八年级英语第六单元公开课演示文稿.ppt

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/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 since 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 your 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 has 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 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 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 marathon?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 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.since 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.Weve 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 practicing 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.Tom has been sleeping _ 9:00.sinceforforsince9.He has been living here _ 2001.10.She has been doing her homework _ two hours.11.I have been watching TV _ 10 minutes.12.How long has Mary been a teacher?_ two years ago.sinceSinceforforHomework:1、Review the Grammar Focus.2、Practice reading aloud the conversations in 1b and 2a.3、Learn to talk about how long you have been doing things.Since and for1.I have been studying in this school _ two years.2.He danced _ one and a half hours.3.Miss Wang has been teaching here _ last year.5.She has been in the U.S.A 2003.4.He has been living here _ he was born.forforsince since since7.Marica has been running _15 minutes.8.Sarah has been sleeping_ 9:00.9.Dale has been talking on the phone _5 minutes.10.Lucy has been studying Chinese _ he was 6 years old.forsinceforsince2a.Listen to the interview with the skating marathon winner and check()the questions you hear.2b.QuestionsQuestions 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 skate?6.How long have you been skating?AnswersAnswersa.No,I skated a marathon last year.b.Yes,I do.c.For six hours.d.Since I was seven years old.How long?多多长长时时间间?(疑疑问问句句)e.g.:How long have you been waiting?你已经等了多久你已经等了多久?How long will the meeting last?会议将持续多长时间会议将持续多长时间?2a.Listen to the interview with the skating marathon winner and check()the questions you hear.2b.QuestionsQuestions 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 skate?6.How long have you been skating?AnswersAnswersa.No,I skated a marathon last year.b.Yes,I do.c.For six hours.d.Since I was seven years old.How long?Alison Ive been skating for 5 hours.Ive been skating for 5 hours.Sam I skated for 4 hoursI skated for 4 hours.Victor Celia Ive been skating for five hours.Task3Task3-Listen and fill in the chartListen and fill in the chartAlisonVictorCeliaSamI skated for two hours.GrammarFocusHow long have you been skating?Ive been skating since nine oclock.How long have you been singing?I have been singing since I was 7 years old.How long have you learnt English?I have learnt English for nine years.How long did you skate?I skated for two hours.2a Listen to the interview with the skating marathon winner and check the questions you hear.Questions Answers 1.How long did you skate today?a.No,I skated in a marathon last year.2.How long have you been skating today?b.Yes,I do.3.Was this your first skating marathon?c.For six hours.4.Do you skate every day?5.When did you get your first pair of skates?d.Since I was seven years old.6.How long have you been skating?（听，标对号；再听，连线）（听，标对号；再听，连线）TaskTask 4 4ListeningListening 概念概念:动作从动作从过去某一时间开始一直延续到现在过去某一时间开始一直延续到现在,并且有可能持续下去并且有可能持续下去构成构成:have/has been+doing sth常用词常用词:for+一段时间一段时间,since+e.g.How long have you been swimming?I have been swimming for 3 years./since 3 years ago.How long has she been skating?She has been skating since nine oclock.现在完成进行时现在完成进行时从句从句(一般过去时一般过去时)一段时间一段时间+ago过去的时间点过去的时间点时间状语时间状语:1.for+一段时间一段时间 e.g:for 8 years 2.since+过去的时间点过去的时间点 e.g:since 1999 3.since+一般过去时的句子一般过去时的句子 e.g:since I was 25 years old 表示动作从过去某一时间开始一直延续到现在。这表示动作从过去某一时间开始一直延续到现在。这一动作可能刚刚开始，也可能在继续，其动作是否继续下一动作可能刚刚开始，也可能在继续，其动作是否继续下去，由上下文而定。这个时态多用于延续性动词。去，由上下文而定。这个时态多用于延续性动词。现在完成进行时现在完成进行时构成：构成：have/has been+1。现在完成进行时表示一个由过去某时。现在完成进行时表示一个由过去某时起一直持续的动作，这动作可能刚刚停起一直持续的动作，这动作可能刚刚停止，也可能还在进行。止，也可能还在进行。I have been learning English for three years.我学了三年英语了。我学了三年英语了。2。有时候表示在持续的一段时间中动作。有时候表示在持续的一段时间中动作的多次重复，动作不一定在持续。的多次重复，动作不一定在持续。She has been typing letters all day.她打了一天字了。她打了一天字了。Pairwork:How long have you been ing？定义定义:表示某动作从过去开始表示某动作从过去开始,一直延续一直延续到现在经历了多长时间到现在经历了多长时间,常有可能持续常有可能持续下去下去,常和表示一段时间的状语连用。常和表示一段时间的状语连用。此时态包含现在进行时的含义此时态包含现在进行时的含义,也包含也包含现在完成时的含义。现在完成时的含义。时间状语时间状语:1.for+一段时间一段时间 2.since+过去的时间点过去的时间点 3.since+一般过去时的句子一般过去时的句子 4.since+一段时间一段时间+ago构成：构成：have/has been+V-ing+注意注意:for表示时间的持续表示时间的持续,后跟时间段。表后跟时间段。表示一段时间示一段时间,多与带数词的名词连用多与带数词的名词连用,谓语需谓语需用延续性动词。用延续性动词。since表示表示“自从过去某一时间点以来自从过去某一时间点以来”,后面接时间点后面接时间点,强调动作或状态一直延续到现强调动作或状态一直延续到现在在,一般用现在完成时或现在完成进行时一般用现在完成时或现在完成进行时。since后可接表时间的名词或名词短语后可接表时间的名词或名词短语,也可也可接一个时间状语从句。接一个时间状语从句。Ive been studying English for two years.Ive been studying English since two years ago.He has been collecting shells since he was ten.Thank YouThank You