八年级英语下册 Unit 1 Past and Present Grammar课件 （新版）牛津版.ppt

8BUnit1PastandPresentGrammar,1.Tomasterthestructureandbasicusageofpresentperfecttense(PPT).（掌握现在完成时的基本结构、用法。）2.Tolearntherulesofformingthepastparticipleofverbs.（学习动词的过去分词变化规则。）3.TolearnsometimeexpressionsusuallyusedinPPT.（学习常用在现在完成时里的时间表达方式。）,Learningaims,HowlonghasMr.ChenlivedinSunshineTown?2.CanMr.Chenseehisoldfriendsasoftenasbefore?,Hehaslivedheresincehewasborn.,No.Becausemostofhisoldfriendshavemovedaway.,Lead-inAskandanswer,have+done(动词过去分词),presentperfecttense,Ivejusteatenit.Youvechanged.Wehavelivedheresincethen.Haveyouseenmyfood？Haveyouevermovedhouse?Hasthetownchangedalotovertheyears?,Pre-task:Moreexamples,Trytofindmoresentenceswithhave/has+doneinthebook.,Whendoweusepresentperfecttense?,While-task,Task1:Learnbyyourselves,Weusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent.表示过去开始，现在还在继续的动作。,Weusethepresentperfecttensetotalkaboutanactionthathappenedinthepastandhasaconnectionwiththepresent.表示过去发生的或已完成的动作对现在造成的影响或结果。,Past,present,Eddiehaseatenmyfood.,Discuss:WhatsthebasicstructureofPPT?,Task2:Groupwork,Have/Has+主语+动词的过去分词？,一般疑问句,already:表示已经发生（肯定）ever:表示“曾经”（否定句/疑问句）for:表示一段时间just:表示“刚刚”never:表示“从不”（否定句）recently:表示“最近”since:表示“自-以后”yet:表示“已经”或者“还没有”（疑问句/否定句）,Adverbsoftime,1.I_(have)lunchalready.2.Hasthetrain_(arrive),yet?3.Tome_never_(beto)China.4.Thetwin_just_(see)myfather.5.Thetwins_(see)myfatherjustnow.,havehad,arrived,has,beento,has,seen,saw,Exercises,Weusethesimplepasttensetotalkaboutwhathappenedatadefinitetimeinthepast.（一般过去时谈论在过去的特定时间发生的事）,Howtoformthepastparticipleofverbs?,Task3:Learntherules,movelive,:,repairfinish,repairedrepairedfinishedfinished,movedmovedlivedlived,verbed,以e结尾d,stopplan,stoppedstoppedplannedplanned,双写ed,studyhurry,studiedstudiedhurriedhurried,去yied,写出下列动词的过去式和过去分词,写出下列动词的过去式和过去分词:,begiveseemakeputcomewrite,was/werebeengavegivensawseenmademadeputputcamecomewrotewritten,注:不规则动词见书上122页不规则动词表.,1borrow2hope3make4get5plan6cry,7send8watch9say10grow11hit12enjoy,1borrow2hope3make4get5plan6cry,borrowedhopedmadegotplannedcried,sentwatchedsaidgrownhitenjoyed,Task4:FinishPartAonpage14,1They_(finish)theirhomeworkalready.2John_never_(visit)China.3Mr.Li_(repair)overtenbicyclessinceMonday.4We_(notsee)eachotherforyears.5Myparents_(notcome)backyet.6.Ourteacher_(teach)usalotaboutthehistoryofChina.,havefinished,hasvisited,hasrepaired,haventseen,hastaught,haventcome,Task5:FinishPartBonpage14,M:_you_(see)anyfilmsrecently,Sandy?S:No,Ihavent.Whataboutyou?M:Well,I_(see)onelastSaturday.S:Whatisitabout?M:ItsaboutthechangesinBeijingoverthepastcentury.Fromthisfilm,I_(learn)moreaboutBeijingspastandpresent.S:Oh,IthinkI_(hear)aboutthefilm.Doyouplantoseeitagain?M:Yes,Idliketo.,Have,seen,saw,haveheard,havelearnt,Task6:FinishPartConpage14,1She_(wait)fortwohoursalready.2They_(notfinish)theprojectyet.3_you_(hear)frommysisterrecently?4Mark_(be)therefortwodays.5_theyever_(stay)athomealone?6I_never_(watch)thisfilm.7Daniel_just_(arrive)home.8We_(noteat)anythingsincethen.,haswaited,haventfinished,Have,heard,hasbeen,Have,stayed,watched,have,has,arrived,haventeaten,Task7:Fillintheblanks,Task2:Feedbackwhatwehavelearnttoday,Post-task,Task1:Exercisesinclass,一、写出下列词的过去分词1.be_2.become_3.begin_4.blow_5.build_6.choose_7.cost_8.do_9.drink_10.eat_11.drive_12.fall_13.fly_14.forget_15.know_,fallen,known,forgotten,flown,become,begun,built,cost,done,been,chosen,blown,drunk,eaten,driven,二、根据旬意及中文提示完成单词1.IhaveonlystartedtolearnFrench_（近来）2.-Hasthetrainarrived_(还,仍)?-Yes,itarrivedtenminutesago.3.HowlonghasMrSmith_(教)Englishsofar?4.Therehavebeengreat_(改变)inAmericasinceIleftthere.5.NocountryhasmadesuchprogressasChineseinthe_（过去的）thirtyyears.,recently,past,changes,taught,yet,三、用括号中所给动词的适当形式填空1.He_(wait)foranhour.2.I_(notfinish)theworkyet.3._you_(know)himsincethen?4.I_(nothear)frommybrotherforalongtime.5.We_(be)theremanytimessince3yearsago.,havebeen,haswaited,haventfinished,Haveknown,haventheard,四、单项选择()1.Ihaventseenyou_lastFridayA.forB.sinceC.fromD.on()2.Oh,you_thecomputergamefortwohours.Itsbadforyoureyes.Stop,please!A.playedB.haveplayedC.wereplayingD.play()3.IwontgototheshowbecauseI_myticket.A.loseB.dontloseC.havelostD.willlost()4.-_mydictionary?-Yes.Isawitonyourdeskamomentago.A.HaveyouseenB.DoyouseeC.HadyouseenD.Wouldyouseen,B,A,C,B,()5.-_haveyoubeenhere?-3years.A.HowoftenB.HowlongC.HowfarD.How()6-MayIgotoplaytenniswithyou,Dad?-_you_yourhomeworkyet?A.Are,finishingB.Did,finishC.Will,finishD.Have,finished()7.-DoyouknowthemovieLostInThailand?-Yes