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1、Unit1PastandpresentGrammar(consolidation)Learning aims1.巩固现在完成时的基本结构、基本用法和常见的动词过去分词。2.理解并正确运用常和现在完成时连用的时间表达方式。3.能够在语境中正确运用现在完成时。Practice 11.写出下列动词的过去分词(5arrive_finish_change_carry_stop_come_do_hold_win_write_build_catch_keep_forget_tell_be_have_take_know_draw_see_eat_plan_sell_2.完成课课练P7 (四)(3Keys: 1
2、.have worked 2.Has; turned; has3.Have; cooked; havent4.hasnt; yet5.havent told6.How long这里的这里的have、has不是有的意思,不是有的意思,它是和后面的过它是和后面的过去分词构成现在去分词构成现在完成时,它具有完成时,它具有助动词的特性。助动词的特性。你会识别现在完成时?_ 通常与表示过去确切时间的时间状语通常与表示过去确切时间的时间状语连用。例如:连用。例如:yesterday, last week, in 2002, an hour ago等;等;_ 则常与则常与just, already, eve
3、r, never,just, recently, yet等副词和等副词和these days, this week, since ., for .等表示一段时间的时间状语等表示一段时间的时间状语连用。连用。How to use them?already肯定句,表示 “已经”, ever疑问句,表示“曾经”,for肯定句/否定句/疑问句,表示一段时间just肯定句,表示“刚刚”,never否定句,表示 “从不”,recently 肯定句/否定句/疑问句,表示 “最近”since肯定句/否定句/疑问句,表示 “自以后”yet疑问句/否定句,表示 “已经” 或 “还没有”Translate the
4、following sentences1.我们已经完成了家庭作业。2.他从没参观过北京。3.你曾经看过这部电影吗?4.他们刚刚吃了你的食物。5.他还没有把那本书还给我。6.最近我读了许多书。7.自2004年以来我就是一名老师。8.我在东海居住好多年了。2.Completethesentencesusingthepresentperfecttense.1.They_(finish)theirhomework.2.MrandMrsLi_(notcome)backyet.3.John_(play)thiscomputergameafewtimes.haventcomehavefinishedhasp
5、layed4.We_(notsee)thatfilmyet.5.MrDong_(repair)overtenbicyclessincelastMonday.6.You_(notvisit)meforalongtime.haventseenhasrepairedhaventvisited7.He_(notfinish)thehomeworkyet.Hewilltrytofinishitquickly.8.Myfamily_(live)inNanjingsince1996.9._you_(know)himsincethen?hasntfinishedhaslivedHaveknown10.They
6、_already_(decide)togotoKunmingfortheholiday.11.We_(move)tothenewflatsincelastmonth.12.Thegirl_(learn)Englishforabouttwoyears.havedecidedhavemovedhaslearned13.MyfatherwenttoBeijingtwoweeksago.I_(notsee)himsincethen.14._Tom_(write)letterstoyourecently?15.Jacksmotherisntathome.She_(go)tothesupermarket.
7、16.Thefilm_(be)onforabout20minutes.Wemissedthebeginning.haventseenHaswrittenhasgonehasbeen3.Completetheconversationusingthecorrectformsoftheverbsinbrackets.Millie:(1)_you_(see)anyexhibitionsrecently,Sandy?Sandy:No,I(2)_.Whataboutyou?Millie:Well,I(3)_(see)one.I_itatthehistorymuseumlastweek.Sandy:What
8、sitabout?HaveseenhaveseenhaventsawMillie:I(4)_(forget)thetitle.ItsaboutchangesinBeijingoverthepastcentury.Sandy:Oh,yes.I(5)_(hear)aboutit.(6)_yourcousin_(go)withyou?Millie:No,he(7)_.He(8)_(be)verybusythisweek.haveforgottenhaveheardHasgonehasnthasbeenSandy:Didyouenjoytheexhibition?Millie:Yes,Idid.I(9
9、)_(learn)alotaboutBeijingspastandpresent.ItsagoodexhibitionandI(10)_(decide)toseeitagain.Doyouwanttogowithme?Sandy:Sure.Iwontmissitthistime.havelearnthavedecided如何区别现在完成时和一般过去时如何区别现在完成时和一般过去时1.Isawthefilmyesterday.我昨天看了那部电影。我昨天看了那部电影。Ihaveseenthefilm.我已经看过那部电影了。我已经看过那部电影了。区别一区别一_的谓语动词用动词的过去的谓语动词用动词的
10、过去式,而式,而_的谓语基本构成是的谓语基本构成是“have/has+动词的过去分词形式动词的过去分词形式”。一般过去时一般过去时现在完成时现在完成时2.Ihadsupperanhourago.我一小时前吃了晚饭。我一小时前吃了晚饭。Ihavejusthadsupper.我刚刚吃过晚饭。我刚刚吃过晚饭。区别二区别二_通常与表示过去确切时间的通常与表示过去确切时间的时间状语连用。例如:时间状语连用。例如:yesterday,lastweek,in2002,anhourago等;等;一般过去时一般过去时_则常与则常与just,already,ever,never,just,recently,yet
11、等副词和等副词和thesedays,thisweek,since.,for.等表示一段等表示一段时间的时间状语连用。时间的时间状语连用。现在完成时现在完成时3.HewenttoGuilinin1998.他在他在1998年去过桂林。年去过桂林。(这句话只说明他在过去某个时间去(这句话只说明他在过去某个时间去过桂林。)过桂林。)HehasneverbeentoGuilin.他从来没有去过桂林。他从来没有去过桂林。(这句话说明他没去过桂林,而且强(这句话说明他没去过桂林,而且强调至今都没去过。)调至今都没去过。)区别三区别三_侧重陈述一件过去的事情,侧重陈述一件过去的事情,所表示的动作或状态对现在无
12、影响;所表示的动作或状态对现在无影响;_表示的动作或状态与现在表示的动作或状态与现在有联系,侧重强调这一动作对现在所造有联系,侧重强调这一动作对现在所造成的影响。成的影响。一般过去时一般过去时现在完成时现在完成时请从各题后所给的请从各题后所给的A、B、C、D四个选四个选项中选出最佳答案。项中选出最佳答案。1.Ihaveseentheplayalready.When_you_it?A.have,see B.will,seeC.did,see D.did,seen2.MrBlack_inChinaforfiveyears.A.livingB.haslivedC.liveD.isgoingtoliv
13、eCB3.Why_she_angry?Becausehe_athimjustnow.A.didget,shoutedB.hasgotshoutedC.didgethasshoutedD.hasgothasshoutedA4.You_mewaitingfortwohours.I_foryousincefive.A.keptwaitedB.havekeptwaitedC.kepthavewaitedD.havekepthavewaitedC5.Theboys_onlytwosubjectslastterm,butthistermthey_five.A.have,haveB.had,hadC.had
14、,haveD.havehad,haveC6.He_todrawhorsesalready.When_he?”.Lastyear.A.learnedhasB.learneddidC.haslearnedhasD.haslearneddidD7.MrBlack_inChinasincefiveyearsago.A.livedB.haslivedC.livesD.isgoingtoliveB8.We_treeslastSunday.Sofarwe_over3,000treesthere.A.planted;plantedB.planted;haveplantedC.haveplanted;plantedD.haveplanted;haveplantedB9.Howlong_you_thelibrarybook?ForonlythreedaysAdid;borrowBhave;borrowedCwere;keptDhave;keptD10_you_thefilmyet?Yes,I_itlastSaturdayA.Will;see;sawB.Did;see;sawC.Have;seen;haveseenD.Have;seen;sawDPractice in class完成课课练P6基础检测