精讲初中五种时态一般现在时的,一般过去式,现在进行,现在完成时,一般将来时

•动词的时态•初中英语的动词时态主要有五种:一般现在时,一般过去时,一般将来时,现在进行时,现在完成时.•1.一般现在时：•构成:主要由动词原形表示，但在第三人称单数时要在词尾加-s。否定句和疑问句要用助动词do,does.•一般现在时的标志性时间：every(year,otherday,twodays,week,month…),often,always,usually,sometimes,inthemorning,insummer,onSunday•用法3种情况A.经常性或习惯性的动作。如Thetreesgetgreeninspring.。B现在特征或状态。如TheChangjiangRiveristhelongestinourcountry.Hedoesn`tworkinthefactory.C.普遍真理。如Thesunrisesintheeast.Fiveandtwoinseven.•否定形式：1.don’t+动词原形Idon’tlikeit.Theydon’tlikeit.2.当主语是第三人称单数时，则为:doesn’t+动词原形Hedoesn’tlikeit.•一般疑问句：把do或does放在主语的前面，后面动词用原形Doyoulikeit?DoesAnnlikeit?Doeshelikeit?•2现在进行时：•构成：句子的结构如下：beamis+动词的“－ing”形式are标志性时间now•用法•A,主要表示现在或现阶段正在进行的动作。如：1.Iamlisteningtothemusicnow.2.Thestudentsaredrawingpicturesnow.3.Listen!Sheissinging.4.Look!MrLiisridingabike.B,有些动词的现在进行时表示近期按计划或安排要进行的动作。这些动词是：go,come,leave,start,arrive,return,worksleep,stay,play,do,have,wear…..Sheiscomingtoseemetomorrow.•其中，动词的ing形式变化规则：A.在动词后直接加ing:go-going,wash-washing,fly—flyingB.以单个元音+单个辅音+e结尾，去掉e加ing,如：drive—driving,ride--ridingC.某些单词要双写词尾的字母：swim-swimmingrun—runningget--getting•一、选择题练习•1.Who____overtherenow?A.singingB.aresingC.issingingD.sing•2.It’seighto’clock.Thestudents_____anEnglishclass.•A.haveB.havingC.ishavingD.arehaving•3.Listen!Thebaby_____inthenextroom.A.cryingB.criedC.iscryingD.cries•4.Look!Thetwins_____newsweaters.•A.arewearingB.wearingC.arewearD.iswearing•5.Don’ttalkhere.Grandparents_____.A.issleepingB.aresleepingC.sleepingD.sleep•6.Tomisaworker.He_____inafactory.Hissisters_____inahospital.•A.work/workB.works/workC.work/works•7.Who_____Englishbestinyourclass?A.speakB.speaksC.speaking•8.MrsRead_____thewindowseveryday.A.iscleaningB.cleanC.cleans•9.We_____musicandoften_____tomusic.•A.like/listenB.likes/listensC.like/arelistening•10.She_____upatsixinthemorning.A.getB.getsC.getting•11.OnSundayhesometimes_____hisclothesandsometimes_____someshopping.•A.wash/doB.iswashing/isdoingC.washes/does•12.Thetwinsusually____milkandbreadforbreakfast,butJim_____somecoffeeforit.•A.have/haveB.have/hasC.has/have13.It’snineten.Thestudents______amusicclass.A.haveB.havingC.arehaving•14.Istheman_______teaormilk?A.drinksB.drinkC.drinking•二、用所给单词的正确形式填空填空：•1.Myfatheralways__________(come)backfromworkverylate.•2.Theteacherisbusy.He__________(sleep)sixhoursaday.•3.Listen!Joan__________(sing)intheclassroom.Sheoften__________(sing)there.•4.__________yourbrother__________(know)Japanese?•5.Where__________you__________(have)luncheveryday?••6.Thegirl__________(like)wearingaskirt.Look!She__________(wear)aredskirttoday.