人教版必修第二册 Unit 4 History and Traditions Discovering Useful Structures 课件（内嵌视频）

Unit

4

HistoryandTraditionsPeriod-3DiscoveringusefulstructuresAfterlearningthisclass,studentswillbeableto:learnthevocabularyrelatedtotheTitanic.understandtheusageandfunctionofpasttenseparticiplesasattributivesandobjectcomplements.usepastparticiplesasattributivesandobjectcomplementsinrealcontextstoexpressemotionsanddescribesituations.

LearningobjectivesPartIThePastParticipleastheAttributeLead-inWhat

have

you

seen？ObserveanddiscoverThedamagedhullbegantotakeinwater,signalingtheimpendingdisaster.Thecrackedicebergleftadeepscaralongthesideoftheship.Theshatteredglassfrombrokenwindowsscatteredacrossthefloorastheshipjolted.Theshockedpassengers,frozenindisbelief,staredatthegapingholeintheship'sside.Thepiercedsteelplatesgroanedunderthepressureastheshipbegantolist.Whathaveyoufound?ObserveanddiscoverThedamagedhullbegantotakeinwater,signalingtheimpendingdisaster.Thecrackedicebergleftadeepscaralongthesideoftheship.Theshatteredglassfrombrokenwindowsscatteredacrossthefloorastheshipjolted.Theshockedpassengers,frozenindisbelief,staredatthegapingholeintheship'sside.Thepiercedsteelplatesgroanedunderthepressureastheshipbegantolist.What’sthefunctionofboldwords?Whatwillhappenifweremovethem?ObserveanddiscoverThedamagedhullbegantotakeinwater,signalingtheimpendingdisaster.Thehullbegantotakeinwater,signalingtheimpendingdisaster.Thecrackedicebergleftadeepscaralongthesideoftheship.Theicebergleftadeepscaralongthesideoftheship.Theshatteredglassfrombrokenwindowsscatteredacrossthefloorastheshipjolted.Theglassfrombrokenwindowsscatteredacrossthefloorastheshipjolted.Theshockedpassengers,frozenindisbelief,staredatthegapingholeintheship’sside.Thepassengersstaredatthegapingholeintheship’sside.Thepiercedsteelplatesgroanedunderthepressureastheshipbegantolist.Thesteelplatesgroanedunderthepressureastheshipbegantolist.Arethosesentencesstillgrammaticallyacceptable?ObserveanddiscoverThedamagedhullbegantotakeinwater,signalingtheimpendingdisaster.Thehullbegantotakeinwater,signalingtheimpendingdisaster.Conclusion:Theattributescanmodifynounstoenrichthemeaningofsentencesandexpressmorecomplicatedmeaning.ObserveanddiscoverThedamagedhullbegantotakeinwater,signalingtheimpendingdisaster.Thecrackedicebergleftadeepscaralongthesideoftheship.Theshatteredglassfrombrokenwindowsscatteredacrossthefloorastheshipjolted.Theshockedpassengers,frozenindisbelief,staredatthegapingholeintheship’sside.Thepiercedsteelplatesgroanedunderthepressureastheshipbegantolist.Thinkingtip:Payattentiontothepositionsofpastparticiples.ObserveanddiscoverTheshockedpassengers,frozenindisbelief,staredatthegapingholeintheship’sside.Conclusion:Asinglepastparticiple,whenusedasanattribute,precedesthenounorpronounitmodifiesConclusion:Thepastparticiplephraseisusuallypositionedaftertheworditmodifies.Conclusion:Asinglepastparticiple

should

be

positionedafterthewordwhenmodifyinganindefinitepronounordemonstrativepronoun.ObserveanddiscoverDamagedhullShockedpassengersShatteredglassCrackedicebergPollutedriverConclusion:Thepastparticiples(phrases)indicatepassiveness,completeorstate.ObserveanddiscoverfallenleavesObserveanddiscoverfallingleavesfallenleavesObserveanddiscoverSunken

shipSinking

shipPassengerstrappedbelowdeckSailorsworkingfranticallyNegative（passive）,finishedPositive,ongoingObserveanddiscoverShocked

