Unit 3 Grammar-江苏省盐城市亭湖区永丰初级中学八年级英语下册课件(共45张PPT).ppt

8下Unit3Grammar,Simplepasttense&presentperfecttense,1.Toreviewtheusesofsimplepasttense2.Toreviewtheusesofpresentperfecttense3.Tolearnthedifferencesbetweenthesimplepasttenseandpresentperfecttense,Simplepasttenseandpresentperfecttense一般过去时和现在完成时,passportn.护照,Newwords,dreamvi.&vt.做梦，梦想dreamabout/of想象；梦想e.g.Doyouoftendreamatnight?你在夜里经常做梦吗？Isometimesdreamaboutmyparents.我有时梦见我的父母。Idreamofbecomingateacher.我一心想当个教师。,自主先学,ReadthegramaronPage134.,MycousinateKFCyesterdayevening.Hehasalreadyeatenit.,TheygotmarriedonMarch20.Theyhavejustgotmarried.,WewenttoXiamenlastyear.Mostofyouhaventbeenthereyet.,MycousinateKFCyesterday.TheygotmarriedonMarch20.WewenttoXiamenlastyear.,Hehasalreadyeatenit.Theyhavejustgotmarried.Mostofyouhaventbeenthereyet.,simplepasttense一般过去时,presentperfecttense现在完成时,Thedifferencesbetweenthesetwotenses,simplepasttense一般过去时,presentperfecttense现在完成时,一般过去时表示在过去某个时间发生的动作或存在的状态，也表示过去经常或反复发生的动作。e.g.Hecamehereyesterday.2.现在完成时表示过去的动作（或者状态）对现在产生的影响和结果。e.g.Hehasbrokentheglass.,Differences:构成不同（1）TomwenttoLondonlastyear.(2)LilyhasbeentoLondontwice.一般过去时谓语动词用动词的过去式。现在完成时谓语动词用“助动词have/has+过去分词”,规则动词的变化Regularverbs,have/hasdone,+ed,-e+d,-y+ied,doubletheconsonant+ed,work,-worked-worked,play,-played-played,use,-used-used,live,-lived-lived,study,-studied-studied,hurry,-hurried-hurried,stop,-stopped-stopped,drop,-dropped-dropped,不规则动词的过去分词Irregularverbs,bought,done,did,ate,eaten,got,got,put,put,went,gone,bought,saw,seen,knew,known,understood,understood,took,taken,taught,taught,wrote,written,brought,brought,made,made,yesterdaythedaybeforeyesterday.agolastweekinOctober1stin1980justnowtheotherday,simplepasttense一般过去时,presentperfecttense现在完成时,alreadyyeteverneverjustrecentlybeforesofarovertheyearsuptonowoncemanytimesforsince,Keywords,Ihavereadthisbooksince2hoursago.Ihavealreadyreadthisbook.Ihavereadthisbooktwice.,Ireadthisbook2hoursago.,simplepasttense一般过去时,presentperfecttense现在完成时,一般过去时表示：过去某个时间里发生的动作或状态，与现在的情况无关。,现在完成时表示：1从过去持续带现在的动作，可能还会持续下去。2表示动作已完成，强调对现在造成的结果或影响。3表示某个动作已经发生的次数。,1.三年前他养了只猫做宠物。He_acataspetthreeyearsago.2.这只宠物猫他养了三年了。He_thepetcatforthreeyears.,kept,haskept,Exercises,1.我上个星期去参观了那个新动物园。I_thatnewzoolastweek.2.我已经参观过那个新动物园了。I_thatnewzoo.,visited,havevisited,Exercises,1.我上周看过这部电影。I_thismovielastweek.2.我已经看过这部电影很多次。I_thismoviemanytimes.,saw,haveseen,Exercises,Fillintheblanks:LastSunday,Tedandhisfather_(be)athome.They_(move)toanewhouse.Hisfather_(want)toputthebooksinsomeboxes,buthe_(cannot)findanyboxes.Ted_(tell)himtheboxes_(be)inthenextroom.Thenhe_(bring)theseboxestohisfather.,were,moved,wanted,told,couldnt,were,brought,1,IsTomdoinghishomework?No,he_(finish)hishomework.2.DoyouknowMissKing?No,butI_(hearof)herbefore.3.Whataboutthefilm?Sorry,Idontknow.I_(notsee)ityet.4._youever_(be)totheGreatWall?No,never.5.Helpyourself,please.No,thanks.Iamfull.I_just_(eat)threeeggs.,hasfinished,haveheardof,haventseen,Have,been,have,eaten,havebeen(to),havegone(to),havebeen(in),A:WhereisTom?B:He_toBeijing.A：Hasheever_there?B:Yes,he_toBeijingtwice.A:Howlonghashe_there?B:Hehas_Beijingforaweek.,times,forsometime,hasgoneto,been,hasbeento,been,beenin,stay,去了某地未回,去了某地已回,去了某地并在某地待一段时间,FinishPartAandBonPage41,A:SimonisshowingMilliesomepictures.Completehissentenceswiththecorrectformsofthewordsinbrackets.,I_(visit)thePalaceMuseumwithmygrandparentstheotherday.,I_(climb)MountHuanglastSummer.,visited,climbed,theotherday相当于afewdaysago,意为“几天前、某天、那天、不久前”，句中用一般过去时。