人教版英语八年级下册 Unit10 SectionB（3a- self check）(共41张PPT).ppt
SectionBGrammarandWriting,Unit10Ivehadthisbikeforthreeyears.,学习目标：通过本节的学习，同学们能：1.熟练掌握有关现在完成时的用法，并学会运用它来描述自己童年时喜爱的物品。A:Howlonghaveyouhadthatbikeoverthere?B:Ivehaditfor3years.A:Haveyoueverplayedfootball?B:Yes,IdidwhenIwaslittle,butIhaventplayedforawhilenow.2.学会借助3a的写作提纲梳理写作框架，并运用本单元含有写作完成时的核心句式，模仿语篇描述自己童年时喜爱的物品。3.通过过去和现在的对比，更加珍惜和热爱生活。,Review,1.那边的那辆自行车你买了多久了？我买了它三年了！_,Howlonghaveyouhadthatbikeoverthere?,Ivehaditforthreeyears!,2.他儿子拥有那套轨道火车玩具多久了？他从四岁生日起就拥有它了。_,Howlonghashissonownedthetrainandrailwayset?,Hesowneditsincehisfourthbirthday.,3.你曾经玩过橄榄球吗？是的，我小时候玩过，但是我现在已经有一段时间不玩了。_,Haveyoueverplayedfootball?,Yes,IdidwhenIwaslittle,butIhaventplayedforawhilenow.,GrammarFocus,Howlonghashissonownedthetrainandrailwayset?,Howlonghaveyouhadthatbikeoverthere?,Ivehaditforthreeyears.,Haveyoueverplayedfootball?,Hesowneditsincehisfourthbirthday.,Yes,IdidwhenIwaslittle,butIhaventplayedforawhilenow.,现在完成时,现在完成时表示动作或状态从过去某时开始，一直延续至今，还可能继续下去。此时常与for或since引导的时间状语(从句)连用。,（1）现在完成时+for+一段时间例：我好久没有见到她了。Ihaventseenherforalongtime.（2）现在完成时+since+表示过去的时间点例：自1984年以来，史密斯先生就在这里工作。Mr.Smithhasworkedheresince1984.,（4）现在完成时+since+从句例：自上大学以来他学了大约5000个英语单词。Hehaslearnedabout5000Englishwordssincehewenttocollege.,谓语动词用延续性动词，可以用howlong提问。,(3)现在完成时+since+一段时间+ago例：她从五年前就一直在这个学校。Shehasbeenatthisschoolsince5yearsago.,Thinkaboutyourfavoritethingfromchildhoodwhichyoustillhave.Forexample,itcanbeatoyorabook.Thentakenotesusingthequestions.,1.Howlonghaveyouhadit?2.Howdidyougetit?Didsomeonegiveittoyou?Who?3.Whydoyoulikeitsomuch?Whyisitspecial?4.Canyousayanythingmoreaboutit?,2.延续性动词与非延续性动词,(1)在现在完成时中，与for,since连用的动词必须为延续性动词。延续性动词表示经验、经历；非延续性动词表示行为的结果。非延续动词不能与表示一段时间的状语连用。有些非延续性动词可以用延续性动词替换并用在现在完成时中。,(2)在现在完成时的句子中，若含有for或since引导的时间状语，则句中谓语一定要用延续性动词。非延续性动词可以转换为延续性动词：,例如：他加入英语俱乐部两年了。()HehasjoinedtheEnglishclubfor2years.HehasbeeninEnglishclubfor2years.这块手表我买了两年了。()Ihaveboughtthiswatchfor2years.Ihavehadthiswatchfor2years.,(3)常见的延续性动词有have,live,teach,learn,work,study,know等。常见的非延续性动词有come,go,leave,start,die,finfsh,become,join,buy,getmarrired等。,fallill(asleep)finish,endbegin,startbuy,catchcome,gobecomeborrowgettoknowdieLosefinish,beill(asleep)beoverbeonhavebehere,therebekeepknowbedeadbelostbeover,非延续性动词,延续性动词,拓展延伸,1.JimisinJapan.Hearrivedtherethreedaysago.2.Theyareveryhungry.Theirlastmealwastenhoursago.,Rewritethesentencesusingfororsince.,JimhasbeeninJapanforthreedays.,Theyhavenoteatenfortenhours.,3.Ihaveacamera.Iboughtitin2009.4.IknowAnna.Ifirstmetherthreeyearsago.5.Lindaisill.ShebecameillonMonday.,Ihavehadacamerasince2009.,IhaveknownAnnaforthreeyears/sincethreeyearsago.,LindahasbeenillsinceMonday.,Fillintheblankswiththecorrectformsoftheverbsinbrackets.,I_(neverbe)tothewaterparkbefore.Iwantto_(go)nextmonthbeforetheweathergetstoocold.2.They_(neverown)anypets,butthey_(alwayswant)tohaveadog.,haveneverbeen,go,haveneverowned,havealwayswanted,3.We_(have)apianosincelastNovember.We_(buy)itfromtheLifamilywhentheymovedtotheUSlastyear.,havehad,bought,4.CathyandAmy_(notbe)backtotheirhometownfortwoyears.They_(miss)theirhometownalotandhopetovisittheplacenextyear.5.Thismuseum_(be)hereforover20years.It_(be)oneoftheoldestbuildingsinthissmalltown.,haventbeen,miss,hasbeen,is,Fillinthequestionsandasktwostudents.Thencompletethechart.,1.Doyouhavea(n)_?Howlonghaveyouhadit?2.Doyouowna(n)_?Howlonghaveyouownedit?,Doasurvey!,1.Howlonghaveyouhadit?2.Howdidyougetit?Didsomeonegiveittoyou?Who?3.Whydoyoulikeitsomuch?Whyisitspecial?4.Canyousayanythingmoreaboutit?,Example:,A:Whatsyourfavoritethingfromchildhood?B:Thisbook.A:Howlonghaveyouhadit?B:Ivehaditforovertenyears.A:Whogaveittoyou?B:Mygrandmother.,A:Whydoyoulikeitsomuch?B:Becauseitsveryspecialforme,itcantellmealotofknowledge.A:Canyousayanythingmoreaboutit?B:.,Iwasfiveyearsold,myteddy,Mygrandmother,Inthefirstparagraph,introduceyourfavoritething.,bear,Writethreeparagraphsaboutyourfavoritething.Useyournotesin3atohelpyou.,3b,Inthesecondparagraph,talkaboutwhyitisspecial.,theteddybear,itsdressed,inmyfavoritecolor,grandmothermadeitforme,my,itforever,toremindmeofmygrandmother,Iwillkeep,Inthethirdparagraph,Writeaboutastoryormemories.,Theteddybear,IwasyoungandIwasscaredatnightbecauseIdidntlikethedarkness,Iheldmyteddybeartofeelsafe.,写作指导,话题概述,本单元以“生活环境”为话题，以“谈论周围的所有物和物品”为语言目标。最能全面体现本单元话题及语言运用能力的作文就是“谈论自已拥有的物品”，这也是单元测试和中考试题中经常考到的作文话题之一。,例题展示,每个人内心深处都有对童年时期一些事情的美好回忆，特别是那些伴你度过童年时光的玩具，至今你可能仍不舍得将它抛弃。它可能是一辆玩具汽车、一个布娃娃、一辆自行车等。请你以“MyFavoriteThingfromChildhood”为题，写一篇80词左右的短文，和大家分享一下你的小秘密吧。,思路点拨,本文是一篇说明文，主要从“点明喜欢的东西陈述喜欢的理由介绍该物的来历或故事”三方面进行描述。开篇点题时可用Myfavoritethingfromchildhoodis.指出儿时喜欢的物品；然后用Ilike.because.或Itsspecialtomebecause.来陈述喜欢的理由;最后,用一般过去时讲述作者对它的回忆。,写作模板,介绍最喜欢的东西,Myfavoritethingfromchildhoodis.Ivehaditfor/since.Mygrandmagaveittome.,陈述喜欢的理由,Ilikethesomuchbecause.Itsspecialtomebecause.Ithink.,讲述相关故事及记忆,Thehasgivenmealotofgoodmemories.IrememberwhenIwasyoung.,实战演练,根据表格提示，并展开合理想象，将你最喜欢的东西介绍给大家。,MyfavoritethingisaCD.Ihavehaditfortwoyears.ItsaboutAmericancountrymusic.Itsoundsverywonderful.Itsfrommygoodfriend,Mary.Twoyearsago,Maryleftandmovedtoanothertown.SheknewthatIlikedcountrymusic,sosheboughtitandgaveittomeasagift.WhenIwastired,itremindsmeofmygoodfriendMary.Italsogivesmemanysweetmemories.,MyFavoriteThingfromChildhood,SelfCheck,1.Completethesentencesusingfororsince.,1.Ihaventbeentoamuseum_2.Ihaventwrittenaletter_3.Ihaventriddenabike_4.Ihaventseenamovie_5.Ihaventplayedcomputergames_,fortwoyears.,sincetwoyearsago.,foralongtime.,sincelastyear.,fortwomonths.,2.Completetheconversation.,A:HeyEric,youenjoyedyourtimeinBeijingsofar?B:Yes,itbeengreat!Everyoneissofriendly.A:HowlongyoubeeninChinanow?B:Oh,Ihereabouttwoyearsnow.,have,has,have,havebeen,for,A:Wow,thatmeansyouhaventbacktotheUSfortwoyears?B:No,IbeenbacktwicemovingtoChina.youbeentotheUSbefore,LiJuan?A:Yes,IwentthereoncewhenI10yearsold,butInotbeenbackthen.,been,have,since,Have,was,have,since,1.howlong2.haveayardsale3.giveaway4.notanymore5.welcometo6.abit7.boardgame8.checkout9.abreadmaker,多久，多长时间举行庭院拍卖会捐赠；赠送不再欢迎到一点儿，稍微棋类游戏察看；观察面包机,10.growup11.clearout12.alotof13.nolonger14.atfirst15.forexample16.arainandrailwayset17.asfor18.giveup19.tobehonest,长大收拾，整理许多不再；不复起初例如一套轨道火车至于放弃说实在的,20.atleast21.onweekends22.onceortwiceayear23.millionsof24.searchfor25.accordingto26.acrossfrom27.inonesopinion28.inorderto,至少在周末一年一两次数百万的寻找依据；按照在的对面依看为了,Homework复习第10单元单词短语和重点句式整理笔记2.完成智慧学习,
