八年级英语第六单元公开课演示文稿.ppt
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1、Unit 6How long have you been collecting shells?shell /el/贝壳贝壳marathon 马拉松马拉松skater/skeit/溜冰者溜冰者skate/skeit/溜冰溜冰,溜冰鞋溜冰鞋Read by yourselves loudly.放开声音自己读放开声音自己读.自自 学学 (1)/mr n/勇敢的你勇敢的你 不会不会 就问就问自自 学学 (2)Read by yourselves loudly.放开声音自己读放开声音自己读.collect shells/klekt/skating marathon a pair of skates/per
2、/for 7 years since I was 7 years old/sins/since nine oclock since 7 years ago 收集贝壳收集贝壳溜冰马拉松溜冰马拉松一双溜冰鞋一双溜冰鞋七年七年自从我自从我7岁岁自从九点自从九点自从年前自从年前1.A:When did you start studying English?B:In 2008.A:He started studying English in 2008.He has been studying English since 2008.Repeat:He has been studying English s
3、ince 2008.(for four years)2.A:When did you start to swim?B:I started to swim in 2009A:She started to swim in 2009.She has been swimming since 2009.(for three years)Repeat:She has been swimming since 2009.(for three years)How long have you been doing?Ive been doingfor+一段时间一段时间since+一个时间点一个时间点 +一段时间一段
4、时间+ago+ago +从句从句 时态现在完成进行时时态现在完成进行时(The Present Perfect Progressive Tense)构成形式:构成形式:have/has been+Ving表示从过去开始一直持续到现在的动作,表示从过去开始一直持续到现在的动作,并有可能持续下去并有可能持续下去 Compare(比较):How long did you skate?(一般过去时一般过去时)How long have you been skating?(现在完成进行时现在完成进行时)How long have you been here?(现在完成时现在完成时)A:Whats you
5、r hobby?B:A:How long have you been?B:I have been for/since.Task1Task1一、用一、用for和和since填空填空1.They have been learning Chinese _ they came to China.2.I havent seen her _ a long time.3.He has been living here _ 2001.4.She has been doing her homework _ two hours.5.Its 5 years _ we left school.6.How long h
6、as Mary been a teacher?_ two years ago.sinceforsinceforsinceSince1b Listening How long?AlisonSamVictor Celia Ive been skating for five hours.I skated for four hours.Ive been skating for five hours.I skated for two hours.A:How long has she been palying football?B:She has been playing football for 30
7、minutes./since 30 minutes ago.playing football 30 minutessleeping40 minutes playing computer 4 hourswatching TV3 hours skating 2 hourscooking 1 hourTask2Task2 Task 3:GuessHe was born in Shanghai in 1980.He is a basketball player.He has been playing basketball since he was five years old.He has been
8、a member in NBA for 3 years.Who is he?She is a diver(跳水运动员跳水运动员).She has been diving since 1988.She was born in Hebei in 1981.She won the gold medal at the 2004 Olympics.Who is she?2a Listening 1.How long did you skate today?2.How long have you been skating today?3.Was this your first skating marath
9、on?4.Do you skate every day?5.When did you get your first pair of skates?6.How long have you been skating?2b Listening Questions 1.How long did you skate today?2.How long have you been skating today?3.Was this your first skating marathon?4.Do you skate every day?5.When did you get your first pair of
10、 skates?6.How long have you been skating?Answersa.No,I skated in a marathon last year.b.Yes,I do.c.For six hours.d.Since I was seven years old.2c PAIRWORKA:How long have you been skating?B:Ive been skating since I was seven years old.How long has she been dancing?She has been dancingfor 3 hours.sinc
11、e 3 hours ago.3 hours45 minutesHow long has she been learning?She has been learningfor 45 minutes.since 45 minutes ago.What is/are doing?How long has/have.been?Using since/for:45 minutes half an hour 2 year 5 years 2 hours一、选择填空一、选择填空()1.Ive been skating _ three hours today.A.about B.forC.since()2.W
12、eve been studying English _ two years ago.A.for B.fromC.sinceBC()3.She started skating _ 9 oclock.A.for B.at C.since()4.Sam _ collecting shells for five years.A.isB.started C.has been()5.How long have you _ today?A.swimming B.been swimming C.started swimmingBCB二、用二、用 for或或since填空填空1.I have been prac
13、ticing my oral English _ 10:30.2.Mary has been running _ 15 minutes.3.Sarah has been sleeping _ 9:00.4.Dale has been talking on the phone _ 5 minutes.sinceforsincefor5.Louie has been studying Chinese _ he was 6 years old.6.I have been watching you _ 10 minutes.7.Lana has been running _ 15 minutes8.T
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