Book 2_U3_Grammar and usage

牛津高中英语(模块二·高一上学期)Grammarandusage板块：教学设计—课件Unit3PastperfecttenseUnit3课件描述：以观察—发现—讨论—归纳—运用为主要教学模式，充分利用本单元语言素材，通过多种图示和语法规则的呈现，让学生比较全面系统地掌握过去完成时的用法、一般过去时与过去完成时的用法区别及现在完成时与过去完成时的用法区别。Lead-in•What’sthetopicofUnit3?•Howmanyamazingpeoplehavewereadaboutinthisunit?Whoarethey?•CanyoutellmesomethingaboutHowardCarter?Lead-in•NotlongafterthetombofKingTutankhamenhadbeenopened,peopleinCarter’steambegantofallillanddiestrangely.•Whatverbtensesareusedinthesentence?PastPerfectTense•Howcanweformthepastperfect?•Reread“Thecurseofthemummy”andunderlinethesentencesinwhichthepastperfecttenseisused.had+verb-ed•…•NotlongafterthetombofKingTutankhamenhadbeenopened,peopleinCarter’steambegantofallillanddiestrangely.•Uponenteringthetomb,Carter’sluckypetbird,whichhadledhimtotheplace,waseatenbyasnake.•…PastPerfectTenseTheusageofthepastperfectUponenteringthetomb,Carter’sluckypetbird,whichhadledhimtotheplace,waseatenbyasnake.Carter’sluckypetbirdhadledCartertothesite.Carter’sluckypetbirdwaseatenbyasnake.PastPresentTheusageofthepastperfectPastPresentThepastperfecttenseshowsus“过去的过去”PastSummary:Thepastperfecttenseisoftenusedwiththesimplepasttense.Ifoneactionhappensbeforeanotherinthepast,thepastperfecttenseisused.Theusageofthepastperfect“Weemptiedthetombofeverythingitcontained,”saidCarter.Cartersaidthattheyhademptiedthetombofeverythingitcontained.PastPresentTheyhademptiedthetombofeverythingitcontained.CartersaidSummary:Thepastperfecttenseisoftenusedinreportedspeech.TheusageofthepastperfectIhaddonemyhomeworkthismorningbeforeIwenttothemuseum.PastPresentIhaddonemyhomeworkthismorning.Iwenttothemuseum.Summary:Theuseofthepastperfecttensesimplyindicatesthatanactioncomesbeforeanotherpastaction.Itdoesnotmeanthatthepastactionhappenedalongtimeago.TheusageofthepastperfectBythe1920s,hehadbecomeanexplorer,searchingforthetombsoftheEgyptiankings.PastPresentHehadbecomeanexplorer.The1920sSummary:Thepastperfecttenseisoftenusedwithtimeexpressionssuchaswhen,after,before,assoonas,until,by,forandalready.Anotheramazingperson---AmeliaEarhartWhathappenedtoher?ReadthenotesaboutAmeliaEarhartonpage49.PracticeCompletethestoryonpage49.AmeliaEarhartwasbornon24thJuly1897.Shehadanexcitingchildhood.BeforeshemovedtoDesMoines,she⑴_____already_____herfirstairplane.She⑵_______homeagain,backtoChicago,sixyearslater.SheworkedasanurseintheFirstWorldWarandbecameinterestedinflying.She⑶______already_______flyinglessonsbeforesheboughtherfirstplane.Thenherinterestinflyingreallybegantogrow.In1929,sheorganizedanairraceforwomen.Ayearearlier,she⑷______________thefirstwomanairpassengertoflyacrosstheAtlantic.hadseenmovedhadtakenhadbecomeShemarriedGeorgePutnamin1931.They⑸_________threeyearsbeforewhenheinterviewedherinNewYork.In1932,shebecamethefirstwomantoflyaloneacrosstheAtlantic.By2ndJune1937,she⑹____________herround-the-worldflight.TheflightwentwellinJune.ShereachedNewGuineaonthe29th.She⑺_____________flyingnearlyamonthearlier.WhenbasetriedtocontactAmeliaat9.30p.m.0n2ndJuly1937,she⑻_____already________missing.hadmethadbegunhadstartedhadgoneThesimplepasttenseorthepastperfecttenseWhentheTitanicwasbuilt,peoplethoughtitwouldneversink.However,thispassengership⑴__________(surprise)everyonewhenitsankonitsfirstjourney.TheTitanic⑵____________(build)inBelfast,Ireland.Itsmakers⑶_________(spend)agreatdealofmoneybuildingtheship.Whenit⑷_______________(finish),itwasthelargestandmostcomfortableshipeverbuilt.TheTitanicsetsailon10thApril1921.‘I⑸_____________(want)tosetfootontheTitaniceversinceitwasbuilt,’saidMollyBrown,aTitanicsurvivor.‘Ineverthoughtitwouldsink.’On13thApril,theTitanicwassailingatfullspeedtowardsNewYork.surprisedwasbuiltspentwasfinishedhadwantedThecaptain⑹______________(receive)warningsabouticebergsallday,buthadpaidlittleattentiontothewarningsasthey⑺__________(arrive).At2.20a.m.,theTitanicsankintothesea.It⑻__________(hit)anicebergjustovertwohoursbefore.Ofthe2,200peopleontheship,only705⑼___________(survive).ExplorerRobertBallard(10)_____________(search)fortheTitanicformorethan20yearbeforehefoundit.‘Whennewtechnologywasdeveloped,we(11)________(use)ittosendcamerasdownintosea.Finally,wefoundtheship.’Withhiscameras,hewasabletofindtheholealongthesideoftheshipwhich(12)______________(cause)ittofillwithwaterandsink.hadreceivedarrivedhadhithadsearchedusedhadcausedsurvivedSummary:Whetherthesimplepasttenseorthepastperfecttenseisuseddependsonthesequenceoftheevents.Thepresentperfectorthepastperfect?HowardCarterisoneofthemostfamousexplorerstheworldhaseverknown.PastPresentFutureHowardCarterbecamefamous.Summary:Thepresentperfecttenseisusedwhenwearetalkingaboutapasteventwhichrelatestothepresenttime.Thepresentperfectorthepastperfect?PastPresentThetombofKingTutankhamenhadbeenopened.PeopleinCarter’steambegantofallillanddiestrangely.NotlongafterthetombofKingTutankhamenhadbeenopened,peopleinCarter’steambegantofallillanddiestrangely.Summary:ThePastPerfecttenseisusedwhenwearediscussingthepastandwanttotalkaboutanevenearlierevent.HowardCartersaidthathehadstayedinEgyptformorethan30years,searchingforthetombsoftheEgyptiankings.Thep