八年级上unit6第一课时课件.ppt

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1、Unit 6 How long have you been collecting shells? (Section A1a-1c)shellcollect shells收集贝壳收集贝壳I started teaching English in 2011.I am still teaching English now.How long have I been teaching English?for 2 years20112013201* When did you start studying English? In which year?Are you studying English now

2、?How long have you been studying English?I have been studying English for _ years.since _ ._ years ago.*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 been teaching math?He has been teachingmathfor 30 years.since 30 years ago.he

3、 was 20 years old.成龙成龙（ Jackie Chan ）was born: 1954started acting: 1961He has been acting for 52 years.How long has Jackie Chan been acting?He has been acting since 1961.He has been acting since he was 7 years old.half an hourHow long has he been playing computer games?He has been _computer gamesfor

4、 _.since _.playinghalf an hourhalf an hour agoLets practice!How long has he been playing computer games?He has been _computer gamesHow long has he been playing computer games?He has been _computer gamesHe has been _computer gamesHow long has he been playing computer games?He has been _computer games

5、for _.since _.How long has he been playing computer games?He has been _computer games15 minutesHow long has he been drawing a picture?He _ _ _ a picture _ _ _ ._ _ _ _ .has been drawingfor15minutessince15minutesagoPairworkTom /45 minutesLinda/an hourJohn /three hoursSam /two hoursforsince A: What is

6、 doing now?B: She/He is A: How long has she/he been ?B: She/ he has beenlook at the pictures and fill in the blanks！看图片，填空。看图片，填空。Lets compete. If you can, stand up and say as quickly as you can.让我们竞赛。如果你会，尽可能快的站起来直接让我们竞赛。如果你会，尽可能快的站起来直接说！说！ Lets relax!He has been playing computer games_ half an hou

7、r agoShe has been_ for 2 hours.They have been _ soccer since 45 minutes ago.They have been _ for an hour.He _a picture since 15 minutes ago. He has been playing computer games_ half an hour agoShe has been_ for 2 hours.They have been _ soccer since 45 minutes ago.They have been _ for an hour.He _a p

8、icture since 15 minutes ago. 1.He has been playing computer games _ half an hour ago.2.She has been _ for 2 hours.3.They have been_ soccer since 45 minutes ago.4.They have been_ for an hour.5.He _a picture since 15 minutes ago. sincestudyingplayingswimminghas been drawing句型再现：句型再现： 当我们谈论动作从当我们谈论动作从过

9、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时，我们常常用以下句型来表示并且有可能持续下去时，我们常常用以下句型来表示: e.g. I have been skating since seven oclock/2002. She has been swimming since she was seven years old. They have been playing football for five hours. for +have / has been + doing sth.+ since + since +现在完成进行时现在完成进行时一段时间一段

10、时间过去的时间点过去的时间点 从句从句 (一般过去时一般过去时) (The Present Perfect Progressive Tense)Fill in the blanks with for or since.1.The twins have been playing the piano _ two hours. 2.I have been in this school _ 2011. 3.They have been swimming _ an hour ago. 4. He has been playing football _ 40 minutes. 5.Lucy has bee

11、n skating _ 3 hours.forsincesinceforforMarathon A contest to see who can do something the longest without stopping.(run ;dance ; swim or skate)running swimming marathonskating marathondancing marathonrunning marathonskatingmarathonskatea pair of skatesShe is skating.She is a skater. a skating marath

12、ona skating marathonListening1b Listen and finish the form. How long?AlisonSamVictorCeliaIve been skating for five hours.I skated for four hours.Ive been skating for five hours.I skated for two hours.I have been skating for five hours.I skated for four hours.两个句子分别用了两个句子分别用了_时态和时态和_时态。时态。现在完成进行时态表示现

13、在完成进行时态表示_,有可能有可能持续下去，而一般过去时态表示持续下去，而一般过去时态表示_即动作即动作已结束已结束,与现在无关。与现在无关。请翻译下面两个句子，注意区别：请翻译下面两个句子，注意区别：He has been living in China for ten years._He lived in China for ten years._现在完成进行现在完成进行一般过去一般过去他已经在中国住了十年了。他已经在中国住了十年了。他曾在中国住了十年。他曾在中国住了十年。动作现阶段正在进行动作现阶段正在进行过去发生的动作过去发生的动作（他仍在中国他仍在中国）（他已不在中国他已不在中国）G

14、roupwork: discussion1.李明在方山住李明在方山住了了5年。年。1.李明曾经在方山住李明曾经在方山住过过5年。年。2.我们学英语两年我们学英语两年了了。2.我们曾经学我们曾经学过过两年英语。两年英语。3.Tom滑冰滑滑冰滑了了3个钟头了。个钟头了。3.Tom滑冰滑滑冰滑过过3个钟头。个钟头。Li Ming has been living in Fangshan for 5 years.Li Ming lived in Fangshan for 5 years.We have been learning English for 2 years.We learned English for 2 years.Tom has been skating for 3 hours.Tom skated for 3 hours.