crewfrightenedpassengersShocking

accidentfrightening

eventConclusion:Presentparticipleexpressesthenatureofthenounitmodifies,whilepastparticipleexpressesthestateofthenounitmodifies.ObserveanddiscoverTheshockedpassengers,frozenindisbelief,staredatthegapingholeintheship’sside.Theshockedpassengers,whowerefrozenindisbelief,staredatthegapingholeintheship’sside.Conclusion:ThestructureofpastparticiplephrasecanberegardedastheomittedversionofattributiveclausePracticeandimprove这个被很多人喜爱的运动员叫姚明.Theplayer____________________isYaoMing.=Theplayer________________bymanypeopleisYaoMing.床前明月光，疑似地上霜Litbymoon,thelightonmyfloor;lookslikefrostspreadontheground.＝Litbythemoon,thelightthatisonmyfloorlookslikefrost____________________ontheground.lovedbymanypeoplewhospreadiswhich/thatlovedisPracticeandimprove1.“白日依山尽，黄河入海流”Thesun______bymountainssinksfromsight;theYellowRiverflowstothesea______withlight.(hide,paint)2.“春眠不觉晓，处处闻啼鸟”______inspringsleep,Imissthedawn’slight;birds’songs______everywherebreakthenight.(lose,hear)3.“孤舟蓑笠翁，独钓寒江雪”Anoldmaninaboat,__________bystraw;fishesaloneintheriver__________bysnow.(cover,chill)Fillinthebankswiththegivenproperformsofgivenwords.chilledheardLosthiddenpaintedcoveredPartIIThePastParticipleasObjectComplementObserveanddiscoverFromthedeck,peoplesawthemassiveicebergsurroundedbyfloatingdebris.ObservetherulesofthepastparticipleObserveanddiscoverTheofficersobservedthedamagecausedbytheicebergwithgrowingconcern.ObservetherulesofthepastparticipleObserveanddiscoverThepassengerswatchedthelifeboatsloweredintothefreezingocean.ObservetherulesofthepastparticipleObserveanddiscoverThepassengerswatchedthelifeboatsloweredintothefreezingocean.Theofficersobservedthedamagecausedbytheicebergwithgrowingconcern.Fromthedeck,peoplesawthemassiveicebergsurroundedbyfloatingdebris.Conclusion:Participlesfunctioningasobjectcomplementsareusuallyusedincombinationwithverbsexpressingperception,sensationanddiscovery.Suchverbsinclude:watch,observe,see,hear,listento,feel,notice,find,etc.ObserveanddiscoverThedisastermadetheship’sfatesealedwithinminutes.ObservetherulesofthepastparticipleObserveanddiscoverTheofficerskeptthefirst-classpassengersinformedaboutthesituation.ObservetherulesofthepastparticipleObserveanddiscoverThecrewtriedtogetthepassengersorganizedforevacuation.ObservetherulesofthepastparticipleObserveanddiscoverConclusion:Participialphrasesfunctioningasobjectcomplementsareusuallyusedincombinationwithverbsexpressingthemeaningof“resultingin”or“causing”.Forexample,verbslikehave,make,get,keep,etc.Thedisastermadetheship’sfatesealedwithinminutes.Theofficerskeptthefirst-classpassengersinformedaboutthesituation.Thecrewtriedtogetthepassengersorganizedforevacuation.ObserveanddiscoverManypassengerswouldliketheirluggagebroughtsafelytothelifeboats.ObservetherulesofthepastparticipleObserveanddiscoverThecrewwishedthebrokenlifeboatsrepairedbeforethefinalevacuation.ObservetherulesofthepastparticipleObserveanddiscoverThecaptainorderedtheemergencysignalssentimmediatelyafterthecollision.ObservetherulesofthepastparticipleObserveanddiscoverConclusion:Participialphrasesfunctioningasobjectcomplementsareusuallyusedincombinationwithwordsexpressingwishes,commandsordesires,suchaswant,expect,wouldlike,wish,orderetc.Manypassengerswouldliketheirluggagebroughtsafelytothelifeboats.Thecrewwishedthebrokenlifeboatsrepairedbeforethefinalevacuation.Thecaptainorderedtheemergencysignalssentimmediatelyafterthecollision.PracticeandimproveFillinthebankswiththegivenproperformsofgivenwords.Thecaptainhadthemessages(send)________tonearbyshipstoaskforhelp.Theorchestrakeptthebeautifulmusic(play)________untiltheveryend.Therescueteamgotthesurvivors(lift)________ontotheCarpathiasafely.Theofficermadethelifeboats(prepare)________quicklyforthewomenandchildren.Thekind-heartedpassengerswishedtheirlovedones(protect)________duringtheevacuation.PracticeandimproveFillinthebankswiththegivenproperformsofgivenwords.Astudy____________(conduct)inYoungstown,Ohio(俄亥俄州扬斯敦)forexample,discoveredthatgreenerareasofthecityexperiencedlesscrime.Theseincludeplantsthathavesensors_______(print)ontotheirleavestoshowwhenthey’reshortofwaterandaplantthatcandetectharmfulchemicalsingroundwater.Listeningtomusicathomeisonething,goingtohearit__________(perform)liveisquiteanother.IneedanewpassportsoIwillhavetohavemyphotograph______(take).conductedprintedperformedtakenSummaryGrammaticalpointsTheattributescanmodifynounstoenrichthemeaningofsentencesandexpressmorecomplicatedmeaning.Asinglepastparticiple,whenusedasanattribute,precedesthenounorpronounitmodifiesThepastparticiplephraseisusuallypositionedaftertheworditmodifies.Asinglepastparticiple

should

be

positionedafterthewordwhenmodifyinganindefinitepronounordemonstrativepronoun.Thepastparticiples(phrases)indicatepassiveness,completeorstate.Presentparticipleexpressesthenatureofthenounitmodifies,whilepastparticipleexpressesthestateofthenounitmodifies.Thestructureofpastparticiplephrasecanberegardedastheom