英语八年级下人教新课标版Unit 6课件(三)

1Unit6Howlonghaveyoubeencollectingshells?2SectionAPeriodTwo3ReviewWordsandexpressions4Readtheexplanationandspeakouttheworditexplains.5tocollectmoney,supportectsothatyoucanuseittohelppeopleanumberofpeopleorthingsthatismorethanafew,butnotalotapersononskatesskatern.溜冰者v.筹集;筹募adj.几个的;数个的raiseseveral6Clicktoit.3a7NameHasbeenskatingforAlison5hoursSam4hoursLuNing4hoursLiChen1hourReadthepassageandthencompletethetable.(3a)8Readandanswer.1.Whyarestudentsskating?2.Howmuchdoeseachstudentraiseforeveryhourtheyskate?3.Howlonghastheskatingmarathonbeengoing?Toraisemoneyforcharity.Tenyuan.Forfivehours.94.Whowasthefirsttostart?5.Whowasthelastone?Alisonwasthefirsttostart.LiChenwasthelastone.10It’snow2pm.WritetheStudents’namesfrom3aonthetimeline.(3b)9am10am11am12am1pm2pmAlisonSamLuNingLiChen11Interviewyourclassmates.Askthemwhatsportstheyplayandfillinthechart.GroupworkNameSportWhenstartedHowlongYeLantennis11yearsoldthreeandahalfyears12Practiceconversationsinpairs.A:YeLan,whatsportdoyouplay?B:Tennis.A:Whendidyoustart?B:WhenIwaseleven.A:Sohowlonghaveyoubeenplaying?B:Threeandahalfyears.pairwork13NameSportWhenstartedHowlongBillsoccer10yearsoldfourandahalfyearsExample:A:Bill,whatsportdoyouplay?B:Soccer.A:Whendidyoustart?B:WhenIwasten.A:Sohowlonghaveyoubeenplaying?B:Fourandahalfyears.14151.Studentsareskatingtoraisemoneyforcharity.raisevt.举起risevi.起身,升起(太阳、月亮等)raiseone’shand举手raiseone’shattosb.向某人举帽致敬raiseachild养育孩子raisefunds筹集资金raisesalaries增加薪水raisemoney筹钱,筹款162.Foreveryhourtheyskate,eachstudentraisestenyuanforcharity.每滑一小时,每个学生为慈善机构筹集10元钱。every,each都表“每一”,但every指大家具有的共性,every还等于all表示全体齐全,一个不缺;而each强调每个人或事物有着各自互不相同的个性或差异性。此外every还可表每隔(一段时间/距离)。17例如：Everystudentishere.学生都到齐了。Everytwoweekshegoestovisithisfriendsinthetown.他每隔一周去看一次他在城镇的朋友。Eachpersonhashisownadvantages.每个人都有他的优势(长处)。Eachstoryhasaninterestingname.每个故事都有一个有趣的名字。183.Alisonwasthefirstonetostart,andhasbeenskatingforthewholefivehours.Alison是第一个开始滑的,并且已滑了足足5个小时。注:序数词前必须用定冠词the,后接名词或代词。句中不定式短语“tostart”作后置定语修饰代词one,one指代滑冰的人。wholeadj.“整个的,完整的”,前常加“the”或物主代词。eg.Iwanttogettoknowthewholestory.Heputshiswholelifeoneducation.194.––Sohowlonghaveyoubeenplaying?––Threeandahalfyears.【据意填词】Theyhavebeenworkinginthefactoryfor_______________________________________________(三个半月).【用法透析】表示“（时间）几个半……”有两种方式：①“基数词+and+ahalf+复数名词”；②“基数词+名词+and+ahalf”。