牛津译林版八年级英语下册(新)课件《unit3onlinetours》(grammar)

空白演示在此输入您的封面副标题Completethesentences1.They_____________(finish)theirhomeworkalready.2.John____never______(visit)China.3.MrLi____________(repair)overtenbicyclessinceMonday.4.We____________(notsee)eachotherforyears.5.Ourteacher__________(teach)usalotaboutthehistoryofChina.havefinishedhasvisitedhasrepairedhaven’tseenhastaughtFillintheblanks.1.OneSundaymorning,MillieandAmy_____toSunshinePark.2.It____usabouttwohourstogettherebybus.3.Heonce_____toputinabrighterlightinhisbedroom,buthe_____amistake.4.Whenshe____20monthsold,she______tolookafterherself.5.____youhearaboutthefireataschoolintheUKlastweek?wenttooktriedmadewaslearntDid一般过去时构成用法常用时间状语动词的过去式1.表示过去某个时间发生的动作或存在的状态。2.表示过去经常或反复发生的动作。yesterdaylastnightin1990twodaysago…IhavelearnedtoswimsinceIwasborn.Ilearnedtoswimatsixmonths.Hehasalreadyfinishedhishomework.Hefinishedhishomeworkjustnow.Wehaven’tseeneachotherforthreemonths.Wesaweachotheramomentago.一、构成不同Theylivedherein2011.他们2011年住在这里。Wehavelivedhereforthreeyears.我们已经在这里住了3年了。一般过去时：主语+谓语动词的过去式现在完成时：have／has+动词的过去分词Weoftenusethesetimeexpressionswiththesimplepasttense:yesterdaytheotherdaylast......ago二、时间状语不同Weoftenusethesetimeexpressionswiththepresentperfecttense:alreadyuptonoweveruntil/tillnowjustsofarrecently(not)yetDaniel两年前去了北京。DanielwenttoBeijingtwoyearsago.Daniel已经在北京居住两年了。DanielhaslivedinBeijingfortwoyears.Weusesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent.三、用法不同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.kepthaskeptDaniel上个月买了台新电脑。Danielboughtanewcomputerlastmonth.Daniel已经买了台新电脑。Danielhasboughtanewcomputer.(Danielhasanewcomputernow.)Weusethesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotalkabouttheresultofanaction.Whentheactionhappenedisnotveryimportant.Itmayhavejusthappenedorhappenedsometimeago.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.visitedhavevisited吴老师2010年和2011年访问过加拿大。MrWuvisitedCanadain2010and2011.吴老师已经去过加拿大两次。MrWuhasbeentoCanadatwice.Weusethesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotellhowmanytimesanactionhashappenedtillnow.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.sawhaveseenSimonisshowingMilliesomepictures.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.waslivedhavelivedhavennotbeen句子中如有过去时的时间副词（如yesterday,lastweek,in1960）时，不能使用现在完成时，要用过去时。（错）Tomhaswrittenalettertohisparentslastnight.（对）Tomwrotealettertohisparentslastnight.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?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.bebuyreadreturnseeshowhavebeenboughthavereadhasreturnedTips:someday和theotherday的区别：someday指将来“总有一天、有朝一日、终将、(日后)某一天”，谓语动词用一般将来时。如:Yourwisheswillcometruesomeday.总有一天你的愿望会实现的。Somedayyou’llhavetopayforwhatyouhavedone.总有一天你要为你的行为而付出代价的。Tips:someday和theotherday的区别：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。请点击1.PaulandI______tennisyesterday.HedidmuchbetterthanI.(2011北京)A.playB.willplayC.playedD.areplaying2.Mr.Blackisgoingtomarryagirlhe______inJapanlastyear.(2011内蒙古包头)A.meetsB.metC.hasmetD