高中英语 Unit3 Amazing people Grammar and usage课件 牛津译林版必修2.ppt

canyoutellmesomethingabouthowardcarter notlongafterthetombofkingtutankhamenhadbeenopened peopleincarter steambegantofallillanddiestrangely whatverbtensesareusedinthesentence lead in pastperfecttense howcanweformthepastperfect had v ed theusageofthepastperfect upontheirenteringthetomb carter sluckypetbird whichhehadleftincairo wasswallowedbyasnake carterlefthisluckypetbirdincairo carter sluckypetbirdwasswallowedbyasnake past present 过去完成时表示过去某一时间或动作之前已经发生或完成的动作 它表示动作发生的时间为 过去的过去 wehidtheentrancetothetomb saidcarter cartersaidthattheyhadhiddentheentrancetothetomb past present theyhidtheentrancetothetomb cartersaid 过去完成时常用在主句是一般过去时的间接引语中 ihaddonemyhomeworkthismorningbeforeiwenttothemuseum past present ihaddonemyhomeworkthismorning iwenttothemuseum 过去完成时表示在过去的两个动作或事件中 一个先于另一个发生 当相隔时间不久 过去完成时常与by for before since等介词短语或由after before since when bythetime until等引导的时间状语从句连用 anamazingperson ameliaearhart whathappenedtoher readthenotesaboutameliaearhartonpage49 practice completethestoryonpage49 ameliaearhartwasbornon24thjuly1897 shehadanexcitingchildhood beforeshemovedtodesmoines she hadalreadyseenherfirstairplane she homeagain backtochicago sixyearslater sheworkedasanurseinthefirstworldwarandbecameinterestedinflying she already flyinglessonsbeforesheboughtherfirstplane thenherinterestinflyingreallybegantogrow in1929 sheorganizedanairraceforwomen ayearearlier she thefirstwomanairpassengertoflyacrosstheatlantic moved had taken hadbecome shemarriedgeorgeputnamin1931 they threeyearsbeforewhenheinterviewedherinnewyork in1932 shebecamethefirstwomantoflyaloneacrosstheatlantic on1june1937 she herround the worldflight theflightwentwellinjune shereachednewguineaonthe29th she flyingnearlyamonthearlier whenthebasetriedtogetintouchwithameliaat9 30p m 0n2ndjuly1937 she already missing hadmet started hadstarted had gone thesimplepasttenseorthepastperfecttense differences whenthetitanicwasbuilt peoplethoughtitwouldneversink however thispassengership surprise everyonewhenitsankonitsfirstjourney thetitanicwasbuiltinbelfast ireland itsmakers spend agreatdealofmoneybuildingtheship whenitwasfinished itwasthelargestandmostcomfortableshipeverbuilt thetitanicsetsailon10thapril1921 i want tosetfootonthetitaniceversinceitwasbuilt saidmollybrown atitanicsurvivor ineverthoughtitwouldsink on13thapril thetitanicwassailingatfullspeedtowardsnewyork surprised spent hadwanted thecaptain receive warningsabouticebergsallday buthadpaidlittleattentiontothewarningsasthey arrive at2 20a m thetitanicsankintothesea it hit anicebergjustovertwohoursbefore ofthe2 200peopleontheship only705 survive explorerrobertballard search forthetitanicformorethan20yearbeforehefoundit whennewtechnologywasdeveloped we use ittosendcamerasdownintosea finally wefoundtheship withhiscameras hewasabletofindtheholealongthesideoftheshipwhich 10 cause ittofillwithwaterandsink hadreceived arrived hadhit hadsearched used hadcaused survived summary whetherthesimplepasttenseorthepastperfecttenseisuseddependsonthesequenceoftheevents anotheramazingperson cailun whatdidhesay andwhatdidhedo readthesentencesonpage51andthencompletethearticle thepresentperfectorthepastperfect theinventorofpapercailunisafamouschineseinventor knownforinventingpaper caiinventedpaperinad105 but manyothertimes beforehisinventionworked cai usingmanydifferentpartsoftreesandplants andoldfishingnetstomakepaper aftercaiinventedpaper peoplealloverasiausedit atthattimeinthewest noone ofcaiorpaper theydidnotlearnhowtomakepaperuntilad751 westernerswho severalchinesepapermakersduringawartold