Unit3OnlinetoursGrammar课件牛津译林版八年级英语下册

牛津译林版八年级英语下册Unit3OnlinetoursGrammar1.Tounderstandthedifferencesbetweenthesimplepasttenseandthepresentperfecttense.2.Tograsptheexpressionswiththepresentperfecttense.3.Tograsptheexpressionswiththesimplepasttense.4.Tounderstanddifferentusesofthepresentperfecttense.Learningtargets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.isfamousforgoodplacetogoheardofthreedaysagohasworkedsinceRevisionGreatworksareperformednotbystrengthbutbyperseverance1.Whodesigned‘Aroundtheworldineighthours’?ItisdesignedbyNancyJackson.2.Whatisthemaincharactercalled?HeiscalledItchyFeet.3.Inwhatcoloraretheplacesyouhavevisitedmarked?Theyaremarkedinbrightpurple.Revision区

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结

构Danieldidn’tgo

toBeijing

twoyearsago.Danielhasn’tlivedinBeijingfortwoyears.否定句助动词不同时间不同动词形式不同Greatworksareperformednotbystrengthbutbyperseverance区

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结

构一般疑问句DidDanielgo

toBeijing？HasDaniellivedinBeijing？助动词不同动词形式不同GreatworksareperformednotbystrengthbutbyperseveranceDifferencesbetweenthesimplepasttenseandthepresentperfecttense(一般过去时态和现在完成时态的区别)Tense(时态)Concept(概念)thesimplepasttense

（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；过去某时发生的动作，和现在______（有/没有）关系。thepresentperfecttense

（现在完成时）持续到现在的动作或状态；强调过去的事情对现在的影响;到目前为止，动作发生的次数；过去发生的某一动作对现在造成的结果或产生的影响，强调和现在_____（有/没有）关系。没有有GreatworksareperformednotbystrengthbutbyperseveranceTense(时态)Structure(结构)thesimplepasttense

（一般过去时）肯定句：主语+动词过去式+其他否定句：主语+didn't+动词原形+其他一般疑问句：Did+主语+动词原形+其他+？thepresentperfecttense

（现在完成时）肯定句：主语+have/has+动词过去分词+其他否定句：主语+haven't/hasn't+动词过去分词+其他一般疑问句：Have/Has+主语+动词过去分词+其他+？GreatworksareperformednotbystrengthbutbyperseveranceMillie:___________________(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?HaveyoueverbeenhavebeendidyougospentDoyoulikeGreatworksareperformednotbystrengthbutbyperseveranceSimon:Ohyes.I(6)_____(have)agreattimethere.I(7)______(visit)manyplacesofinterestand(8)____(eat)lotsoflocalfood.Millie:Luckyyou!I(9)_______________(be/never)there.hadvisitedatehaveneverbeenGreatworksareperformednotbystrengthbutbyperseverance区

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结

构特殊疑问句WhendidDanielgo

toBeijing？WhenhasDaniellivedinBeijing？助动词不同动词形式不同GreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent.Daniel已经在北京居住两年了。DanielhaslivedinBeijingfortwoyears.GreatworksareperformednotbystrengthbutbyperseverancepastpresentPresentationWeusesimplepasttensetotellwhathappenedinthepast.Daniel两年前去了北京。DanielwenttoBeijingtwoyearsago.GreatworksareperformednotbystrengthbutbyperseveranceACompletehissentenceswiththecorrectformsofthewordsinbrackets.I___________(visit)thePalaceMuseumwithmygrandparentstheotherday.I___________(climb)Mount

HuanglastSummer.havevisitedclimbedGreatworksareperformednotbystrengthbutbyperseverance区

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时间标志词Daniel

went

toBeijing

twoyearsago.DanielhaslivedinBeijingfortwoyears.MrWuvisitedCanada

in2010and2011.MrWuhasbeentoCanada

twice.一般过去时...ago,last...,in+过去的年份/月份/星期现在完成时（句中）just,never,ever,already,for/since+时间

（句末）yet,inthepast,overtheyears,recently,onceGreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethesimplepasttensetotellwhathappenedinthepast.Greatworksareperformednotbystrengthbutbyperseverance1.三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.kepthaskeptExercisesGreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethepresentperfecttensetotalkabouttheresultofanaction.Whentheactionhappenedisnotveryimportant.Itmayhavejusthappenedorhappenedsometimeago.GreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethepresentperfecttensetotellhowmanytimesanactionhashappenedtillnow.吴老师已经去过加拿大两次。MrWuhasbeentoCanadatwice.GreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethesimplepasttensetotellwhathappenedinthepast.吴老师2010年和2011年访问过加拿大。MrWuvisitedCanadain2010and2011.GreatworksareperformednotbystrengthbutbyperseveranceTense(时态)Thetimeexpressions(时间表达)thesimplepasttense

（一般过去时）过去时间点：justnow,atthattime,yesterday,thismorning,threeyearsago等过去时间段：inthepast,in+过去的年份,lastweek,onceuponatime等thepresentperfecttense

（现在完成时）副词作标志词：just,already,yet,since+时间点/（时间段+ago）/一般过去时句子;for+时间段表示次数的时间状语：once,twice,threetimes,ever,neverGreatworksareperformednotbystrengthbutbyperseverance1.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.visitedhavevisitedExercisesGreatworksareperformednotbystrengthbutbyperseveranceSimonisshowingMilliesomepictures.Completehissentenceswiththecorrectformsofthewordsinbrackets.I__________(visit)thePalaceMuseumwithmygrandparentstheotherday.I____________(climb)MountHuanglastSummer.visitedclimbedGreatworksareperformednotbystrengthbutbyperseverancebebuyreadreturnseeshowSaturday,15MarchHaveyoueverdreamtoftravellingaroundtheworldwithoutapassport?Yes,youcanrealizeyourdreambytakinganonlinetour.YesterdayDanniel(1)_________meanonlinetouroftheUSA.I(2)_____never_____somanywonderfulpictruesbefore.showedhaveseenGreatworksareperformednotbystrengthbutbyperseverance2.I__________(write)anemailtomyfriendyesterday.Daniel_________________(write/already)twoemails.1.I________________(finish/just)myhomework.Millie__________(finish)herhomework20minutesago.hasalreadywrittenhavejustfinishedwrotefinishedGreatworksareperformednotbystrengthbutbyperseverance_______youever________(try)thefamousTianjinBaozi?HavetriedIamhappythatI___________(learn)toswim.havelearntGreatworksareperformednotbystrengthbutbyperseverance1.dreamof/aboutdoingsth.梦想做某事dream-dreamed/dreamt-dreamed/dreamt2withoutapassport:没有护照3.realizeyourdreambydoingsth.

通过...来实现你的梦想4.placesofinterest名胜古迹5.returnfromtheUSA从美国回来returnto...6.someday:未来某一天,通常和将来时连用theotherday=afewdaysago,通常和过去时连用GreatworksareperformednotbystrengthbutbyperseverancePractice选择填空(1).A:I’veseenthefilmTheSoundofMusicalready.

B:When_____you____it?A:Thedaybeforeyesterday.A.have;seenB.will;seeC.did;seeD.did;seen(2)MrBlack_____inChinasincefiveyearsago.A.livedB.haslivedC.livesD.isgoingtolive(3).We_____treeslastSunday.Sofarwe_____over300treesthere.A.planted;plantedB.planted;haveplantedC.haveplanted;plantedD.haveplanted;haveplantedCBBGreatworksarep