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八年級英語下冊 Unit 6 How long have you been collecting shells Section A 2a2c課件 人教新目標(biāo)版

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1、UNIT 6 HOW LONG HAVE YOU BEEN COLLECTING SHELLS?Period 1學(xué)習(xí)目標(biāo)學(xué)習(xí)目標(biāo): 1 、掌握本課新單詞、掌握本課新單詞. 2、能使用、能使用“have/has been doing” (現(xiàn)在完成進(jìn)行時)談?wù)搻酆茫ìF(xiàn)在完成進(jìn)行時)談?wù)搻酆? 3、掌握現(xiàn)在完成進(jìn)行時和、掌握現(xiàn)在完成進(jìn)行時和“過去時過去時”的區(qū)的區(qū)別別. 4 、掌握、掌握since 和和for 的用法。的用法。預(yù)習(xí)檢測預(yù)習(xí)檢測:收集收集貝殼貝殼溜冰溜冰馬拉松馬拉松一雙一雙溜冰鞋溜冰鞋七年七年自從我自從我7歲歲自從九點自從九點自從年前自從年前How long have they bee

2、n watching TV?they have been watching TV for an hour.an hour.What are they doing?They are watching TV. did Yao Ming start playing basketball?How long has Yao Ming been playing basketball?Yao Mings sports life1980was born1989started playing basketballhas been playing22 yearsHe started playing basketb

3、all in 1989.He has been playing basketball since 1989.He has been playing basketball for 22 years.2011plays成龍(成龍( Jackie Chan )1954:be born1961now: actHe has been acting for 50 years.How long has Jackie Chan been acting?He has been acting since he was 7 years old. He has been acting since 1961.She i

4、s a young teacher. She is still teaching English now.She started teaching English in 2007. She has been teaching EnglishHow long has she been teaching English?for 4 years.since2007.4 years ago.When did you study English? In which year?Are you studying English now?How long have you been studying Engl

5、ish?I have been studying English for _ years.since _ ._ years ago.合作探究(一)合作探究(一):She has been dancing for nine years.此句使用了此句使用了_時態(tài),它的結(jié)構(gòu)時態(tài),它的結(jié)構(gòu)是是_.其中其中been是是_的的過去分詞,過去分詞,_ +一段時間表示時間的延續(xù)。一段時間表示時間的延續(xù)。現(xiàn)在完成進(jìn)行時表示動作從現(xiàn)在完成進(jìn)行時表示動作從_開始,持續(xù)開始,持續(xù)到到_,可能繼續(xù)下去??赡芾^續(xù)下去?,F(xiàn)在完成進(jìn)行現(xiàn)在完成進(jìn)行have/has been+doingbe過去過去現(xiàn)在現(xiàn)在for如如:我彈鋼琴

6、已經(jīng)十年了。我彈鋼琴已經(jīng)十年了。_I have been playing the piano for ten years.1?,F(xiàn)在完成進(jìn)行時表示一個由過去某時?,F(xiàn)在完成進(jìn)行時表示一個由過去某時起一直持續(xù)的動作,這動作可能剛剛停起一直持續(xù)的動作,這動作可能剛剛停止,也可能還在進(jìn)行。止,也可能還在進(jìn)行。I have been learning English for three years.我學(xué)了三年英語了。我學(xué)了三年英語了。2。有時候表示在持續(xù)的一段時間中動作。有時候表示在持續(xù)的一段時間中動作的多次重復(fù),動作不一定在持續(xù)。的多次重復(fù),動作不一定在持續(xù)。She has been typing le

7、tters all day.她打了一天字了。她打了一天字了。 Deng Yaping 1973: be born1978 1997: play table tennisHow long did Deng Yaping play table tennis?She played table tennis for 19 years.合作探究(二)合作探究(二):對比下面兩個句子:對比下面兩個句子:She has been skating for five hours. He skated for four hours.兩個句子分別用了兩個句子分別用了_時態(tài)和時態(tài)和_時態(tài)時態(tài).現(xiàn)在完成進(jìn)行時態(tài)表示現(xiàn)在

8、完成進(jìn)行時態(tài)表示_,有可能有可能持續(xù)下去,而一般過去時態(tài)表示持續(xù)下去,而一般過去時態(tài)表示_即動作即動作已結(jié)束已結(jié)束,與現(xiàn)在無關(guān)。與現(xiàn)在無關(guān)。請翻譯下面兩個句子,注意區(qū)別:請翻譯下面兩個句子,注意區(qū)別:He has been living in China for ten years._He lived in China for ten years._現(xiàn)在完成進(jìn)行現(xiàn)在完成進(jìn)行一般過去一般過去他已經(jīng)在中國住了十年了。他已經(jīng)在中國住了十年了。他曾在中國住了十年。他曾在中國住了十年。動作現(xiàn)階段正在進(jìn)行動作現(xiàn)階段正在進(jìn)行過去發(fā)生的事情過去發(fā)生的事情(他仍在中國他仍在中國)(他已不在中國他已不在中國)ha

9、lf an hourHow long has he been playing computer games?He has been _computer gamesfor _.since _.playinghalf an hourhalf an hour ago15 minutesHow long has he been drawing a picture?He _ _ _ a picture _ _ _ ._ _ _ _ .has been drawingfor15minutessince15minutesago2 hoursHow long has she beenreading ?She

10、has been reading for2 hours.She has been reading since2 hours ago.How long have they been playing basketball?play basketballfive yearsThey have been playing basketball for five years.play soccertwo yearsHe has been playing soccer for two years.How long has he been playing soccer?an hourHow long have

11、 they been swimming?They have been swimmingfor an hour.since an hour ago.Pair workPair workTom /45 minutesLana/an hourjohn /three hoursSam /two hoursforsince A: What is doing now?B: She/He is A: How long has she/he been ?B: She/ he has beenA:How long has she been palying football ?B:She has been pla

12、ying football for 30 minutes. /since 30 minutes ago. playing football 30 minutessleeping40 minutes playing computer 4 hourswatching TV3 hours skating 2 hourscooking 1 hour2a Listening 1. How long did you skate today? 2. How long have you been skating today? 3. Was this your first skating marathon? 4

13、. Do you skate every day? 5. When did you get your first pair of skates? 6. How long have you been skating? 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 s

14、kates? 6. How long have you been skating?2b ListeningAnswersa. No, I skated in a marathon last year.b. Yes, I do.c. For six hours.d. Since I was seven years old.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 _

15、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. sinceforsinceforsinceSince1.How long _you_ (collect) stamps Since half an hour ago. 2.How long _he _(skate)? Since he _(be) ten years old.3.When _he _(start) learning English. In 2002.4.We_ (run) on the playground since 6 oclock a.m. havehasbeen skatingwasdidstartbeen collectinghave been running二二 、時態(tài)填空、時態(tài)填空( (過去時或現(xiàn)在完成進(jìn)行時過去時或現(xiàn)在完成進(jìn)行時) )He in shanghai for 21 years.Now, he in Beijing.He here since 3 years ago. livedliveshas been living

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