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简单句的基本结构主+谓(vt.)+宾主+谓(vt.)+间宾+直宾主+谓(vt.)+宾+宾补主+谓(vi.)主+系+表M7U2Grammarandusage(linkingverbs)系动词本节课的教学目标1.了解哪些动词是系动词；2.掌握系动词的用法；3.灵活运用系动词.1.Hebecametherichestmanintheworldafterthedeathofhisfather.2.Aspirinhasprovedvitalforreducingfever.3.WearenowinneedofEnglishteachers.4.Pleasekeepquietwhensomeoneisgivingaspeech.5.Countrymusictodayremainsmuchthesameasbefore.6.Yoursuggestionsoundsreasonable.7.Itseemsthateveryonehereknowshimquitewell.8.Milkgoesbadeasilyinsummerifyoudonotputitinthefridge.soundsseemsgoesWarmingup:findoutlinkingverbsremainskeepareprovedbecame系动词用于连接主语和表语.即用于主+系+表结构，说明主语的状态，性质，特征或身份。最常见的系动词是be，它的变化形式为：am,is,are,was,were,been.一.系动词(linkingverb)定义subjectThenewmedicineiseffective.state1.be动词(am,is,are,was,were,been)2.似乎类.如:appear,seem3.感官类.如:look,sound,feel,taste,smell4.变化类.如:become,get,grow,go,turn,fall5.保持/仍然类.如：keep,remain,stay,stand6.其它类:prove(证明是/显出是)二.系动词的分类1.IamSandy.2.SurfingtheInternetisreallyinteresting.3.WearenowinneedofEnglishteachers.4.Thequestionishowtosolvetheproblem.5.WhatwewanttoknowiswhowillgiveusthelecturenextMonday.be动词(am,is,are,was,were,been)作系动词1.Thoughsheisinher50s,sheappearsyoung.2.Theyappear/seeminfavorofthenewdrug.3.Itseemscommonforpeopletothinkofpenicillinwhentheyhaveafever.4.Theyseemtohavemisunderstoodme.5.Itseemsthattheyhavemisunderstoodme.似乎类：appear/seemseem/appear(tobe)+adj./n.seem/appear+介词短语seem/appeartodo/tobedoing/tohavedoneItseems/appearsthatclause1.Iprefermusicthatsoundscheerful.2.Ifyoualwayseatfastfood,vegetablesmaynottastedelicioustoyou.3.Thebaby’sskinfeelssoftandsmooth.4.Henotedthatadishinwhichhewastryingtogrowbacteriaforanexperimentlookedabnormal—ithadbluemouldinit.5.Theairoftensmellsbadinthisroom.感官类：look,sound,feel,taste,smelllook,sound,feel,taste,smell+adj.1.Leavesturngreeninspring.(turn+white/red/grey)2.Thefoodwillgobadifyoudon’tputitintotherefrigerator.(go+bad/wrong/mad/deaf/crazy)3.Hegrewannoyedwhenthegirlaskedhimanothersillyquestion.(grow+old/hot/taller…)4.Withinashorttime,aspirinbecamethebest-sellingmedicineintheworldforpainrelief.5.Johngetseasilyexcitedwhenheplayscomputergames.(get+angry/cold/upset/lost/caught/)6.Shefellasleepthemomentshegotintobed.(fall+asleep/ill…)变化类系动词become,get,grow,go,turn,fall1.Youshouldn’tkeepquietinadebate.(keepwarm/safe/dry/quiet/still…)2.Peoplestayedsilentwhiletheprofessorwasgivinghislecture.(stay+young/calm/quiet/warm/thesame)3.Medicineremainsapowerfultoolthathelpsimproveourlives.(remain+seated/thebestfilm/athome…)4.Manyhousesstandempty/idle(闲置/空闲)保持/仍然类系动词keep,remain,stay,stand1.PeterbecameajudgebutJohnremainedafisherman.2.Heremainedsilentatthemeetingthoughhewasencouragedtosaysomething.3.Thedoorremainedclosed.4.Thedoctorsaidthemaninjuredinthecaraccidentremainedindanger.5.Alotofworkremainstobefinished.6.Itremainstobeseenwhetherornottheoperationissuccessful.remain+n./adj./v-ed/-ing/prep.(sth)remain+tobedone.(sb.)remainsseated1.(2006湖北)Itwasalreadypastmidnightandonlythreeyoungmenintheteahouse．A.leftB.remainedC.delayedD.deserted2.(2006安徽)Pleaseremain______—untiltheplanehascometoacompletestop.A.tosealB.tobeseatedC.seatingD.seated3.(2008辽宁)Pleaseremain______；thewinneroftheprizewillbeannouncedsoon.A.seatingB.seatedC.toseatD.tobeseated高考真题再现4.(2009安徽)______acertaindoubtamongthepeopleastothepracticalvalueoftheproject.A.ithasB.TheyhaveC.ItremainsD.Thereremains5.（2008重庆）Theartistwasbornpoor,___poorheremainedallhislife.A.andB.orC.butD.so6.(2006浙江)Itremains________whetherJim’llbefitenoughtoplayinthefinals.A.seenB.tobeseenC.seeingD.tosee本句可还原为：andheremainedpoorallhislife.Itremainstobeseen尚不确定，说不准1.TheInternetprovedofgreatvaluetousduringourproject.2.Bothofthesemedicineshavesavedmillionsofpeople’slivesandhaveprovedbeneficialtomankindsincetheywereinvented.3.Astimewenton,Einstein'stheoryprovedtobecorrect.4.Hisefforts,however,provedafailure.其它类系动词prove(证明是)prove+(tobe)adj./n./prep.-phrase/adj.一般而言,几乎所有的系动词后都能跟接形容词作表语,也可接名词，介词短语或动词不定式(tobe)作表语.a.Theyremainedsilentaboutthewholething.b.Penicillinbecamethegreatestdrugofthe20thcentury,savingmillionsoflives.c.ThearticleisaboutusingtheInternettohelppeople.d.Heseemstobeverysad.三、系动词的用法系动词不用于进行时(除“变化”类外)一般不用被动语态后接表语（多为adj.有时是n./介词短语或非谓语动词)[考例1]Thewater______coolwhenIjumpedintothepoolformorningexercise.(2006全国卷I)A.wasfeltB.isfeltC.feltD.feels[考例2]Theflowers______sweetinthebotanicgardenattractthevisitorstothebeautyofnature.(2004上海)A.tosmellB.smellingC.smeltD.tobesmelt[考例3]Myparentshavealwaysmademe_____aboutmyself,evenwhenIwastwelve.(江苏2007)A.feelingwellB.feelinggoodC.feelwellD.feelgooda.Thenewly-inventedsoftdrinkingtastesquiteunique.b.Thechefistastingthefishcarefully.某些系动词既可作系动词，又可作实义动词此句中taste做系动词，不能使用进行时，后面接形容词此句taste做实义动词，可以使用进行时，且后面接副词做状语Trueorfalse?Thiskindofcakestastesgood.Thiskindofcakessellsgood.Whenshegreetsuseveryday,shesmilesfriendlyatus.Whensheknewthetruth,shebecamefriendlytous.Hearinghissonfailedagain,hesoundedangrily.Knowingthatbothhisparentswereinjuredintheaccident,hewentmad.Themeatkeptinafridgedoesn’tgobadeasily.WhydoyouoftenkeepquietlyinEnglishclasses?Languagepoints1.wearsbou