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1、Unit 6How long have you been collecting shells?shellcollect shells收集貝殼收集貝殼marathonskatea pair of skatesShe is skating.She is a skater.I started teaching English in 2000.I am still teaching English now.How long have I been teaching English? I have been teaching English for 8 years.since 2000.since: (
2、prep)自.以來 How long has she been skating?1999-2008She has been skating for nine years.關(guān)穎珊關(guān)穎珊She is skating.滑冰滑冰2 hoursHow long has she beenreading ?She has been reading for 2 hours. since2 hours ago.an hourHow long have they been swimming?They have been swimmingfor an hour.since an hour ago.15 minute
3、sHow long has he been drawing a picture?He has been drawing a picture for 15 minutes. since 15 minutes ago. Yaoming is playing basketball.2003-2008Yaoming has been playing basketballfor five years.How long has Yaoming been playing basketball?since five years ago成龍（成龍（ Jackie Chan ）1954:be born1961no
4、w: actHe has been acting for 47 years.How long has Jackie Chan been acting?He has been acting since he was 7 years old. He has been acting since 1961. Miss Li1975: be born20012008:teach ChineseHow long has Miss Li been teaching Chinese?She has been teaching Chinese for 7 years.She has been teaching
5、Chinese since 2001.She has been teaching Chinese since 7years ago. Deng Yaping 1973: be born1978 1997: play table tennisHow long did Deng Yaping play table tennis ?She played table tennis for 19 years.（二）（二）引導(dǎo)時(shí)間的介詞引導(dǎo)時(shí)間的介詞forfor與與sincesince的區(qū)別的區(qū)別forsince表示時(shí)間的持續(xù)表示時(shí)間的持續(xù)for + for + 時(shí)間段時(shí)間段表示表示“自從過去某自從過去某
6、一時(shí)間點(diǎn)以來一時(shí)間點(diǎn)以來”since + since + 時(shí)間點(diǎn)時(shí)間點(diǎn)強(qiáng)調(diào)一段時(shí)間強(qiáng)調(diào)一段時(shí)間強(qiáng)調(diào)動(dòng)作或狀態(tài)強(qiáng)調(diào)動(dòng)作或狀態(tài)一直延續(xù)到現(xiàn)在一直延續(xù)到現(xiàn)在( for與與since引導(dǎo)的短語用引導(dǎo)的短語用how long提問提問 )1b Listen. A report is talking to the participants in a skating marathon. Fill in the below.How long?AlisonIve been skating for five hours.SamI skated for four hours.VictorCeliaIve been s
7、kating for five hours.I skated for two hours.1c PAIRWORKAsk and answer questions about the people in the picture.A: 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.Listening 2a & 2bQuestionsAnswers_ 1. How long did you skate
8、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 7 years old.
9、現(xiàn)在完成進(jìn)行時(shí)現(xiàn)在完成進(jìn)行時(shí) 當(dāng)我們談?wù)搫?dòng)作從當(dāng)我們談?wù)搫?dòng)作從過去某一時(shí)間開始一直延續(xù)到現(xiàn)在過去某一時(shí)間開始一直延續(xù)到現(xiàn)在, 并且有可能持續(xù)下去時(shí)，我們常常用以下句型來表示并且有可能持續(xù)下去時(shí)，我們常常用以下句型來表示: for +一段時(shí)間一段時(shí)間have / has been + doing sth + since +過去的時(shí)間點(diǎn)過去的時(shí)間點(diǎn) since + 從句從句 (一般過去時(shí)一般過去時(shí))have / has是助動(dòng)詞是助動(dòng)詞,been是是be的過去分詞的過去分詞 eg. How long have you been swimming? I have been swimming for 3
10、 years. How long has she been skating? She has been skating since nine oclock. Yao Mings sports life1980was born1989started playing basketballhas been playing19 yearsHe started playing basketball in 1989.He has been playing basketball since 1989.He has been playing basketball for 19 years.2008plays1
11、978 19972008started playing table tennis stoppedplaying 19892008 has been playing basketballstarted playing basketballDeng Yaping played table tennis for 19 years.Yao Ming has been playing basketball for 19 years.played table tennisGrammar focusHow long have you been skating?Ive been skating since n
12、ine oclock.Ive been skating for five hours.How long did you skate?I skated for two hours.用用forfor和和sincesince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. sinceforsinceforsinceSince
八年級(jí)英語Unit6 How long have you been collecting shells 課件
