高中英语Unit3AmazingpeopleGrammarandusage课件牛津译林版必修2.ppt

牛津高中英语,(模块二高一上学期),AdvancewithEnglish,Grammarandusage,Unit3,Pastperfecttense,Unit3,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,WhatsthetopicofUnit3?Howmanyamazingpeoplehavewereadaboutinthisunit?Whoarethey?CanyoutellmesomethingaboutHowardCarter?,Lead-in,Upontheirenteringthetomb,Cartersluckypetbird,whichhehadleftinCairo,wasswallowedbyasnake.Whatverbtensesareusedinthesentence?,Pastperfecttense,Howcanweformthepastperfect?Reread“Thecurseofthemummy”andunderlinethesentencesinwhichthepastperfecttenseisused.,had+verb-ed,Bythe1920s,hehadbecomeanUpontheirenteringthetomb,Cartersluckypetbird,whichhehadleftinCairo,wasswallowedbyasnake.AfewmonthsafterCarterhadopenedthetomb,.,Pastperfecttense,Theusageofthepastperfect,Upontheirenteringthetomb,Cartersluckypetbird,whichhehadleftinCairo,wasswallowedbyasnake.,CarterlefthisluckypetbirdinCairo.,Cartersluckypetbirdwasswallowedbyasnake.,Past,Present,Theusageofthepastperfect,Past,Present,Thepastperfecttenseshowsus“过去的过去”.,Past,Summary:Thepastperfecttenseisoftenusedwiththesimplepasttense.Ifoneactionhappensbeforeanotherinthepast,thepastperfecttenseisused.,Theusageofthepastperfect,“Wehidtheentrancetothetomb,”saidCarter.,Cartersaidthattheyhadhiddentheentrancetothetomb.,Past,Present,Theyhidtheentrancetothetomb.,Cartersaidthattheyhadhiddentheentrancetothetomb.,Summary:Thepastperfecttenseisoftenusedtorefertoanactionthathadalreadyhappenedatthetimeofspeaking.,Theusageofthepastperfect,IhaddonemyhomeworkthismorningbeforeIwenttothemuseum.,Past,Present,Ihaddonemyhomeworkthismorning.,Iwenttothemuseum.,Summary:Theuseofthepastperfecttensesimplyindicatesthatanactioncomesbeforeanotherpastaction.Itdoesnotmeanthatthepastactionhappenedalongtimeago.,Theusageofthepastperfect,Bythe1920s,hehadbecomeanexplorer,searchingforthetombsoftheEgyptiankings.,Past,Present,Hehadbecomeanexplorer.,The1920s,Summary:Thepastperfecttenseisoftenusedwithtimeexpressionssuchaswhen,after,before,assoonas,until,by,forandalready.,AnotheramazingpersonAmeliaEarhart,Whathappenedtoher?,ReadthenotesaboutAmeliaEarhartonPage49.,Practice,CompletethestoryonPage49.,AmeliaEarhartwasbornon24July1897.Shehadanexcitingchildhood.BeforeshemovedtoDesMoines,she_already_herfirstairplane.She_toChicago,sixyearslater.SheworkedasanurseintheFirstWorldWarandbecameinterestedinflying.She_already_flyinglessonsbeforesheboughtherfirstplane.Thenherinterestinflyingreallybegantogrow.In1929,sheorganizedanairraceforwomen.Ayearearlier,she_thefirstwomanairpassengertoflyacrosstheAtlantic.,had,seen,moved,had,taken,hadbecome,ShemarriedGeorgePutnamin1931.They_threeyearsbeforewhenheinterviewedherinNewYork.In1932,shebecamethefirstwomantoflyaloneacrosstheAtlantic.On1June1937,she_herround-the-worldflight.TheflightwentwellinJune.ShereachedNewGuineaonthe29th.She_flyingnearlyamonthearlier.WhenthebasetriedtogetintouchwithAmeliaat9.30p.m.0n2July1937,she_already_missing.,hadmet,began,hadstarted,had,gone,Thesimplepasttenseorthepastperfecttense?,WhentheTitanicwasbuilt,peopleassumeditwouldneversink.So,whenitsankonitsfirstjourneythenews(1)_(surprise)everyonegreatly.TheTitanicwasbuiltinBelfast,Ireland.Itsmakers(2)_(spend)agreatdealofmoneybuildingtheextraordinaryship.Whenitwasfinished,itwasthelargestandmostcomfortableshipeverbuilt.TheTitanicsetsailon10April1912.I(3)_(want)tosetfootontheTitaniceversinceitwasbuilt,saidMollyBrown,aTitanicsurvivor.Ineverimagineditwouldsink!On13April,theTitanicwassailingatfullspeedtowardsNewYork.,surprised,spent,hadwanted,Thecaptain,who(4)_(receive)warningsabouticebergsallday,hadmissedthewarningsasthey(5)_(arrive).At2.20a.m.,theTitanicsankintothesea.It(6)_(hit)anicebergjustovertwohoursbefore.Ofthe2,208peopleaboardtheship,only705(7)_(survive).ExplorerRobertBallard(8)_(search)fortheTitanicformorethan20yearbeforehefoundit.Whennewtechnologywasdeveloped,we(9)_(use)ittosendcamerasdownintosea.Finally,wefoundtheship.Withhiscameras,hewasabletofindtheholealongthesideoftheshipwhich(10)_(cause)ittofillwithwaterandsink.,hadreceived,arrived,hadhit,hadsearched,used,hadcaused,survived,Summary:Whethertousethesimplepasttenseorthepastperfecttensedependsonthesequenceoftheevents.,Thepresentperfectorthepastperfect?,HowardCarterisoneofthemostfamousexplorerstheworldhaseverknown.,Past,Present,Future,HowardCarterbecamefamous.,Summary:Thepresentperfecttenseisusedwhenwearetalkingaboutapasteventinconnectionwiththepresenttime.,Thepresentperfectorthepastperfect?,Past,Present,GeorgeGouldhadbeentothetomb.,Hecaughtahighfeveranddied.,GeorgeGouldhadbeentothetombbeforehecaughtahighfeveranddied.,Summary:ThePastPerfecttenseisusedwhenwearediscussingthepastandwanttotalkaboutanevenearlierevent.,AnotheramazingpersonCaiLun,Whatdidhesay?Andwhatdidhedo?,ReadthesentencesonPage51andthencompletethearticle.,TheinventorofpaperCaiLunisafamousChineseinventor,knownforinventingpaper.CaiinventedpaperinAD105,but_manyothertimes.Beforehisinventionworked,Cai_usingmanydifferentpartsoftreesandplants,andoldfishingnetstomakepaper!AfterCaiinventedpaper,peoplealloverAsiausedit.AtthattimeintheWest,noone_ofCaiorpaper.TheydidnotlearnhowtomakepaperuntilAD751.Westernerswho_se