八年级英语下册-Unit-6-section-A-课件-人教新目标版

Howlonghaveyoubeencollectingshells?Unit6shellscollectshellscollectorcollectionLiYifeiwasborn:1998collectshells:2005~nowHehasbeen

collectingshellsfor7years.Howlong

hasLiYifei

beencollectingshells?Hehasbeen

collectingshellssince2005.WhendidLiYifeistartcollectingshells?Hestartedcollectingshellsin2005.IstartedstudyingEnglishin2010.IamstillstudyingEnglishnow.

IhavebeenstudyingEnglish

for

2years.since

2010.havebeenstudying2years2012

studyingWhendidyoustartstudyingEnglish?Howlong

have

you

beenstudying

English?2010startedstudying

have/hasbeen＋(现在分词)doing

现在完成进行时（presentperfectcontinuous）定义:表示从过去开始一直持续到现在的动作,这个动作可能刚结束,也可能还要继续下去,常与fortwohours,since1998,allthismorning,thesefewdays等表示一段时间的状语连用。LiYang1969:beborn1992—now:teachEnglishWhendidLiYangstartteachingEnglish?HestartedteachingEnglishin1992.HowlonghasLiYangbeenteachingEnglish?HehasbeenteachingEnglishsince1992.HehasbeenteachingEnglishfor20years.成龙（JackieChan）1954:beborn1961~now:actHehasbeenactingfor45years.Hehasbeenactingsince1961.

HowlonghasJackieChan

beenacting?Hehasbeenactingsincehewas7yearsold.When

didJackie

startacting?Hestartedactingin1961.Dancing3hoursWhendidshestartdancing?Shestarteddancing3hoursago.Howlonghasshebeendancing?Shehasbeendancingfor3hours.Shehasbeendancingsince3hoursago.Reading2hoursHowlonghas

shebeenreading?Shehasbeenreadingfor

2hours.Shehasbeenreadingsince2hoursago.Whendidshestartreading?Shestartedreading2hoursago.playsoccer45minutesHowlonghavetheybeenplayingsoccer?Theyhavebeenplayingsoccerfor45minutes.since45minutesago.Whendidtheystartplayingsoccer?Theystarted

playingsoccer45minutesago.PairworkLinda/30minutesHarry/45minutesLana/5yearsTom/fourhoursAlan/threehoursSam/twoyearsA:Whatis…doingnow?B:She/Heis…A:Howlonghasshe/hebeen…?B:She/hehasbeen…for…since…马拉松skateapairofskatesTheyare

skating.Theyare

skaters.(1b)

Listen.Areporteristalkingtotheparticipantsinaskatingmarathon.Fillinthechartbelow.Howlong?AlisonSamVictorCeliaI’vebeenskatingforfivehours.Iskatedforfourhours.I’vebeenskatingforfivehours.Iskatedfortwohours.

1.Howlongdidyouskatetoday?

2.Howlonghaveyoubeenskatingtoday?

3.Wasthisyourfirstskatingmarathon?

4.Doyouskateeveryday?

5.Whendidyougetyourfirstpairofskates?

6.Howlonghaveyoubeenskating?

(2a)Listentotheinterviewwiththeskatingmarathonwinnerandcheckthequestionsyouhear.

Questions

1.Howlongdidyouskatetoday?3.Wasthisyourfirstskatingmarathon?4.Doyouskateeveryday?6.Howlonghaveyoubeenskating?

Answersa.No,Iskatedinamarathonlastyear.b.Yes,Ido.c.Forsixhours.d.SinceIwassevenyearsold.(2b)

Listenagain.Drawlinestomatchthequestionswithanswers.

Howlongdidyouskatetoday?Iskatedforsixhours.你(今天)溜了多久冰?(今天)我溜了六个小时.

Howlonghaveyoubeenskating?Ihavebeenskating

forsixhours.你(到现在)已经溜了多久了?我溜(到现在)已经六小时了.

MakeaninterviewYouareareporternow,andyourpartnerisAlison.PleaseinterviewherReporter:Alison,congratulations.IamareporterfromCCTV.MayIaskyousomequestions?Alison

:Sure./Certainly.Reporter:Howlongdidyouskatetoday?Alison:Iskated……Reporter:Howlonghaveyoubeenskating?Alison:I……Reporter:…Alison:……NameHobbyHowlongSinceforSinceForAsurveyA:What’syourhobby?B:I…A:Howlonghaveyoubeen…ing?B:Ihavebeen…ingfor/since….Report:

Inmygroup,___likes___,he/shehasbeen___for___1.现在完成进行时定义:表示从过去开始一直持续到现在的动作构成：肯定形式:

have/hasbeen＋(现在分词)doing否定形式为:have/hasnotbeendoingreview2.Howlongdidyouskatetoday?Iskatedforsixhours.你(当时)溜了多久冰?