人教八下Unit10ivehadthisbikeforthreeyearsGrammarFocus4c共15张PPT

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1、Section A (Grammar focus - 4cGrammar focus - 4cGrammar focus - 4cGrammar focus - 4c)Unit 10 Ive had this bike Unit 10 Ive had this bike for three years.for three years.Howlonghaveyouhadthatbikeoverthere?Ivehaditforthreeyears.Howlonghashissonownedthetrainandrailwayset?Hesowneditsincehisfourthbirthday

2、.Haveyoueverplayedfootball?Yes,IdidwhenIwaslittle,butIhaventplayedforawhilenow.GrammarFocusTip 2: underline the key points.Tip1: circle the time.Tip 3:区别现在完成时和过去式:区别现在完成时和过去式1.现在完成时动词现在完成时动词构成:构成:have/has+v过去分词过去分词助动词助动词否定否定haventhasnt疑问疑问Haveyou?Hashe?(1)常常与下列时间状语连用:与下列时间状语连用:just,already,yet,ever,

3、never,before,severaltimeshave/ has (2) 常与下列时间状语连用:常与下列时间状语连用:for或或since引起的一段时间状语连用。引起的一段时间状语连用。forthreeyears,sinceIwasfouryears,since1999,现在完成时的用法现在完成时的用法1.过去发生的动作对现在造成的影响或结果。和过去发生的动作对现在造成的影响或结果。和already,never,ever,just,before,yet等状语连用。等状语连用。2.过去已经开始,持续到现在的动作或状态,过去已经开始,持续到现在的动作或状态,常与常与for或或since引起的一

4、段时间状语连用。引起的一段时间状语连用。Ihavejusthadmybreakfast.(现在我不饿现在我不饿)Ihavelivedhereforthreeyears.Ihavelivedheresince2004/threeyearsago. (1).for+表示表示一段一段时间的短语时间的短语(2).since+表示表示过去时间点过去时间点的词语的词语(3).since+表示过去时间的时间状语表示过去时间的时间状语从句从句eg.Ihavebeenateacher_ayear.Hehasbeenatthisschool_1992.Wehavelearned1,000Englishwords_

5、wecametothisschool.forsincesince现在完成时句中常见的时间状语现在完成时句中常见的时间状语A.表示从过去一直持续到现在表示从过去一直持续到现在, 不能是具体不能是具体 的过去时间。的过去时间。everjustalreadyyete.g.Haveyou_beentoJapan?Ihave_finishedmyhomework.Ihavefinishedmyhomework_.Ihaventfinishedmyhomework_.B. just, already, yet, before/ ever, never有此有此类副词时类副词时,常强调动作完成常强调动作完成,

6、不强调动作的持续不强调动作的持续.短暂性短暂性( (短语短语) )动词与延续性动词与延续性( (短语短语) )动词和动词和与表示状态的短语之间的转化与表示状态的短语之间的转化1.有些短暂性有些短暂性(短语短语)动词可转化为相应的延续性动词可转化为相应的延续性(短语短语)动词。常见的有:动词。常见的有:becomebe(成为)(成为)borrowkeep(保管)(保管)buyhave/own(购买)(购买)catchacoldhaveacold(感冒)(感冒)comestay(来,停留)(来,停留)putonwear(穿着)(穿着)gotosleepsleep(睡觉)(睡觉)movetolive

7、in(搬到)(搬到)2.有些短暂性有些短暂性(短语短语)动词可转化为表示状态的短语。常见的有:动词可转化为表示状态的短语。常见的有:leavebeaway(离开)(离开)begin/startbeon(开始)(开始)diebedead(死亡)(死亡)finishbeover(结束)(结束)joinbein/beamemberof(加入)(加入)fallasleepbeasleep(睡觉)(睡觉)marrybemarried(结婚)(结婚)come/arriveherebehere(来到,到达这儿)(来到,到达这儿)巧记瞬间性动词的转换:开始离去借来还,出生入死买到家,穿衣入睡要感冒,开开关关变

8、结束。1 beginbeon6 returnbeback2 leavebeawayfrom7 joinbein3 gobeoff8 diebedead4 borrowkeep9 buyhave5 comebehere10 arrivebehere10 reachbe here11 put onwear12 fall asleepbe asleep13 catch a cold have a cold14 openbe open15 closebe closed16 becomebe17 end/finishbe over4aRewrite the sentences using for or

9、since.1.JimisinJapan.Hearrivedtherethreedaysago.2.Theyareveryhungry.Theirlastmealwastenhoursago.Theyhavebeenhungryfortenhours/sincetenhoursago.JimhasbeeninJapanforthreeyears.3.Ihaveacamera.Iboughtitin2009.4.IknowAnna.Ifirstmetherthreeyearsago.5.Lindaisill.ShebecameillonMonday.Ihavehadacamerasince200

10、9.IhaveknownAnnforthreeyears/sincethreeyearsago.LindahasbeenillsinceMonday.Tip1: review the usage of “for ” and since 长达三年,长达三年, 自从三年前以来自从三年前以来4bTip2:Fillintheblankswiththecorrectformsoftheverbsinbrackets.1.I_(neverbe)tothewaterparkbefore.Iwantto_(go)nextmonthbeforetheweathergetstoocold.2.They_(neve

11、rown)anypets,butthey_(alwayswant)tohaveadog.haveneverbeengohaveneverownedhavealwayswanted3.We_(have)apianosincelastNovember.We_(buy)itfromtheLifamilywhentheymovedtotheUSlastyear.4.CathyandAmy_(notbe)backtotheirhometownfortwoyears.They_(miss)theirhometownalotandhopetovisittheplacenextyear.5.Thismuseu

12、m_(be)hereforover20years.It_(be)oneoftheoldestbuildingsinthissmalltown.havehadboughthavenotbeen/haventbeenmisshasbeenisTip 1:predict the answers, show the reasons.4cFill in the questions and ask two students. Then complete the chart.1.Doyouhavea(n)_?Howlonghaveyouhadit?2.Doyouowna(n)_?Howlonghaveyou

13、ownedit?ThingsHow longTonyfavoritebookfortwoyearsbasketballsincehewas10yearsoldStudent1Student2练习题:1.Itsalongtimesincewe_(meet)last,isntit?2.-Iknowyou_(choose)apicturebookamongthese.-Yes,Havealookatit,please.3.Sofar,spaceshipswithoutpeople_(reach)themoonandsomeotherpartsoftheuniverse.4.Myfather_home

14、fornearlythreeweeks.A.hasgoneawayfromB.hasleftC.hasbeenawayfromD.wentaway5.Mr.andMrs.Greenhave_inChinaforaweek.A.beenB.gotC.arrivedD.reachedmethavechosenhavereachedCA1.Tolearntheusageoffor andsince.2.TousetheGrammarFocussentencestocreatesimpleconversation.3.Toreviewthepresentperfecttense.4.Tolearnnewwords.1.ReviewGrammar.2.Finishtheexercisesintheworkbook.HOMEWORK

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