八年级英语_Unit6_How_long_have_you_been_collecting_shells课件

1、Unit 6How long have you been collecting shells?Section A Collect shellsCollect coinsCollect stamps Collect kitesAsk and answer:Do you like collecting stamps?How long have you been collecting stamps?Collect toy animals表过去发生的某一动作对现在造成的影响或结果表过去发生的某一动作对现在造成的影响或结果,例如例如I have just cleaned my clothes. 我刚洗过

2、衣服。我刚洗过衣服。（“洗衣服洗衣服”是发生在过去的动作，对现在造成的结果是是发生在过去的动作，对现在造成的结果是“衣服干净了衣服干净了”）I have just had my breakfast. (对现在的影响：不饿对现在的影响：不饿)通常与表示包括现在在内的时间副词通常与表示包括现在在内的时间副词 just（刚刚）（刚刚）, already（已经）（已经）, before, yet（一般疑问：已经；否定句：（一般疑问：已经；否定句：还）还） never, ever等状语连用等状语连用 I have never heard of that before. Have you ever rid

3、den a horse? She has already finished the work. Have you milked the cow yet? Yes, I have done that already. Ive just finished my homework. He has not come yet. 表示过去已经开始，持续到现在的动作或状态，也可以表示过去已经开始，持续到现在的动作或状态，也可以表示实质可能继续下去的动作或状态。通常和表示实质可能继续下去的动作或状态。通常和 for（段（段时间）时间）, since（点时间）（点时间） 引导的时间状语连用引导的时间状语连用.以

4、及以及 so far, by now, these days, in the last ten years 等连用。等连用。I have been here for just over two years. He has worked here since 1989. 从从1989年，年， I havent seen her these days. She has learnt English for 3 years/since 3 years ago. They have lived here since 1990. What has happened to the USA in the l

5、ast 350 years?Read the sentences:1.How long did you sleep last night?2.When did you start class today?3.How long have you been in class today?Pairwork:A:How long have you been skating?B:I have been skating since I was seven years old.How long has she been playing computer? (four hours)She has been p

6、laying computer for four hoursHow long has he been playing baseball?(two hours)He has been playing baseball for two hours.How long have they been working?(a week)They have been working for a week .How long has he been riding a motorcycle?(ten hours)He has been riding it for ten hours. How long ?Alsi

7、on: I have been skating for five hours?Sam: I skated for four hours.Victor: I have been skating for five hoursCeliaI skated for four hours.Pairwork.A:How long has Alison been skating?B:She s been skating for five hours.A:How long did Sam skate?B:He skated for four hours.Since,自从自从.自自以来以来I started sk

8、ating since I was seven years old a pair of 一双一双,一对一对 a pair of skates 一双溜冰鞋一双溜冰鞋Marathon 马拉松马拉松.New words:1.Hilltop School2.Skating marathon.3.Raise money.4.Charity5.Several6.Skater 山顶学校山顶学校溜冰马拉松溜冰马拉松筹集钱筹集钱.筹集资金筹集资金慈善机构慈善机构几个几个,一些一些溜冰者溜冰者Questions_1.how long did you skate today?_2.how long have you

9、 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?Anwsersa.No,I skated in a marathon last yearb.Yes I do.c.For six hours.d.Since I was seven years.Been -be 的过去分词的过去分词现在完成进行时现在完成进

10、行时:have/ has been +doing.表示动作持续了多久并仍在进行中表示动作持续了多久并仍在进行中与过去时的比较：与过去时的比较：1.I watched TV for three hours.我看了三小时的电我看了三小时的电视视（我现在没有看电视了）（我现在没有看电视了）2.I have been watching tv for three hours.我看了三小时的电视（我现在仍然在看电视）我看了三小时的电视（我现在仍然在看电视）Match these words1.School 2.For fifteen3.How4.At six5.Since6.skatinga.Hoursb

11、.9:00c.Longd.oclocke.Skatingf.marathon.Write the questions:1_?He has been standing there for four hours.2_?I have been riding a bike since I was ten years old.3_?She has been walking for five hours.4._?Ive been watching tv since 7:005._?Hes been waiting for the train for an hour.Fill in the blank wi

12、th for or since1.I have been practicing the piano _ 10:30.2.Maricia has been running _ 15 minutes.3.Sarah has been sleeping since_ 9:00.4Dale has been talking on the phone _5 minutes.5.Louie has been studying Chinese _ he was 6 years old.6.I have been watching you _10 minutes. sinceforsinceforsincef

