牛津译林版八年级英语下册Unit3 Grammar 课件

Grammar,Unit3Onlinetours,Lookatthefollowingsentences.,1.OneSundaymorning,MillieandAmywenttoSunshinePark.(七下U5)2.Ittookusabouttwohourstogettherebybus.(八上U3)3.Heoncetriedtoputinabrighterlightinhisbedroom,buthemadeamistake.(八上U4)4.Whenshewas20monthsold,shelearnttolookafterherself.(八上U5),5.DidyouhearaboutthefireataschoolintheUKlastweek?(八上U8)6.HeputawetblanketoverMrsSunandhelpedherout.(七下U7)7.Haveyouusedthisbefore,Eddie?(P34)8.Look,thisprogrammebegananhourago.(P34)9.Haveyounoticedthe“Tour”iconatthetopofthepage?(P36)10.Ithasbeenfamousforitstheatressincetheearlytwentiethcentury.(P37),Fillintheblanks.,1.OneSundaymorning,MillieandAmy_toSunshinePark.2.It_usabouttwohourstogettherebybus.3.Heonce_toputinabrighterlightinhisbedroom,buthe_amistake.4.Whenshe_20monthsold,she_tolookafterherself.5._youhearaboutthefireataschoolintheUKlastweek?,went,took,tried,made,was,learnt,Did,go,Ready?,6.He_awetblanketoverMrsSunand_herout.7._you_thisbefore,Eddie?8.Look,thisprogramme_anhourago.9._you_the“Tour”iconatthetopofthepage?10.It_famousforitstheatressincetheearlytwentiethcentury.,put,helped,Haveused,began,Havenoticed,hasbeen,1.WhathappenedtoDickyesterday?He_offhisbikeonthewaytotheschool.A.fellB.isfallingC.wasfallingD.hasfallen2.I_mysistersixtimestillnowbutherlinewasalwaysbusy.A.hadphonedB.wasphoningC.havephonedD.havebeenphoning,Weusethesimplepasttensetotellwhathappenedinthepast.,DanielwenttoBeijingtwoyearsago.,Weusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent.,DanielhaslivedinBeijingfortwoyears.,Weusethesimplepasttensetotellwhathappenedinthepast.,Danielboughtanewcomputerlastmonth.,Weusethepresentperfecttensetotalkabouttheresultofanaction.Whentheactionhappenedisnotveryimportant.,Danielhasboughtanewcomputer.(Hehasacomputernow.),Weusethesimplepasttensetotellwhathappenedinthepast.,HevisitedCanadain2010and2011.,Weusethepresentperfecttensetotellhowmanytimesanactionhashappenedtillnow.,HehasbeentoCanadatwice.,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：havehas+V-ed,现在完成时与一般过去时的区别,HevisitedGuilinin1998.他1998年参观过桂林。ShealwaysswamintheseawhenshelivedinQingdao.她住在青岛的时候，总是去海里游泳。Jillhasboughtanewcomputer.吉尔买了一台新电脑。Ihavehadmylunch.我已经吃了午餐。,二、用法不同,一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作。说话的侧重点只在于陈述一件过去的事情，不强调对“现在”产生的影响。现在完成时表示的动作或状态与现在的情况有联系，侧重这一动作对现在所造成的影响。,Hehasreadthatbook.(说明他现在知道那本书的内容。)Hereadthatbooklastyear.(只说明他去年读过那本书。)HehasgonetoAmerica.(他现在不在此地，到美国去了。)HewenttoAmerica.(只说明他去过美国。),三、时间状语不同,Didyouwatchthatfilmlastweek?你上周看那部电影了吗？Shecamebackyesterday.她是昨天回来的。Hisfatherhasbeenateachersince1968.他父亲从1968年以来一直当老师。HaveyoueverbeentoLondon?No,Ihaveneverbeenthere.你曾经去过伦敦吗？没有，以前从没去过。,一般过去时通常与表示过去的具体的时间状语连用。如：yesterday,lastweek,twoyearsago,justnow,in2002等；而现在完成时则常与表示不确切的时间副词连用，如already,yet,ever,never,just,since,for等。,I_(visit)thePalaceMuseumwithmygrandparentstheotherday.,I_(climb)MountHuanglastsummer.,visited,climbed,Completethesentenceswiththecorrectformsofthewordsinbrackets.(P41A),IamhappythatI_(learn)toswim.,_youever_(try)thefamousTianjinBaozi?,Havetried,havelearnt,I_(finish/just)myhomework.Millie_(finish)herhomework20minutesago.2.I_(write)anemailtomyfriendyesterday.Daniel_(write/already)twoemails.,havejustfinished,finished,wrote,hasalreadywritten,Completethesentenceswiththecorrectformsofthewordsinbrackets.(P41B),3.I_(be)inHainanlastmonth.Someofourclassmates_(notbe)toHainanyet.4.I_(live)inSunshineTownsinceIwasborn.Daniel_(live)inN