江蘇省東?？h橫溝中學(xué)八年級(jí)英語(yǔ)下冊(cè)Unit3OnlinetoursGrammar1課件(新版)牛津版

Unit3Grammar1.Tounderstandthedifferencesbetweenthesimplepasttenseandthepresentperfecttense.2.Tograsptheexpressionswiththepresentperfecttense.3.Tograsptheexpressionswiththesimplepasttense.4.Tounderstanddifferentusesofthepresentperfecttense.Learningtargets完成句子。1.北京因萬(wàn)里長(zhǎng)城而著名。Beijing_____________theGreatWall.2.這條河是個(gè)釣魚(yú)的好地方。Thisriverisa_______________fishing.3.我三天前聽(tīng)說(shuō)過(guò)這件事。I_________this_______________.4.自從2000年起，他就在上海工作了。He__________inShanghai______2000.isfamousforgoodplacetogoheardofthreedaysagohasworkedsincedreamvi.&vt.做夢(mèng)，夢(mèng)想dreamabout/of想象；夢(mèng)想e.g.Doyouoftendreamatnight?你在夜里經(jīng)常做夢(mèng)嗎？Isometimesdreamaboutmyparents.我有時(shí)夢(mèng)見(jiàn)我的父母。Idreamofbecomingateacher.我一心想當(dāng)個(gè)教師。Newwordspassportn.護(hù)照Daniel兩年前去了北京。DanielwenttoBeijingtwoyearsago.Daniel已經(jīng)在北京居住兩年了。DanielhaslivedinBeijingfortwoyears.Weusesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent.Presentation1.三年前他養(yǎng)了只貓做寵物。He______acataspetthreeyearsago.2.這只寵物貓他養(yǎng)了三年了。He_________thepetcatforthree years.kepthaskeptExercisesDaniel上個(gè)月買了臺(tái)新電腦。Danielboughtanewcomputerlastmonth.Daniel已經(jīng)買了臺(tái)新電腦。Danielhasboughtanewcomputer.(Danielhasanewcomputernow.)Weusethesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotalkabouttheresultofanaction.Whentheactionhappenedisnotveryimportant.Itmayhavejusthappenedorhappenedsometimeago.Presentation1.我上個(gè)星期去參觀了那個(gè)新動(dòng)物園。I_______thatnewzoolastweek.2.我已經(jīng)參觀過(guò)那個(gè)新動(dòng)物園了。I____________thatnewzoo.visitedhavevisitedExercises吳老師2010年和2011年訪問(wèn)過(guò)加拿大。MrWuvisitedCanadain2010and2011.吳老師已經(jīng)去過(guò)加拿大兩次。MrWuhasbeentoCanadatwice.Weusethesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotellhowmanytimesanactionhashappenedtillnow.Presentation1.我上周看過(guò)這部電影。I_____thismovielastweek.2.我已經(jīng)看過(guò)這部電影很多次。I__________thismoviemanytimes.sawhaveseenExercisesSimonisshowingMilliesomepictures.Completehissentenceswiththecorrectformsofthewordsinbrackets.I______(visit)thePalaceMuseumwithmygrandparentstheotherday.I________(climb)MountHuanglastSummer.visitedclimbed_____youever_____(try)thefamousTianjinBaozi?IamhappythatI___________(learn)toswim.HavetriedhavelearntMrWuisaskingthestudentstomakesentenceswiththecorrecttenses.Helpthemcompletethesentenceswiththecorrectformsofthewordsinbrackets.1.I________________(finish/just)myhomework.Millie________(finish)herhomework20minutesago.2.I______(write)anemailtomyfriendyesterday.Daniel_________________(write/already)twoemails.hasalreadywrittenhavejustfinishedwrotefinished3.I______(be)inHainanlastweek.Someofourclassmates_____________(notbe)toHainanyet.4.I__________(live)inSunshineTownsinceIwasborn.Daniel_____(live)inNanjingin2007.waslivedhavelivedhavennotbeenMilliehasneverbeentoNanjing.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?HaveyoueverbeenhavebeendidyougospentDoyoulikeSimon:Ohyes.I(6)_____(have)agreattimethere.I(7)______(visit)manyplacesofinterestand(8)____(eat)lotsoflocalfood.Millie:Luckyyou!I(9)_______________(be/never)there.hadvisitedatehaveneverbeenMillieiswritingabouttheUSAinherdiary.Completeherdiaryentrywiththecorrectformsoftheverbsinthebox.bebuyreadreturnseeshowSaturday,15MarchHaveyoueverdreamtoftravellingaroundtheworldwithoutapassport?Yes,youcanrealizeyourdreambytakinganonlinetour.YesterdayDanniel(1)_________meanonlinetouroftheUSA.I(2)_____never_____somanywonderfulpictruesbefore.showedhaveseenLastweek,I(3)_________abookabouttheplacesofinterestintheUSA.I(4)_________20pagesalready.It’sreallyinteresting.Mydad(5)_____just_________fromtheUSA,butI(6)______never_______there.IhopeIcanvisittheUSAsomeday.bebuyreadreturnseeshowhavebeenboughthavereadhasreturnedWeoftenusethesetimeexpressionswiththesimplepasttense:

