1、Unit 6 How long have you been collecting shells?,words,collect shell marathon pair skate since Hilltop school raise several skater,收集；搜集 貝殼；殼 馬拉松賽跑；馬拉式活動(dòng) 一對(duì)；一雙 溜冰鞋 自從；自以來 山頂學(xué)校 籌集；籌募 幾個(gè)的；數(shù)個(gè)的 溜冰者,have / has是助動(dòng)詞 been是be的過去分詞,表示從過去開始一直持續(xù)到現(xiàn)在的動(dòng)作， 并有可能持續(xù)下去,構(gòu)成形式：,have / has been + Ving,for +一段時(shí)間 have / has

2、been + doing sth + since +過去的時(shí)間點(diǎn) since + 從句 (一般過去時(shí)),與過去時(shí)的比較： 1.I watched TV for three hours. 我看了三小時(shí)的電視 （我現(xiàn)在沒有看電視了） 2.I have been watching TV for three hours. 我看了三小時(shí)的電視 （我現(xiàn)在仍然在看電視）,例句 1,我已經(jīng)學(xué)了年的英語(yǔ)了,I have been learning English for 5 years.,例句 2,他已經(jīng)集郵10年了,He has been collecting stamps for 10 years.,He

3、has been collecting stamps since 10 years ago.,He has been collecting stamps since 2002.,畫線部分提問：,How long has he been collecting stamps?,for,since,表示時(shí)間的持續(xù),for + 時(shí)間段,表示“自從過去某一時(shí)間點(diǎn)以來”,since + 過去的時(shí)間點(diǎn),強(qiáng)調(diào)一段時(shí)間,強(qiáng)調(diào)動(dòng)作或狀態(tài) 一直延續(xù)到現(xiàn)在,( for與since引導(dǎo)的短語(yǔ)用how long提問 ),從句,for,five minutes ten days five years,since,May 1

4、, 2003,8:00,he was seven years old,seven years ago,I started teaching English in 2010.,I am still teaching English now.,How long have you been teaching English?,I have been teaching English,for 2 years.,Teach English,2010,Have been teaching English,now,2 years,Teach English,24 years old,(Since I was

5、 24.),sam started skating at 9 am.,He is still skating now.,How long has he been skating?,He has been skating,for 4 hours.,skate,9 a.m,Have been skating,now 1 p.m,4 hours,skate,(since 9 oclock.),Mary started cleaning at 7a.m.,She is still cleaning now.,How long has she been cleaning?,She has been cl

6、eaning,for 30 minutes.,clean,7a.m,Have been cleaning,7:30 a.m,30 minutes,clean,Pairwork,run 30 minutes,4 hours,3 hours,2 hours,1 hour,A:How long has he/she been ?,B: He /she has been . for ,Linda,play soccer 45 minutes,Harry,Tom,Play piano,Alice,Play computer,Alan,Watch TV,Jim,ride,Sam,Lu Ning,Li Ch

7、en,To raise money for charity,4 hours,4 hours,1 hour,Read 3a and then fill in the blanks.,1b.Listen. A reporter is talking to the participants in a skating marathon. Fill in the chart below.,Alison,Sam,Victor,Celia,Ive been skating for five hours.,I skated for two hours.,How long hasbeen skating?,He/She has been skating for,How long did skate?,He/She skated for,2a Listen to the interview with the skating marathon winner and check the questions you hear.,I. 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 ha