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

unit3 grammarandusage pastperfecttense 1 whenmarkopenedthedoor hesawawomanstandingthere he herbefore a neversawb hadneverseenc neverseesd hasneverseen2 thenewscameasnosurprisetome fori ofitearlier a hearb heardc haveheardd hadheard haveatry form haddone whentouse thepastperfecttenseisoftenusedwiththesimplepasttense ifoneactionhappensbeforeanotherinthepast thepastperfecttenseisused present past thepastperfecttenseshowsus过去的过去 uponenteringthetomb carter sluckypetbird whichhadledhimtotheplace waseatenbyasnake present past carter sluckypetbirdledcartertothesite carter sluckypetbirdwaseatenbyasnake thepastperfecttenseusedinreportedspeech present past weemptiedthetombofeverythingitcontained saidcarter cartersaidthattheyhademptiedthetombofeverythingitcontained theyemptiedthetombofeverythingitcontained cartersaidthattheyhademptiedthetomb theuseofthepastperfecttensesimplyindicatesthatanactioncomesbeforeanotherpastaction happenbefore ihaddonemyhomeworkthismorningbeforeiwenttothemuseum usedwithtimeexpressionssuchaswhen after before assoonas until by forandalready carteropenedkingtutankhamun stomb thenafewmonthsaftercarterhadopenedthetomb lordcarnarvonfellillwithafeveranddied lordcarnarvondied past present ameliaearhart ameliaearhart ameliaearhartwasbornon24thjuly1897 shehadanexcitingchildhood beforeshemovedtodesmoines she already herfirstaeroplane she homeagain backtochicago sixyearslater sheworkedasanurseinthefirstworldwarandbecameinterestedinflying she already flyinglessonsbeforesheboughtherfirstplane thenherinterestinflyingreallybegantogrow in1929 sheorganizedanairraceforwomen ayearearlier she thefirstwomanairpassengertoflyacrosstheatlantic had seen moved had taken hadbecome shemarriedgeorgeputnamin1931 they threeyearsbeforewhenheinterviewedherinnewyork in1932 shebecamethefirstwomantoflyaloneacrosstheatlantic by2ndjune1937 she herround the worldflight theflightwentinjune shereachednewguineaonthe29th she flyingnearlyamonthearlier whenbasetriedtocontactameliaat9 30p m 0n2ndjuly1937 she already missing hadmet hadbegun hadstart had gone thetitanic whenthetitanicwasbuilt peoplethoughtitwouldneversink however thispassengership surprise everyonewhenitsankonitsfirstjourney thetitanic build inbelfast ireland itsmarkers spend agreatdealofmoneybuildingtheship whenit finish itwasthelargestandmostcomfortableshipeverbuilt thetitanicsetsailon10thapril1921 i want tosetfootonthetitaniceversinceitwasbuilt saidmollybrown atitanicsurvivor ineverthoughtitwouldsink on13thapril thetitanicwassailingatfullspeedtowardsnewyork surprised wasbuilt spent wasfinished hadwanted thecaptain receive warningsabouticebergsallday buthadpaidlittleattentiontothewarningsasthey arrive at2 20a m thetitanicsankintothesea it hit anicebergjustovertwohoursbefore ofthe2 200peopleontheship only705 survive explorerrobertballard search forthetitanicformorethan20yearbeforehefoundit whennewtechnologywasdeveloped we 11 use ittosendcamerasdownintosea finally wefoundtheship withhiscameras hewasabletofindtheholealongthesideoftheshipwhich cause ittofillwithwaterandsink hadreceived arrived hadhit hadsearched used hadcaused survived presentperfectorpastperfect thepresentperfecttenseisusedwhenwearetalkingaboutapasteventwhichrelatestothepresenttime e g howardcarterisoneofthemostfamousexplorerstheworldhaseverknown thepastperfecttenseisusedwhenwearediscussingthepastandwanttotalkaboutanevenearlierevent e g notlongafterthetombhadbeenopened peopleincarter steambegantofallillanddiestrangely cailun theinventorofpapercailunisafamouschineseinventor knownforinventingpaper caiinventedpaperinad105 but manyothertimes beforehisinventionworked cai usingmanydifferentpartsoftreesandplants andoldfishingnetstomakepaper aftercaiinventedpaper peoplealloverasiausedit atthattimeinthewest noone ofcaiorpaper theydidnotlearnhowtomakepaperuntilad751