threeandahalfmonths/threemonthsandahalf20如：twoandahalfhours/twohoursandahalf（两个半小时）oneandahalfyears/oneyearandahalf（一年半）211.现在完成进行时的定义:表示从过去开始一直持续到现在的动作,这个动作可能刚结束,也可能还要继续下去,常与fortwohours,since1998,allthismorning,thesefewdays等表示一段时间的状语连用。现在完成进行时221)I’vebeenstudyingEnglishsinceIwas4yearsold.自从4岁起我就一直学英语。2)Hehasbeenlivingatthestreetforabout20years.他一直在这条街住了近20年了。3)Shehasbeenlisteningtomusicforthreehourstoday.她今天听了三个小时的音乐了。【经典例句】234)Haveyoubeentalkingwithhimonthephonesince6:00pm?你六点起就一直在给他打电话？5)Howlonghasitbeenraining?雨下多久了？6)Whatbookhaveyoubeenreadingrecently?最近你在看什么书？242.由上我们可以总结出现在完成进行时的构成:肯定形式:have/hasbeen＋(现在分词)doing否定形式为:have/hasnotbeendoing一般疑问句形式:Have/Hassb.beendoingsth.?特殊疑问句形式(询问持续时间长短):Howlonghave/hassb.beendoingsth.?253.注意:for表示时间的持续,后跟时间段。表示一段时间,多与带数词的名词连用,谓语需用延续性动词。since表示“自从过去某一时间点以来”,后面接时间点,强调动作或状态一直延续到现在,since后可接表时间的名词或名词短语,也可接一个时间状语从句。264.一般过去时、现在完成进行时和现在完成时的区别：Howlongdidyouskate?(一般过去时)Howlonghaveyoubeenskating?(现在完成进行时)Howlonghaveyoubeenhere?(现在完成时)27注意:1)一般过去时表示在过去某个时间发生的动作或存在的状态,该动作已结束,不强调同现在的关系。2)而现在完成进行时表示动作从过去开始发生一直持续进行(到现在),可能仍在进行,也可能停止了一会儿。283)现在完成时强调的是:①表示过去发生或已经完成的动作对现在造成的影响或结果。②过去某一时间开始并一直持续到现在(包括“现在”在内)的动作或状态,可以和表示延续的时间状语连用。注意这三个时态语意上的差异。29301.MrGreen_____inChinasincefiveyearsago.A.livedB.haslivedC.livesD.isgoingtolive2.-＿＿isthemeetinggoingtolast?-Abouttwentyminutes.A.HowfarB.HowsoonC.HowlongD.Howoften3.He’sbeencollectingshells_______hewastenyearsold.A.whenB.whileC.andD.sinceChoosethebestanswer.314.Ihavebeenskating__twohours.A.inB.atC.forD.since5.IfI__enoughmoney,I__ahospitalforSARSpatients.A.willhave,buildB.willhave,willbuildC.have,willbuildD.have,build32Translateandwritethemdown.1.为了给慈善事业筹款，学生们正在溜冰。2.艾利森是第一个开始滑的，并且已滑了足足五个小时。Studentsareskatingtoraisemoneyforcharity.Alisonwasthefirstonetostartandhasbeenskatingforthewholefivehours.33根据例句及所给提示词语造句。Example1:I,run,inthepark,halfanhour→Ihavebeenrunningintheparkforhalfanhour.1.he,learn,English,twoyears→2.they,feel,sick,Tuesday→HehasbeenlearningEnglishfortwoyears.TheyhavebeenfeelingsicksinceTuesday.34Example2:I,study,veryhard,recently→Ihaven’tbeenstudyingveryhardrecently.3.you,exercise,thisweek→Youhaven’tbeenexercisingthisweek.35Example3:you,playtheviolin→Haveyoubeenplayingtheviolin?4.Lily,haveahardtime,Chinese→5.Dad,wash,car,10o’clock→HasDadbeenwashingthecarsince10o’clock?HasLilybeenhavingahardtimewithChinese?36发挥想象，连词成文。(50-100字)collect,shell,pair,skate,since,raise,several,skater37