演示文稿1八年級下冊英語六單元課件張金霞

Unit6HowlonghaveyoubeenSectionA1a-2cwordscollectshellmarathonpairskatesinceHilltopschoolraiseseveralskater收集；搜集貝殼；殼馬拉松賽跑；馬拉式活動一對；一雙溜冰鞋自從；自……以來山頂學(xué)?；I集；籌募幾個的；數(shù)個的溜冰者shellscollectshellscollectorcollection1.Howlongdidyousleeplastnight?Foreighthours.2.Whendidyoustartclasstoday?Atsevenforty-five.Whatareyoudoing?Iamskating.Howlonghaveyoubeenskating?I’vebeenskatingsincenineo’clock.I’vebeenskatingforfivehours.LiYifeiwasborn: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

3.Howlonghaveyoubeeninclasstoday?Ihavebeenin

classforonehour.

Howlongdidyouskate?Iskatedfortwohours.have/hasbeen＋(現(xiàn)在分詞)doing

現(xiàn)在完成進(jìn)行時（presentperfectcontinuous）定義:表示從過去開始一直持續(xù)到現(xiàn)在的動作,這個動作可能剛結(jié)束,也可能還要繼續(xù)下去,常與fortwohours,since1998,allthismorning,thesefewdays等表示一段時間的狀語連用。have/has是助動詞been是be的過去分詞表示從過去開始一直持續(xù)到現(xiàn)在的動作，并有可能持續(xù)下去．

時態(tài)－現(xiàn)在完成進(jìn)行時（一）構(gòu)成形式：have/hasbeen+Ving

for+一段時間have/hasbeen+doingsth+since+過去的時間點

since+從句(一般過去時)現(xiàn)在完成進(jìn)行時的構(gòu)成:have/hasbeen＋(現(xiàn)在分詞)doing,否定形式為:have/hasnotbeendoing,一般疑問句構(gòu)成:Have/Hassb.beendoingsth.?

特殊疑問句形式(詢問持續(xù)時間長短):Howlonghave/hassb.beendoingsth.?例:1).Ihavebeencleaningtheroomallthismorning.我今天一上午都在打掃房間。

2).I’vebeenstudyingEnglishsinceIwas4yearsold.自從4歲起我就一直學(xué)英語。

3).Hehasbeenlivinginthestreetforabout20years.他一直在這條街住了近20年了。與過去時的比較：1.IwatchedTVforthreehours.我看了三小時的電視．（我現(xiàn)在沒有看電視了）2.IhavebeenwatchingTVforthreehours.我看了三小時的電視．（我現(xiàn)在仍然在看電視）have/has是助動詞been是be的過去分詞表示從過去開始一直持續(xù)到現(xiàn)在的動作，并有可能持續(xù)下去．

時態(tài)－現(xiàn)在完成進(jìn)行時（一）構(gòu)成形式：have/hasbeen+Ving

for+一段時間have/hasbeen+doingsth+since+過去的時間點

since+從句(一般過去時)引導(dǎo)時間的介詞for與since的區(qū)別forsince表示時間的持續(xù)for+時間段表示“自從過去某一時間點以來”since+過去的時間點強調(diào)一段時間強調(diào)動作或狀態(tài)一直延續(xù)到現(xiàn)在(for與since引導(dǎo)的短語用howlong提問)從句forfiveminutestendaysfiveyearssinceMay1,20038:00hewassevenyearsoldsevenyearsago常和表示一段時間的狀語連用。Theyhavebeenworking

for

twohours.他們已工作兩小時了。for和表示一段時間的詞組連用Theyhavebeenrunning

since

sixo’clock.從6點起他們一直在跑。since和表示過去某一時刻的詞或詞組連用Ihavebeenwaitingforyou

since

Icamehere.自到這兒以來我一直在等你。since后可跟句子,句子時態(tài)多用一般過去時例句

1我已經(jīng)學(xué)了５年的英語了．I

havebeenlearningEnglishfor5years.例句2他已經(jīng)集郵10年了．Hehasbeencollectingstamps

for10years.Hehasbeencollectingstamps

since10yearsago.Hehasbeencollectingstamps

since2002.畫線部分提問：Howlonghashebeencollectingstamps?成龍（JackieChan）1954:beborn1961~now:actHehasbeenactingfor45years.Hehasbeenactingsince1961.

HowlonghasJackieChan

beenacting?Hehasbeenactingsincehewas7yearsold.When

didJackie

startacting?Hestartedactingin1961.Reading2hoursHowlonghas

shebeenreading?Shehasbeenreadingfor

2hours.Shehasbeenreadingsince2hoursago.Whendidshestartreading?Shestartedreading2hoursago.Dancing3hoursWhendidshestartdancing?Shestarteddancing3hoursago.Howlonghasshebeendancing?Shehasbeendancingfor3hours.Shehasbeendancingsince3hoursago.playsoccer45minutesHowlonghavetheybeenplayingsoccer?Theyhavebeenplayingsoccerfor

45minutes.since

45minutesago.Whendidtheystartplayingsoccer?Theystarted

playingsoccer45minutesago.When

didYaoMingstartplayingbasketball?HowlonghasYaoMingbeenplayingbasketball?YaoMing’ssportslife1980wasborn1989startedplayingbasketballhasbeenplaying16years2006

playsHestartedplayingbasketballin1989.

Hehasbeenplaying

basketball

since1989.He

hasbeenplaying

basketball

for16years.David1970:bornintheU.S.A1999~now:teachEnglish

HowlonghasDavidbeenteachingEnglish?HehasbeenteachingEnglishsince1999.HehasbeenteachingEnglishfor10years.HowlonghasDavidbeenteachingEnglish?Hehasbeenteaching

Englishsince10yearsago.HehasbeenteachingEnglishsincehewas29.Traceywasborn:1981

learnEnglish:1994~now

HowlonghasTraceybeenlearningEnglish?ShehasbeenlearningEnglishsince1994.ShehasbeenlearningEnglishfor15years.ShehasbeenlearningEnglishsinceshewas13.ShehasbeenlearningEnglishsince15yearsago.IstartedteachingEnglishin2010.IamstillteachingEnglishnow.HowlonghaveyoubeenteachingEnglish?

I

havebeenteaching

Englishfor2years.TeachEnglish2010HavebeenteachingEnglishnow2yearsTeachEnglish24yearsold(SinceIwas24.)samstartedskatingat9am.Heisstillskatingnow.Howlonghashebeenskating?

He

hasbeenskating

for4hours.skate9a.mHavebeenskatingnow1p.m

4hoursskate(since9o’clock.)Marystartedcleaningat7a.m.Sheisstillcleaningnow.Howlonghasshebeencleaning?

She

hasbeencleaning

for30minutes.clean7a.mHavebeencleaning7:30a.m30minutesclean用for和sinc