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1、Unit 6 How long have you been collecting shells?Section A （1a-1c ） 第一课时现在完成进行时have / has是助动词 been是be的过去分词表示从过去开始一直持续到现在的动作， 并有可能持续下去构成形式： have / has been + V-ing(The Present Perfect Progressive Tense)时间状语有介词for, since 引导for和表示一段时间的词组连用They have been working for two hours. 他们已工作两小时了。since 和表示过去某一时刻的词
2、或词组连用They have been running since six oclock. 从6点起他们一直在跑。since后可跟句子，句子时态多用一般过去时I have been waiting for you since I came here. 自到这儿以来我一直在等你。Yao Mings sports life1980was born1989started playing basketballhas been playing17 yearsHe started playing basketball in 1989.He has been playing basketball since
3、 1989.He has been playing basketball for 17 years.2006plays1999 6 years old2003 10 years oldnow 13 years oldWhen did you start playing the piano? I started playing the piano when I was six years old.How long have you been playing the piano? I have been playing the piano since 1999.1999 6 years old20
4、03 10 years oldnow 13 years oldHow long have you been playing basketball? I have been playing basketball since 2003.When did you start playing basketball? I started playing basketball when I was ten years old.*He started teaching math when hewas 20 years old.He is 50 years old now and he is still te
5、aching math.How long has he been teaching math?He has been teaching math 30 years ago.for 30 years.since he was 20 years old.Wang Lei1990 : be born 1999now: learn English How long has Wang Lei been learning English?She has been learning English since1999.She has been learning English for 7 years.She
6、 has been learning English since she was nine.She has been learning English since 7 years ago.1bListen. A reporter is talking to the participants in a skating marathon. Fill in the chart below. How long? AlisonIve been skating for five hours. SamI skated for four hours. Victor CeliaIve been skating
7、for five hours.I skated for two hours.1c PAIRWORKA: How long has Alison been skating?B: Shes been skating for five hours.A: How long did Sam skate?B: He skated for four hours.Unit 6How long have you been collecting shells?Section A(2a- 2c)第二课时an hourHow long has he been playing computer games?He has
8、 been playing computer games for an hour .He is playing computer games.2 hoursHow long has she been reading ?She has been reading for 2 hours.She has been reading since2 hours ago.15 minutesHow long has he been drawing a picture?He has been drawing a picturefor 15 minutes. since 15 minutes ago.A:How
9、 long has she/he been .ing ?B: She/he has been ing 30 minutes45 minutes4 hours3 hours 2 years1 hourforsinceagoQuestionsQuestions1. 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 pai
10、r of skate?6. How long have you been skating?AnswersAnswers a. No, I skated a marathon lastyears. b. Yes, I do. c. For six hours. d. Since I was seven years old.2a,2bGrammar focusHow long have you been skating?Ive been skating since nine oclock.Ive been skating for five hours.How long did you skate?
11、I skated for two hours.用for和since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. since
12、for since forsinceSinceUnit 6 How long have you been collecting shells?Section A （3a-4 ） 第三课时3aRead the passage and then complete the table.Im talking to you from the Hilltop School Skating Marathon. Here, students are skating to raise money for charity. For every hour they skate, each student raise
13、s ten yuan for charity. The skating marathon has been going （进行） for five hours now, and several skaters are still skating. Alison was the first one to start, and has been skating for the whole five hours. Next is Sam, and he has been skating for four hours. Lu Ning has been skating for four hours t
14、oo, and Li Chen just started an hour ago.NameHas been skating for Alison Sam Lu Ning Li Chen5 hours 4 hours4 hours1 hour1. Why are students skating?2. How much does each student raise for every hour they skate?3. How long has the skating marathon been going?4. Who was the first to start?5. How long
15、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?To raise money for charity.Ten yuan.For five hours.Alison was the first to start.He has been skating for five hours.They have been skating for four hours.Li Che
16、n was the last one.He started an hour ago.He has been skating for an hour.9am10am 11am 12am 1pm2pmAnswers to 3bAlisonSamLu NingLi Chen4 GROUPWORK Make a survey, interview your classmates. Ask them what sports they play .NameSportWhen started How long Li Yingbasketball10 years old5 yearsA: Ye Lan, what sport do you play?
