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1、Section A(Section A(Grammar Grammar Grammar Grammar focus-4cfocus-4cfocus-4cfocus-4c)Unit 10 Ive had this Unit 10 Ive had this bike for three years.bike for three years.现在完成时现在完成时have/has+过去分词过去分词 不规则动词过去分词的构成不规则动词过去分词的构成1.三个主要动词三个主要动词 is,ambe arewaswerebeenhave/hashadhaddo/doesdiddone2.AAA型型（三者一致）（
2、三者一致）cut cut cutlet let letput put putcost cost cost read read read3.ABA型型（过去分词与原形一致）（过去分词与原形一致）comebecomerunran run came comebecame become4.ABB型型（过去分词与过去式一致）（过去分词与过去式一致）bringfindhearkeepmakebrought broughtfound foundheard heardkept keptmade madeleaveleft leftwinwon wontelltold toldspendspent spents
3、aysaid said5.ABC型型（三者不一致）（三者不一致）eatgivewriteseegetbegin ate eaten gave givenwrote written saw seen got gotten began begungo went gonetake took taken speak spoke spokenknowknew knownswimswam swum现在完成时的用法：现在完成时的用法：1.表示已完成的某一动作对现在造成的影响或结果表示已完成的某一动作对现在造成的影响或结果1）标志词标志词:already:yet:多用于陈述句，位于多用于陈述句，位于have/
4、has后，有时位于句末。后，有时位于句末。用于疑问句和否定句，位于句尾。用于疑问句和否定句，位于句尾。ever:never:多用于疑问句，问初次经历。多用于疑问句，问初次经历。用于否定句，位于用于否定句，位于have/has后后e.g.我我已经完成了作业完成了作业。e.g.你找到你丢失的书了吗？你找到你丢失的书了吗？我还没吃早饭呢。我还没吃早饭呢。e.g.你曾去过一个游乐园吗？你曾去过一个游乐园吗？e.g.我从未看过这么有趣的一部电影。我从未看过这么有趣的一部电影。I have never seen such an interesting movie.I have already finish
5、ed my homeworkHave you found your lost book yet?I havent had breakfast yet.Have you ever been to anamusement park?2.表示从过去已经开始，持续到现在的动作表示从过去已经开始，持续到现在的动作 或状态。或状态。标志词标志词:1）for+一段时间一段时间2）since+过去点时间过去点时间since+一段时间一段时间+agosince+从句（从句用一般过去式）从句（从句用一般过去式）我们住在这个城市已经我们住在这个城市已经10年了年了We have lived in this city
6、 for ten yearse.g.他自从他自从1990年就在这儿工作年就在这儿工作.她自从两年前就在这所学校教书。她自从两年前就在这所学校教书。自从我们认识我们就互相了解。自从我们认识我们就互相了解。3）sofar,once/twice/threetimes4）inthepast+一段时间一段时间duringthelast+一段时间一段时间GreatchangeshavetakenplaceinmyhometownduringthelasttwoyearsTom has seen the film twice.They have learnt 2000 words so far.到目前为止，
7、他们已经学了到目前为止，他们已经学了2000个单词。个单词。汤姆已经看过这部电影两次了。汤姆已经看过这部电影两次了。They have built many high buildings in the past three years在过去在过去3年里，他们建了许多高楼。年里，他们建了许多高楼。在过去两年期间，我的家乡发生了很大变化。在过去两年期间，我的家乡发生了很大变化。3.have/hasbeentohave/hasgonetohave/hasbeenin曾经去过某地曾经去过某地到某地去了到某地去了在某地呆了多长时间在某地呆了多长时间1.A:WheresJim,LiLei?B:He_his
8、schoollibrary.2.TheGreens_Chinaforthreeyears.3.We_theGreatWalltwice.Itsverybeautiful.hasgonetohavebeeninhavebeento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)动词动词和与表示状态的短语之间的转化和与表示状态的短语之间的转化1 begin6 return2 leave7 join3become8 die4 borrow9 buy5 get married10come/go4aRewrite the sentences using for or since.1.Jimi
9、sinJapan.Hearrivedtherethreedaysago.2.Theyareveryhungry.Theirlastmealwastenhoursago.Theyhavebeenhungryfortenhours/sincetenhoursago.JimhasbeeninJapanforthreeyears.3.Ihaveacamera.Iboughtitin2009.4.IknowAnna.Ifirstmetherthreeyearsago.5.Lindaisill.ShebecameillonMonday.Ihavehadacamerasince2009.Ihaveknown
10、Annforthreeyears/sincethreeyearsago.LindahasbeenillsinceMonday.4bFillintheblankswiththecorrectformsoftheverbsinbrackets.1.I_(neverbe)tothewaterparkbefore.Iwantto_(go)nextmonthbeforetheweathergetstoocold.2.They_(neverown)anypets,butthey_(alwayswant)tohaveadog.haveneverbeengohaveneverownedhavealwayswa
11、nted3.We_(have)apianosincelastNovember.We_(buy)itfromtheLifamilywhentheymovedtotheUSlastyear.4.CathyandAmy_(notbe)backtotheirhometownfortwoyears.They_(miss)theirhometownalotandhopetovisittheplacenextyear.5.Thismuseum_(be)hereforover20years.It_(be)oneoftheoldestbuildingsinthissmalltown.havehadboughth
12、avenotbeen/haventbeenmisshasbeenis4cFill in the questions and ask two students.Then complete the chart.1.Doyouhavea(n)_?Howlonghaveyouhadit?2.Doyouowna(n)_?Howlonghaveyouownedit?1.Itsalongtimesincewe_(meet)last.2.They_(cook)thesupperalready.3.Sofar,spaceshipswithoutpeople_(reach)themoon.4.Myfather_h
13、omefornearlythreeweeks.A.hasgoneawayfromB.hasleftC.hasbeenawayfromD.wentaway5.Mr.andMrs.Greenhave_inChinaforaweek.A.beenB.gotC.arrivedD.reached6.Thefamouswriter_onenewbookinthepasttwoyear.iswriting.waswriting.wrote.haswritten7.Ourcountry_alotsofar.Yes.Ihopeitwillbeeven_.haschanged;well.changed;good.haschanged;better.changed;better8.HarryPotterisaverynicefilm.I_ittwice.willsee.haveseen.saw.see9.快点，电影已经开始快点，电影已经开始5分钟了。分钟了。10.你买这个照相机多久了？你买这个照相机多久了？11.我还没决定选择哪一个。我还没决定选择哪一个。12.他爷爷已经去世好多年了。他爷爷已经去世好多年了。