13、orWrite the questions:1_?He has been standing there for four hours.2_?I have been riding a bike since I was ten years old.3_?She has been walking for five hours.4._?Ive been watching tv since 7:005._?Hes been waiting for the train for an hour. I collect I would like to collect.I collect shells becau

14、se they are beautiful .I d like to collect stamps because they are interesting.Talk about some things you did in the last 24 hours.Did you yesterday/last night?When did you ? I at (concrete time). Hong long did you ? I for(some time).Talk about how long we have been doing things by using “for”. Do y

15、ou ?Can you?When did you start ? I started in / ago. When I was years old.Hong long have you been _ing ?Ive been _ing for Class surveyQuestionsAnswers Howstudying Englishlong going to school have playing socceryou beenriding a bike-?learning to swim1b: listeningNameHow longAlisonSamVictorCelia1c: Pa

16、irworkIve been skating for five hours.I skated for four hours.Ive been skating for five hours.I skated for two hours.Ask and answer questions about the people in the picture. How long have you been doing? since nine oclock. since 1997. I have been doing since five years ago. since I was years old. T

17、alk about we have been doing things by using “since”.After - class survey 1.How long have you been wearing glasses?2.How long have you been working at the same job?3.How long have you been living in the city?4.How long have you been studying English?5.How long have you been doing sports in the morni

18、ng?6.How long have you been getting so fat?7.How long have you been buying the car?8.How long have you been having a cold?You can design some questions. Questions Persons Results How Fatherlong MotherhaveAuntyou been Uncle wearing glasses?Brother 2a: listeningQuestionsAnswers1.How long did you skate

19、 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?a. No, I skated in a marathon last year.b. Yes, I do.c. For six hours.d. Since I was seven years old. 2.How long

20、 have you been skating today?GrammarQuestionsAnswers DifferenceHow long did you do?I did forstopHow long have you been doing?I have been doing for since nine oclock since 1995. since ten year ago. since I was years old. continue3a. Reading: read the passage and complete the table.NameHas been skatin

21、g for3b. Its now 2pm. Write the students names from 3a on the time line.9am10am11am12am1pm2pmAlison5 hoursSam4 hoursLu Ning4 hoursLi Chen1 hourAlisonSamLu NingLi Chen3a. Questions1 . Why are students skating?2. How much does each student raise for every hour they skate?3. How long has the skating ma

22、rathon been going?4. Who was the first to start?5. How long has he been skating?6. How long have Sam and Lu Ning been skating?7. Who was the last one?8. When did he start?/How long has he been skating?NameSportWhen(Which year, how old)How long(for ,since)Groupwork & report: Interview your classm

23、atesMy hobby Section B:1b. Tell your partner about collection.I collect WhyHow longHow manyI would like to collectWhyNameWhatHow longHow manyBobMarciaLiam2a.Listening: What do they collect? How long have they been collecting? How many do they have?2c.Pairwork: Ask and answer questions about Bob, Mar

24、cia, Liam.Snow globes3b.Writing:look at activity 2a on P47.Write an e-mail message from Bob,Marcia or Liam. Tell about his or her collection.Dear_, I want to tell you about my hobby. collect_.I have been collecting them_.Group work & reportNameHobbyHow longMore information(why,when,where,how oft

25、en)Discuss the questions: What is the most common hobby? What is the most interesting hobby? What is the most unusual hobby?Reading Country Favorite food China Beijing Duck ,Dumplings England Fish and chipsAmerica Hamburgers and chips , Hot dog India Hot food ,curryItaly PizzaJapan Sushi Borscht Uni

26、t6 How long have you been collecting shells?Section BI am still teaching English now.How long have you been teaching English? I have been teaching English for five years.since 2001*He started teaching math when he was 20 years old. He is 50 years old now and he is still teaching math.How long has he

27、 been teaching math?He has been teaching math 30 years ago.for 30 years.since he was 20 years old.How long have you been doing? Ive been doingforsince2 hoursHow long has she beenreading ?She has been reading for2 hours.She has been reading since2 hours ago. half an hourHow long has he been playing computer games?He has been playing computer gamesfor half an hour.since half an hour ago.45 minutesHow long have they been playing soccer?They have been playing soccerfor 45 mi