牛津译林八年级英语下册Unit1 Past and present Grammar课件

,Grammar,past,present,EddiehaslivedwithMilliesincehewasborn.,EddiehaslivedwithMillieforfouryears.,past,present,4years,Eddielivedherefouryearsago.,ThePresentPerfectTense(现在完成时),一、现在完成时的含义,现在完成时用来表示之前已发生或完成的动作或状态，其结果和现在有联系，动作或状态发生在过去但它的影响现在还存在；也可表示持续到现在的动作或状态；还可以表示一个动作到现在为止发生了多少次。,二、现在完成时的构成,现在完成时的肯定句句型:主语（第一、二人称单复数）+have+过去分词,WehavelivedinNanjingfor10years.,e.g.Ihavefinishedmyreport.,主语（第三人称复数）+have+过去分词e.g.Theyhavemovedaway.主语（第三人称单数）+has+过去分词e.g.HehasbeeninBeijingfortwomonths.,2.现在完成时的否定句句型主语+have/has+not+过去分词e.g.Ihavenotseenthefilmyet.HehasntbeentoTianjinsincethen.,3.现在完成时的一般疑问句句型Have/Has+主语+过去分词Haveyou.?Hashe.?Yes,Ihave.Yes,hehas.No,Ihavent.No,hehasnt.,三、现在完成时的时间副词和时间短语,1.副词already和yet。already一般用于肯定句中，yet一般用于否定句和疑问句中。如:Wehavealreadyfinishedourhomework.我们已完成作业了。,Theyhaventfinishedtheirhomeworkyet.他们还没有完成作业。,-IhaveneverwatchedtheWorldCup.我从未看过世界杯。,2.副词ever和never。多用于否定或疑问句中，表示“曾经”或“从未“等。如:-HaveyoueverwatchedtheWorldCup?你曾经看过世界杯吗?,Hehasbeentheretwicethelastfewdays.近几天他去过那里两次了。,3.用表示到说话时为止的时间状语,如:just,before,uptonow,thepast/lastfewyears等。如:Ihaveseenherbefore,butIcannotrememberwhere.我以前见过她，但记不起在哪里见过。,如:Ihaventseenhimfortwoyears.Ihaventseenhimsince2yearsago.Its2yearssinceIsawhim.我两年没有见过他了。,4.表示动作或状态从某一时刻开始，一直持续到现在的时间状语:sofar,for+一段时间,since+过去时间或一般过去时的句子。,四、过去分词的构成,travelled,moved,stayed,owned,learned,visited,stopped,finished,shopped,solved,A.规则动词的过去分词,Weadd-edtoregularverbs.,B.不规则动词的过去分词,thought,caught,given,made,written,put,cost,grown,hurt,run,felt,fallen,flown,had,drunk,brought,worn,sung,forgotten,kept,动词原形动词过去式动词过去分词ABBbringbroughtbroughtABCdodiddoneAAAletletletABAcomecamecomeAABbeatbeatbeaten,Page122-123,FinishP14PartA,Completethesentencesusingthepresentperfecttense.(P14.PartB),They_(finish)theirhomeworkalready.2.John_never_(visit)China.3.MrLi_(repair)overtenbicyclessinceMonday.,visited,havefinished,hasrepaired,has,4.We_(notsee)eachotherforyears.5.Myparents_(notcome)backyet.6.Ourteacher_(teach)usalotaboutthehistoryofChina.,haventseen,havenotcome,hastaught,Millie:(1)_you_(see)anyfilmsrecently,Sandy?Sandy:No,Ihavent.Whataboutyou?Millie:I(2)_(see)onelastSaturday.Sandy:Whatsitabout?Millie:ItsaboutthechangesinBeijingoverthepastcentury.Fromthefilm,I(3)_(learn)moreaboutBeijingspastandpresent.,Chattime.(P14.PartC),Have,seen,saw,havelearned,Sandy:Oh,IthinkI(4)_(hear)aboutthefilm.Doyouplantoseeitagain?Millie:Yes,Idliketo.,haveheard,1.He_(notfinish)thehomeworkyet.Hewilltrytofinishitquickly.2.Myfamily_(live)inNanjingsince1996.3._you_(know)himsincethen?,Morepractice,hasntfinished,havelived,Have,known,4.They_already_(decide)togotoKunmingfortheholiday.5.We_(move)tothenewflatsincelastmonth.6.Thegirl_(learn)Englishforabouttwoyears.,have,decided,havemoved,haslearned,7.MyfatherwenttoBeijingtwoweeksago.I_(notsee)himsincethen.8._Tom_(write)letterstoyourecently?9.Jacksmotherisntathome.She_(go)tothesupermarket.10.Thefilm_(be)onforabout20minutes.Wemissedthebeginning.,haventseen,Has,written,hasgone,hasbeen,()1.Ihavefinishedmyhomework_.Haveyoufinishedyourhomework_?A.yet,yetB.yet,alreadyC.already,yetD.already,already,单项选择:,()2.Hehas_seenthefilmHarryPotter.Soheknowsnothingaboutit.A.alreadyB.everC.neverD.yet,()3.Shehasbeenillinbed_twodaysago.A.sinceB.inC.duringD.for()4.Haveyouseenhim_?No,Ihavent.A.alreadyB.neverC.everD.recently,()5.Ihave_watchedawonderfulfilm.Itsreallyinteresting.A.yetB.justC.justnowD.never,()6._you_aticketforthefootballmatch?Notyet.A.Is,boughtB.Are,boughtC.Has,boughtD.Have,bought,()7.Greatchanges_inChinasince1978.A.washappenedB.havehappenedC.havebeenhappenedD.happened,()8.Tom_alotoffriendssincehecametoChinalastyear.A.madeB.makesC.ismakingD.hasmade()9.“Frozen”isaveryinterestingfilm.I_ittwicealready.A.willseeB.sawC.seeD.haveseen,()10.They_sincethefactoryopened.A.haveworkedthereB.haveworkedhereC.workedthereD.workedhere()11.Lucy,_you_yourticket?Notyet.A.did,findB.