yesterdaytheotherdaylast......agoWeoftenusethesetimeexpressionswiththepresentperfecttense:alreadyuptonoweveruntil/tillnowjustsofarrecently(not)yetTips:someday和theotherday的區(qū)別：someday指將來(lái)“總有一天、有朝一日、終將、(日后)某一天”，謂語(yǔ)動(dòng)詞用一般將來(lái)時(shí)。如:Yourwisheswillcometruesomeday.總有一天你的愿望會(huì)實(shí)現(xiàn)的。Somedayyou’llhavetopayforwhatyouhavedone.總有一天你要為你的行為而付出代價(jià)的。Tips:someday和theotherday的區(qū)別：theotherday相當(dāng)于afewdaysago,意為“幾天前、某天、那天、不久前”，句中用一般過(guò)去時(shí)。如：Imetherinthestreetthe

otherday.幾天前我在街上碰見(jiàn)過(guò)她。Iboughtthewatchtheotherday.這手表我是幾天前買的。1)一般過(guò)去時(shí)表示過(guò)去某時(shí)發(fā)生的動(dòng)作或單純敘述過(guò)去的事情，強(qiáng)調(diào)動(dòng)作；現(xiàn)在完成時(shí)為過(guò)去發(fā)生的，強(qiáng)調(diào)過(guò)去的事情對(duì)現(xiàn)在的影響，強(qiáng)調(diào)的是影響。Summary2)一般過(guò)去時(shí)常與具體的時(shí)間狀語(yǔ)連用，而現(xiàn)在完成時(shí)通常與模糊的時(shí)間狀語(yǔ)連用，或無(wú)時(shí)間狀語(yǔ)。

一般過(guò)去時(shí)的時(shí)間狀語(yǔ)：yesterday,lastweek,…ago,in1980,inOctober,just,now等，皆為具體的時(shí)間狀語(yǔ)?，F(xiàn)在完成時(shí)的時(shí)間狀語(yǔ)：for,since,sofar,ever,never,just,yet,till/until,uptonow,inpastyears,always等，皆不確定的時(shí)間狀語(yǔ)。共同的時(shí)間狀語(yǔ)：thismorning,tonight,thisApril,now,already,recently,lately等。3)現(xiàn)在完成時(shí)可表示持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)，動(dòng)詞一般是延續(xù)性的，如：live,teach,learn,work,study,know。

一般過(guò)去時(shí)常用的非持續(xù)性動(dòng)詞有come,go,leave,start,die,finish,become,getmarried等。句子中如有過(guò)去時(shí)的時(shí)間副詞（如yesterday,lastweek,in1960）時(shí)，不能使用現(xiàn)在完成時(shí)，要用過(guò)去時(shí)。（錯(cuò)）Tomhaswr