2024届高中英语语法现在完成时课件(共19张PPT)

(共19张PPT)
- present perfect simple & continuous
Time expressions 2
present perfect vs. past
Thepresentperfect(U1&2)Example1:YesterdayI lostmykey.Idon‘thaveakeynow. Ihavelostmykey.Example2:Hewentoutfiveminutesago.Heisnotherenow. Hehasgoneout.ThepresentperfectExample3:Isawagoodfilm lastnight.I stillhavetothinkaboutit. Ihaveseenagoodfilm (recently).Example4:Shetoldmehername.Ican‘trememberitnow. Ihaveforgottenhername.ThepresentperfectI/we/they/youhave(=I‘veetc.)-finished,lost,cut,etc.-walked,talked, etc.He/she/ithas(=he‘setc.)person+have/has+pastparticipleThepresentperfectYourturn:GrammarBook Unit 6, p21, ex.6.1-6.3MurphyCopiesThepresentperfectjust=a short time ago>‘Are you hungry ’ – ‘No, I’ve just eaten.’>Hello.Haveyoujust arrived > ‘Is Paul here ’ – ‘No, he’s just gone out.’Thepresentperfectalready=sooner than expected>I’ve already paidall the bills.>‘When is Paul leaving ’ – ‘He’s already left.’>We’ve already doneour homework.ThepresentperfectYet=until now> Hasitstoppedrainingyet >Ihaven’t sentthe letteryet.>‘Is Paul back ’ – ‘No, hehasn’t returned, yet.’ThepresentperfectHaveyouever... – Yes, Ihave. /No,I‘venever...>HasAnneverbeentoAustralia – Yes,once.>Haveyoueverplayedgolf – Yes, Iplayalot.> Ihaveneverriddena bike inmylife. (1st time)ThepresentperfectHowlonghaveyou... > DanandKatearemarried.Theyhavebeenmarriedforfiveyears. (for=periodoftime)IknowLisa.I‘veknownhersince2023.(since=startingpoint)Thepresentperfectago=beforenow>Whendidyoulastseehim – Oh, Isawhimthreedaysago. ago=referencetothepast pastsimple!!ThepresentperfectPresentperfectcontinuous(1)TimothyislearningGerman.HowlonghashebeenlearningGerman He‘sbeenlearningGermanfortwoyears. TimothyisstilllearningGerman.ThepresentperfectPresentperfectcontinuous(2)Itisraining.Howlonghasitbeenraining It‘sbeenrainingallday. Itisstillraining.ThepresentperfectYourturn:GrammarBook Unit7, p23GrammarBook Unit 9,p27Presentperfectorpast Situation 1:Tomislookingforhiskey.Hehaslostit.Hedoesn‘thavehiskeynow.Situation 2 (10‘later):NowTomhasfoundhiskey. Hehasitnow.Tomlosthiskey(15minutesago).pastsimpleHehasfoundhiskey.presentperfectPresentperfectorpast (2)Pastsimple:Usethepastsimpletotalkaboutthepast.Usethepastsimpleforthingsthatarenotrecentornew. Mozartwasacomposer. Hewrotepiecesofmusic.Presentperfect:Usethepresentperfecttotalkaboutaresultnow.Usethepresentperfectforthingsthatarerecentornew. Paulhasrepairedthewashingmachine.It‘sworkingOKnow.Presentperfectorpast (3)Pastsimple:Usethepastsimpletotalkaboutthepast.Usethepastsimpleforthingsthatareconnectedtoacleartimereference. Wewenttothecinemayesterday.Presentperfect:Usethepresentperfecttotalkaboutaresultnow.Usethepresentperfectforthingsthatdon‘thaveacleartimereference. HaveyouseenTimrecently.Presentperfectorpast (3)Pastsimple:cleartimereferences:ago,when( ),yesterday, lastweek, onSunday, 2 March 2023, inthe7thcentury, etc.Presentperfect:undefinitetimereferences:recently,yet,already,never,ever,thisweek,thismorning,today, etc.ThepresentperfectYourturn:GrammarBook Unit 8,p25GrammarBook Unit 20,p49