江苏省常州市西夏墅中学高中英语 Unit3 Amazing people Grammar and usage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 what sthetopicofunit3 howmanyamazingpeoplehavewereadaboutinthisunit whoarethey canyoutellmesomethingabouthowardcarter lead in upontheirenteringthetomb carter sluckypetbird whichhehadleftincairo wasswallowedbyasnake whatverbtensesareusedinthesentence pastperfecttense howcanweformthepastperfect reread thecurseofthemummy andunderlinethesentencesinwhichthepastperfecttenseisused had verb ed bythe1920s hehadbecomean upontheirenteringthetomb carter sluckypetbird whichhehadleftincairo wasswallowedbyasnake afewmonthsaftercarterhadopenedthetomb pastperfecttense theusageofthepastperfect upontheirenteringthetomb carter sluckypetbird whichhehadleftincairo wasswallowedbyasnake carterlefthisluckypetbirdincairo carter sluckypetbirdwasswallowedbyasnake 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 anotheramazingperson ameliaearhart 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 anotheramazingperson cailun whatdidhesay andwhatdidhedo readthesentencesonpage51andthencompletethearticle theinventorofpapercailunisafamouschineseinventor knownforinventingpaper caiinventedpaperinad105 but manyothertimes beforehisinventionworked cai usingmanydifferentpartsoftreesandplants andoldfishingnetstomakepaper aftercaiinventedpaper peoplealloverasiausedit atthattimeinthewest noone ofcaiorpaper theydidnotlearnhowtomakepaperuntilad751 westernerswho sev