2023年中考英语二轮复习 现在完成时与一般过去时比较 课件

Presentperfectandpast单击添加副标题汇报人：小明202XPresentperfectandpastStudythisexamplesituation:

Tomislookingforhiskey.Hecan’tfindit.Hehaslosthiskey.(presentperfect)Thismeansthathedoesn’thavehiskeynowPresentperfectandpastTenminuteslater:NowTomhasfoundhiskey.Hehasitnow.Hashelosthiskey?No,hehasfoundit.Didhelosehiskey?Yes,hedid.Helosthiskey(pastsimple)butnowhehasfoundit.(presentperfect)PresentperfectandpastThepresentperfect(somethinghashappened)isapresenttense.Ittellsusaboutthesituationnow.‘Tomhaslosthiskey’=hedoesn’thavehiskeynowThepastsimple(somethinghappened)tellsusonlyaboutthepast.Ifsomebodysays‘Tomlosthiskey’,wedon’tknowwhetherhehasthekeynowornot.Weknowonlythathelostitatsometimeinthepast.PresentperfectandpastComparepresentperfectandpastsimple:They’vegoneaway.They’llbebackonFriday.(theyareawaynow)Theywentaway,butIthinkthey’rebackathomenow.(notThey’vegoneaway)Ithasstoppedrainingnow,sowedon’tneedtheumbrella.(itisn’trainingnow)Itstoppedrainingforawhile,butnowit’srainingagain.(notIthasstopped)PresentperfectandpastYoucanusethepresentperfectforneworrecenthappenings:I’verepairedthewashingmachine.It’sworkingOKnow.‘Hannahhashadababy!It’saboy.’‘That’sgreatnews.’Usually,youcanalsousethepastsimple:Irepairedthewashingmachine.It’sworkingOKnow.PresentperfectandpastUsethepastsimple(notthepresentperfect)forthingsthatarenotrecentornew:Mozartwasacomposer.Hewrotemorethan600piecesofmusic.(nothasbeen…haswritten)MymothergrewupinItaly.(nothasgrown)Compare:Somebodyhasinventedanewtypeofwashingmachine.Whoinventedthetelephone?(nothasinvented)PresentperfectandpastWeusethepresentperfecttogivenewinformation(seeUnit7).Butifwecontinuetotalkaboutit,wenormallyusethepastsimple:a:Ow!I’veburntmyself.b:Howdidyoudothat?(nothaveyoudone)a:Ipickedupahotdish.(nothavepicked)a:Look!Somebodyhasspiltsomethingonthesofa.b:Well,itwasn’tme.Ididn’tdoit.(nothasn’tbeen…haven’tdone)PresentperfectandpastExercisesAretheunderlinedpartsofthesesentencesOK?Correctthemwherenecessary.1DidyouhearaboutSophie?She’sgivenupherjob.OK2MymotherhasgrownupinItaly.Mymothergrewup3HowmanyplayshasWilliamShakespearewritten?4I’veforgottenhisname.IsitJoeorJack?5Whohasinventedpaper?Presentperfectandpast6Drugshavebecomeabigproblemeverywhere.7We’vewashedthecar,butnowit’sdirtyagain.8Wherehaveyoubeenborn?9Elliehasgoneshopping.She’llbebackinaboutanhour.10AlbertEinsteinhasbeenthescientistwhohasdevelopedthetheoryofrelativityPresentperfectandpast6Drugshavebecomeabigproblemeverywhere.7We’vewashedthecar,butnowit’sdirtyagain.8Wherehaveyoubeenborn?9Elliehasgoneshopping.She’llbebackinaboutanhour.10AlbertEinsteinhasbeenthescientistwhohasdevelopedthetheoryofrelativityPresentperfectandpastAnswers：3didWilliamShakespearewrite4OK5Whoinvented6OK7Wewashed8Wherewereyouborn?9OK10AlbertEinsteinwasthescientistwhodevelopedPresentperfectandpastPuttheverbintothecorrectform,presentperfectorpastsimple.1Itstoppedrainingforawhile,butnowit’srainingagain.(it/stop)2ThetownwhereIliveisverydifferentnow.Ithaschangedalot.(it/change)3IstudiedGermanatschool,butmostofitnow.(I/forget)4Thepolicethreepeople,butlatertheyletthemgo.(arrest)Presentperfectandpast5WhatdoyouthinkofmyEnglish?Doyouthink?(it/improve)6Areyoureadytogo?yourcoffee?(you/finish)7forajobasatourguide,butIwasn’tsuccessful.(I/apply)8Where’smybike?outsidethehouse,butit’snottherenow.(it/be)Presentperfectandpast9Quick!Weneedtocallanambulance.anaccident.(there/be)10a:I’vefoundmyphone.b:Oh,good.Whereit?(you/find)a:atthebottomofmybag.(It/be)11a:Benwon’tbeabletoplaytennisforawhile.hisarm.(He/break)b:Oh.How?(that/happen)a:offaladder.(He/fall)PresentperfectandpastAnswers：3I’veforgotten/Ihaveforgotten4arrested5it’simproved/ithasi