•７．Myparents_______（watch）TVnow.８.Look.Threeboys_______（run）.９.What_______yourmother_______（do）now?10._______yourdog_______now?（sleep）•11._______you_______（listen）tomusic?Yes,Iam.12.Look,MissChen_______（play）football.13.Tomandhissister_______（wait）foryouoverthere.14.NowClass3andClass4_______（have）atest.15.Listen,someone_______（sing）intheclassroom.16.——WhereisZhangYan?——She_______（talk）withherteacherintheteacher’soffice.•3.按要求进行句型转换：1.Look!Lilyisdancing.（改为一般疑问句）________________________________________________2.Kateislookingforherwatch.（改为否定句）________________________________________________3.MrsWhiteiswatchingTV.（对划线部分提问）________________________________________________4.Iamdoinghomework.（改为否定句）________________________________________________5.Theyarewaitingforyouatthelibrary.（就划线部分提问）________________________________________________•3．一般将来时：•构成：will/shall＋动词原形——表示将来发生的动作或将来存在的状态表示一种倾向或一种固有特性或经常发生的动作begoingto＋动词原形——标识即将发生的或最近打算进行的事标志性时间：tomorrow,nextmonth,intwodays,Itwon’traintonight.Ishallmeetyouatthestation.•适应情况：主要表示将要发生的动作或情况。Heisgoingtohaveaswimtomorrow.•特殊情况：有些动词如go,come,leave,arrive，start,move等位置移动词可用现在进行时表示将要发生的动作。•四、肯定句•在肯定句中，一般将来时的结构为：主语＋be（am/is/are）+goingto＋动词原形＋其它或主语＋will＋动词原形＋其它。如：•1、Theyaregoingtovisittheirteachertomorrow．他们明天要去看望他们的老师。•2、Somedayyourdreamswillcometrue.有一天你的梦想会实现。•3、ShallIgowithyou?•4、Withoutairalivingthingwilldie.没有空气生物会死亡。（固有特性）•5、Whenitgetswarmerthesnowwillstarttomelt.当天气变得更暖和一点，雪将开始融化。（倾向）•五、否定句•在否定句要在be的后面加not：主语＋be（am/is/are）+not+goingto＋动词原形＋其它或主语＋will+not+动词原形＋其它。如：•1、Iamnotgoingtoplayfootballafterschool．我不打算踢足球。•2、theywon’tusethesebooks.我们不打算用这些书。•六、疑问句•一般疑问句结构为：Be（am/is/are）＋主语＋goingto＋动词原形＋其它?或will+主语＋动词原形＋其它?如：•1、Areyougoingtoreadbookstonight?•－Yes，Iam．－No，Iamnot．•2、Ishegoingtobuyacomicbookthismorning?•－Yes，heis．－No，heisnot．•3、Willstudentsgotoschooltomorrow?•-Yes,theywill.–No,theywon’t.•特殊疑问句结构为：特殊疑问词＋be（am/is/are）＋主语＋goingto＋动词原形＋其它或特殊疑问词＋will+主语＋动词原形＋其它?如：•1.Whatisshegoingtodothisevening?•--Sheisgoingtovisithergrandparents．•2.Wherewilltheygotomorrow?•--Theywillgotothepark.•一般将来时练习:•()1.There__________ameetingtomorrowafternoon.•A.willbegoingtoB.willgoingtobeC.isgoingtobeD.willgotobe•()2.Charlie________herenextmonth.•A.isn’tworkingB.doesn’tworking•C.isn’tgoingtoworkingD.won’twork•()3.He________verybusythisweek,he________freenextweek.•A.willbe;isB.is;is•C.willbe;willbeD.is;willbe•()4.There________adolphinshowinthezootomorrowevening.•A.wasB.isgoingtohave•C.willhaveD.isgoingtobe•()5.–________you________freetomorrow?•–No.I________fr