初中动词时态ppt课件

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1、 Mr.F 一般现在时 用法：用法：经常性的和习惯性的动作经常性的和习惯性的动作常用时间状语常用时间状语：usually,sometimes,in spring,every day,in the morning动词构成动词构成：动词原型动词原型.work 动词动词+S.（主语是第三人称单数）（主语是第三人称单数）works否定构成否定构成 ：dont+动原动原 doesnt+动原动原一般现在时一般疑问构成及简答一般疑问构成及简答：Do+主语主语+动原动原+其它？其它？Yes,I do.Does+主语主语+动原动原+其它其它？No,he doesnt.特殊疑问举例特殊疑问举例：What do y

2、ou often do on Sundays?Where does he live?注意：start,leave,go,come等的一般现在时可表示按规定要发生的未来动作，如列车将离开。客观真理在从句中也用一般现在时.一般现在时的用法1)经常性或习惯性的动作，常与表示频度的时间状语连用。Ileavehomeforschoolat7everymorning.2)客观真理，客观存在，科学事实。Theearthmovesaroundthesun.ShanghailiesintheeastofChina.3)表示格言或警句中。Pridegoesbeforeafall.骄者必败。4)现在时刻的状态、能力

3、、性格、个性。Idontwantsomuch.AnnWangwritesgoodEnglishbutdoesnotspeakwell.练习1-_theyoften_theseoldmen?-Yes,they_.A.Do;help;areB.Are;helping;areC.Do;help;doD.Are;helped;are2Theyusually_TVintheevening.A.watchB.willwatchC.arewatchingD.watches3.Thesun_intheeastand_inthewest.A.raises;setB.rise;setsC.rises;setsD.

4、rises;setCDC现在进行时 用法用法：说话时正在进行的动作或说话时正在进行的动作或当当前一段时间正在进行的动作前一段时间正在进行的动作 常用时间状语常用时间状语：am/is/are+现在分词现在分词(-ing)am/is/are working 动词构成动词构成：now,these days否定构成否定构成：am/is/are+not+现在分词现在分词一般疑问构成及简答：一般疑问构成及简答：Am/Is/Are+主语主语+现在分词现在分词+其它？其它？Yes,I am(he is.)No,they arent特殊疑问举例：Whatareyoudoingnow?Whoisflyingaki

5、tethere?注意：注意：go,come,leave,arrive,return,die等的进等的进 行时可行时可表示即将要发生的动作表示即将要发生的动作.有时表示即将发生的动作。有时表示即将发生的动作。现在进行时的基本用法：a.表示现在(指说话人说话时)正在发生的事情。Wearewaitingforyou.b.习惯进行：表示长期的或重复性的动作，说话时动作未必正在进行。Mr.Greeniswritinganothernovel.(说话时并未在写，只处于写作的状态。)c.表示渐变的动词有：get,grow,become,turn,run,go,begin等。Theleavesareturni

6、ngred.Itsgettingwarmerandwarmer.d.与always,constantly,forever等词连用，表示反复发生的动作或持续存在的状态，往往带有说话人的主观色彩.Youarealwayschangingyourmind.练习()1_you_yourhomeworknow?A.Do;doingB.Are;doingC.Were;doingD.Does;do()2_yourmother_shoppingatthemoment?A.Are;doingB.Is;doingC.Is;takingD.Are;taking()3_thechildren_theradio?A.I

7、s;listeningB.Is;listeningtoC.Are;listeningtoD.Are;listeningBCC一般将来时用法：将来会出现或发生的动作常用时间状语：thisevening,tomorrow,nextmonth,inafewminutes,attheendofthisterm动词构成:I,will/shall+动原2,am/is/aregoingto+动词原型3,am/is/are(about)+动词不定式4,am/is/are+coming等现在分词以work为例:will/shallworkam/is/aregoingtoworkam/is/are(about)t

8、oworkam/is/arecoming/leaving否定构成：will/shallnotam/is/arenot特殊疑问句举例:Whatwillyoudotomorrow?Whenarewegoingtohaveaclassmeeting?备注：在if条件或assoonas等时间状语从句中用一般现在时代替一般将来时。（主将从现）Ifitrainstomorrow,Iwillstaysthome.Iwillstayathomeassoonasitrainstomorrow.一般将来时1)shall用于第一人称，常被will所代替。will在陈述句中用于各人称，在争求意见时常用于第二人称。Wh

9、ichparagraphshallIreadfirst.Willyoubeathomeatseventhisevening?2)begoingto+不定式，表示将来。a.主语的意图，即将做某事。Whatareyougoingtodotomorrow?b.计划，安排要发生的事。Theplayisgoingtobeproducednextmonth。c.有迹象要发生的事Lookatthedarkclouds,thereisgoingtobeastorm.3)be+不定式表将来，按计划或正式安排将发生的事。WearetodiscussthereportnextSaturday.4)beaboutto

