旅游将取消。1.—Whatareyougoingtodothisafternoon?—Iamgoingtothecinemawithsomefriends.Thefilm_____quiteearly,sowe____tothebookstoreafterthat.A.finished;aregoingB.finished;goC.finishes;aregoingD.finishes;goExercise:2.Myyoungerbrother____be15yearsoldnextyear.A.isgoingtoB.willC.istoD.should1.Theagreement__________comeintoforcenextyear.2.I’mnotfeelingwell,andI_______gotoseeadoctor.3.Ifyou________(don’tpass)theexam,youwillbecriticizedbyyourparents.willwilldon’tpass5.How_____you_________spendyourholiday?•—I’vedecidedtorepaintthisroom.—Oh,haveyou?Whatcolour____you_______paintit?•—TheweatherissoniceandIamgoingtositinthegarden.—That’sagoodidea.I_________joinyou.willaregoingtoaregoingto4、现在进行时ReviewofthePresentContinuousTense教学重、难点：知识要点：一.现在进行时的定义:现在进行时是表示现在、说话瞬间或当前一直正在做着的动作.Eg:1.JennyiswatchingTVnow.2.Iamwriting.五