Unit3OnlinetoursGrammar課件牛津譯林版八年級英語下冊

牛津譯林版八年級英語下冊Unit3OnlinetoursGrammar1.Tounderstandthedifferencesbetweenthesimplepasttenseandthepresentperfecttense.2.Tograsptheexpressionswiththepresentperfecttense.3.Tograsptheexpressionswiththesimplepasttense.4.Tounderstanddifferentusesofthepresentperfecttense.Learningtargets完成句子。1.北京因萬里長城而著名。Beijing_____________theGreatWall.2.這條河是個釣魚的好地方。Thisriverisa_______________fishing.3.我三天前聽說過這件事。I_________this_______________.4.自從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區(qū)

別：

結

構Danieldidn’tgo

toBeijing

twoyearsago.Danielhasn’tlivedinBeijingfortwoyears.否定句助動詞不同時間不同動詞形式不同Greatworksareperformednotbystrengthbutbyperseverance區(qū)

別：

結

構一般疑問句DidDanielgo

toBeijing？HasDaniellivedinBeijing？助動詞不同動詞形式不同GreatworksareperformednotbystrengthbutbyperseveranceDifferencesbetweenthesimplepasttenseandthepresentperfecttense(一般過去時態(tài)和現(xiàn)在完成時態(tài)的區(qū)別)Tense(時態(tài))Concept(概念)thesimplepasttense

（一般過去時）表示過去某時發(fā)生的動作或單純敘述過去的事情，強調(diào)動作；過去某時發(fā)生的動作，和現(xiàn)在______（有/沒有）關系。thepresentperfecttense

（現(xiàn)在完成時）持續(xù)到現(xiàn)在的動作或狀態(tài)；強調(diào)過去的事情對現(xiàn)在的影響;到目前為止，動作發(fā)生的次數(shù)；過去發(fā)生的某一動作對現(xiàn)在造成的結果或產(chǎn)生的影響，強調(diào)和現(xiàn)在_____（有/沒有）關系。沒有有GreatworksareperformednotbystrengthbutbyperseveranceTense(時態(tài))Structure(結構)thesimplepasttense

（一般過去時）肯定句：主語+動詞過去式+其他否定句：主語+didn't+動詞原形+其他一般疑問句：Did+主語+動詞原形+其他+？thepresentperfecttense

（現(xiàn)在完成時）肯定句：主語+have/has+動詞過去分詞+其他否定句：主語+haven't/hasn't+動詞過去分詞+其他一般疑問句：Have/Has+主語+動詞過去分詞+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區(qū)

別：

結

構特殊疑問句WhendidDanielgo

toBeijing？WhenhasDaniellivedinBeijing？助動詞不同動詞形式不同GreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent.Daniel已經(jīng)在北京居住兩年了。DanielhaslivedinBeijingfortwoyears.GreatworksareperformednotbystrengthbutbyperseverancepastpresentPresentationWeusesimplepasttensetotellwhathappenedinthepast.Daniel兩年前去了北京。DanielwenttoBeijingtwoyearsago.GreatworksareperformednotbystrengthbutbyperseveranceACompletehissentenceswiththecorrectformsofthewordsinbrackets.I___________(visit)thePalaceMuseumwithmygrandparentstheotherday.I___________(climb)Mount

HuanglastSummer.havevisitedclimbedGreatworksareperformednotbystrengthbutbyperseverance區(qū)

別：

時間標志詞Daniel

went

toBeijing

twoyearsago.DanielhaslivedinBeijingfortwoyears.MrWuvisitedCanada

in2010and2011.MrWuhasbeentoCanada

twice.一般過去時...ago,last...,in+過去的年份/月份/星期現(xiàn)在完成時（句中）just,never,ever,already,for/since+時間

（句末）yet,inthepast,overtheyears,recently,onceGreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethesimplepasttensetotellwhathappenedinthepast.Greatworksareperformednotbystrengthbutbyperseverance1.三年前他養(yǎng)了只貓做寵物。He______acataspetthreeyearsago.2.這只寵物貓他養(yǎng)了三年了。He_________thepetcatforthreeyears.kepthaskeptExercisesGreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethepresentperfecttensetotalkabouttheresultofanaction.Whentheactionhappenedisnotveryimportant.Itmayhavejusthappenedorhappenedsometimeago.GreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethepresentperfecttensetotellhowmanytimesanactionhashappenedtillnow.吳老師已經(jīng)去過加拿大兩次。MrWuhasbeentoCanadatwice.GreatworksareperformednotbystrengthbutbyperseverancepastpresentWeusethesimplepasttensetotellwhathappenedinthepast.吳老師2010年和2011年訪問過加拿大。MrWuvisitedCanadain2010and2011.GreatworksareperformednotbystrengthbutbyperseveranceTense(時態(tài))Thetimeexpressions(時間表達)thesimplepasttense

（一般過去時）過去時間點：justnow,atthattime,yesterday,thismorning,threeyearsago等過去時間段：inthepast,in+過去的年份,lastweek,onceuponatime等thepresentperfecttense

（現(xiàn)在完成時）副詞作標志詞：just,already,yet,since+時間點/（時間段+ago）/一般過去時句子;for+時間段表示次數(shù)的時間狀語：once,twice,threetimes,ever,neverGreatworksareperformednotbystrengthbutbyperseverance1.我上個星期去參觀了那個新動物園。I_______thatnewzoolastweek.2.我已經(jīng)參觀過那個新動物園了。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.夢想做某事dream-dreamed/dreamt-dreamed/dreamt2withoutapassport:沒有護照3.realizeyourdreambydoingsth.

通過...來實現(xiàn)你的夢想4.placesofinterest名勝古跡5.returnfromtheUSA從美國回來returnto...6.someday:未來某一天,通常和將來時連用theotherday=afewdaysago,通常和過去時連用GreatworksareperformednotbystrengthbutbyperseverancePractice選擇填空(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