10、+不定式，意为马上做某事。HeisabouttoleaveforBeijing.注意：beaboutto不能与tomorrow,nextweek等表示明确将来时的时间状语连用练习1Lookattheclouds._.A.ItsgoingtorainB.ItllberainingC.ItwillberainedD.Ifitrains2There_twoEnglishfilmsnextweek.A.isgoingtobeB.aregoingtohaveC.willhaveD.aregoingtobeAD一般过去时用法：过去时间发生的或过去经常性的动作常用时间状语：yesterday,last ni

11、ght,two days ago,in 2000,at that time,before，when 等引导的含 过去时的句子。动词构成：动词过去时（-ed）worked/used to work否定构成：didnt+动原 didnt work used not(didnt use)to work 一般疑问构成及简答举例：Did+主语+动原+其它？特殊疑问句举例：What did he do yesterday?When did he get up this morning?备注：He has opened the door.（表示过去“开门”的动作对现在的影响是门还开着）He opened t

12、he door.(不能确定门现在是否开着)一般过去时的用法1）在确定的过去时间里所发生的动作或存在的状态。Wheredidyougojustnow?2）表示在过去一段时间内，经常性或习惯性的动作表示在过去一段时间内，经常性或习惯性的动作。WhenIwasachild,Ioftenplayedfootballinthestreet.WhenevertheBrownswentduringtheirvisit,theyweregivenawarmwelcome练习()1_hereandaskhimaboutityesterday?A.DidyoucomeB.WouldyounotgoC.Youdid

13、ntcomeD.Arentyougo()2_he_agoodtimelastSunday?A.Were;wereB.Did;doC.Did;hasD.Did;have()3ThestudentshardlystudiedtheEnglishlanguage,_they?A.didB.didntC.wereD.werentADA现在完成时用法:1、发生在过去的动作且对现在仍有影响的动作，强调对现在的影响.2、从过去一直延续到现在的动作常用时间状语：already,just,never,before,recently,in the past few years,ever,so far,since+

14、过去的点时 间,for+段时间动词构成：have/has+过去分词(-ed)have/has worked否定构成：have/has not+过去分词一般疑问构成：Have/Has+主语+过去分词?特殊疑问句举例：What have you done recently?How long has he lived in Beijing?备注：暂时性动词不能与for,since,How long等 表示段时间 的短语同时使用。比较过去时与现在完成时1）过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时为过去发生的，强调过去的事情对现在的影响，强调的是影响。2）过去时常与具体的时

15、间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。一般过去时的时间状语:yesterday,lastweek，ago,in1980,inOctober,justnow,具体的时间状语现在完成时的时间状语for,since,sofar,ever,never,just,yet,till/until,uptonow,inpastyears,always,共同的时间状语:thismorning,tonight,thisApril,now,once，before,already,recently，lately练习1_you_thenovelthatIlentyoulastweek?A.Di

16、d;finishB.Have;finishedC.Are;finishedD.Do;finish2He_inourschoolfor20yearsandhe_herein1977.A.hastaught;cameB.hastaught;hascomeC.taught;cameD.hasteached;hascame3Theyarelate.Thefilm_forfiveminutes.A.hasbegunB.hasstartedC.hasbeenonD.beganBAC过去进行时用法：过去某一时刻或某一段时间内正在发生 的动作常用时间状语：at this time yesterday,at t

17、hat time,at ten oclock yesterday或when引导的从句动词构成：was/were+现在分词(-ing)以以work为例：为例：was/were working否定构成：否定构成：was/were not+现在分词现在分词一般疑问构成及简答举例一般疑问构成及简答举例:Was/Were+主语主语+现在分词现在分词+其其它？它？Yes,I was No,I wasnt特殊疑问句举例：特殊疑问句举例：What were you dong this time yesterday?Where was he standing when the teacher came in?练

18、习()1_theBlacks_TVatsevenyesterday?A.Did;watchB.Are,watchingC.Were;watchingD.Do;watch()2Thescientist_awalkinhisgardenatfourlastSunday.A.wastakingB.wouldtakeC.tookD.wastaken()3What_fromninetotenlastnight?A.didyoudoB.hadyoudoneC.haveyoudoneD.wereyoudoingCAD过去将来时用法：从过去某时间来看将要发生的动作或状态，常用于宾从或间接引语常用时间状语：th

19、e next week等 动词构成：1、would/should+动原 2、was/were going to+动原 3、was/were(about)to+动原以work为例：would/should work was/were going to work was/were(about)to work否定构成：would/should not was/were not特殊疑问句举例：特殊疑问句举例：He asked what they would do the next week.过去完成时用法：1、过去某时间或动作之前完成的动作或状态(过去的过去)。2、过去某一时间的动作延续到过去另一时间常用时间状语：by that time,by the end of ,when/before+从句，said/knew/asked的宾从中动词构成动词构成:had+过去分词过去分词(-ed)以以work为例：为例：had worked否定构成否定构成:had not+过去分词过去分词一般疑问构成：一般疑问构成：Had+主语主语+过去分词过去分词+其它？其它？Yes,I had.No,I hadnt.特殊疑问句举例：特殊疑问句举例：How many English words had you learned by the end of last term?see u next time