如：Imetherinthestreettheotherday.几天前我在街上碰见过她。Iboughtthewatchtheotherday.这手表我是几天前买的。,_youever_(try)thefamousTianjinBaozi?,IamhappythatI_(learn)toswim.,Havetried,havelearnt,B:MrWuisaskingthestudentstomakesentenceswiththecorrecttenses.Helpthemcompletethesentenceswiththecorrectformsofthewordsinbrackets.,1.I_(finish/just)myhomework.Millie_(finish)herhomework20minutesago.2.I_(write)anemailtomyfriendyesterday.Daniel_(write/already)twoemails.,hasalreadywritten,havejustfinished,wrote,finished,3.I_(be)inHainanlastweek.Someofourclassmates_(notbe)toHainanyet.4.I_(live)inSunshineTownsinceIwasborn.Daniel_(live)inNanjingin2007.,was,lived,havelived,havennotbeen,C:MilliehasneverbeentoNanjing.SheisaskingSimonaboutthecity.Completetheirconversationwiththecorrectformsofthewordsinbrackets.,Millie:_(you/be/ever)toNanjing?Simon:Yes.I(2)_(be)therethreetimes.Millie:When(3)_(you/go)therelast?Simon:Lastsummer.I(4)_(spend)aweekthere.Millie:(5)_(you/like)it?,Haveyoueverbeen,havebeen,didyougo,spent,Doyoulike,Simon:Ohyes.I(6)_(have)agreattimethere.I(7)_(visit)manyplacesofinterestand(8)_(eat)lotsoflocalfood.Millie:Luckyyou!I(9)_(be/never)there.,had,visited,ate,haveneverbeen,D:MillieiswritingabouttheUSAinherdiary.Completeherdiaryentrywiththecorrectformsoftheverbsinthebox.,Saturday,15MarchHaveyoueverdreamtoftravellingaroundtheworldwithoutapassport?Yes,youcanrealizeyourdreambytakinganonlinetour.YesterdayDanniel(1)_meanonlinetouroftheUSA.I(2)_never_somanywonderfulpictruesbefore.,showed,haveseen,Lastweek,I(3)_abookabouttheplacesofinterestintheUSA.I(4)_20pagesalready.Itsreallyinteresting.Mydad(5)_just_fromtheUSA,butI(6)_never_there.IhopeIcanvisittheUSAsomeday.,havebeen,bought,haveread,has,returned,1)一般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。,Summary,2)一般过去时常与具体的时间状语连用，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,just,now等，皆为具体的时间状语。,现在完成时的时间状语：for,since,sofar,ever,never,just,yet,till/until,uptonow,inpastyears,always等时间状语。,3)现在完成时可表示持续到现在的动作或状态，动词一般是延续性的，如：live,teach,learn,work,study,know。一般过去时常用的非持续性动词有come,go,leave,start,die,finish,become,getmarried等。,1.()Ihavewatchedthegame.-When_you_it?Ahave,watchedBdo,watchCdid,watchDwill,watch,C,2.()Hisgrandma_fortwoyears.AdiedBhasbeendeadCwasdeadDhasdied,B,Exercises,3.()WhereisHanMeinow?-She_toShanghai.Shewillbebackintwodays.AhasgoneBhasbeenCgoesDhadgone,4.()Youhaventchangedyourmind,_?AdoyouBareyouChaveyouDdidyou,A,C,5.()-Wherehaveyou_thesedays?-Ihave_toBeijingwithmyfriends.Abeen,goneBbeen,beenCgone,beenDgone,gone6.()Howlonghaveyou_thisbook?AboughtBborrowedChadDlent,B,C,1.He_(wait)foranhour.2.I_(notfinish)theworkyet.3._you_(know)himsincethen?4.I_(nothear)frommybrotherforalongtime.5.We_(be)theremanytimessince3yearsago.,Fillintheblankswiththecorrectformsoftheverbs.,haswaited,haventfinished,Have,known,haventheard,havebeen,完成句子。1.北京因万里长城而著名。Beijing_theGreatWall.2.这条河是个钓鱼的好地方。Thisriverisa_fishing.3.我三天前听说过这件事。I_this_.4.自从2000年起，他就在上海工作了。He_inShanghai_2000.,isfamousfor,goodplacetogo,heardofthreedaysago,hasworkedsince,Finishofftheexercisesinworkbook.,Homework,