新目标英语八年级下册Unit6课件全.ppt
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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
2、示过去某一时刻的词或词组连用 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 life,When did you start playing the piano?,I started playing the piano when I was six years old.,How long have you been playing the
3、 piano?,I have been playing the piano since 1999.,How long have you been playing basketball?,I have been playing basketball since 2003.,When did you start playing basketball?,*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 bee
4、n teaching math?,He has been teaching math,30 years ago.,for 30 years.,since,he was 20 years old.,Wang Lei 1990 : 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 has been learning Engl
5、ish 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.,Ive been skating for five hours.,I skated for two hours.,1c PAIRWORK,Unit 6 How long have you been collecting shells?,Section A
6、(2a-2c) 第二课时,an hour,How long has he been playing computer games?,He has been playing computer games for an hour .,He is playing computer games.,2 hours,How long has she been reading ?,She has been reading for 2 hours.,She has been reading since2 hours ago.,15 minutes,How long has he been drawing a
7、picture?,He has been drawing a picture,for 15 minutes. since 15 minutes ago.,A:How long has she/he been .ing ?,B: She/he has been ing ,30 minutes,45 minutes,4 hours,3 hours,2 years,1 hour,for sinceago,2a,2b,Grammar focus,How long have you been skating?,Ive been skating since nine oclock.,Ive been sk
8、ating for five hours.,How long did you skate?,I skated for two hours.,用for和since填空,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
9、 has Mary been a teacher? _ two years ago.,Have a try,since,for,since,for,since,Since,Unit 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
10、 money for charity. For every hour they skate, each student raises 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 s
11、kating for four hours. Lu Ning has been skating for four hours too, and Li Chen just started an hour ago.,5 hours,4 hours,4 hours,1 hour,1. 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 t
12、o start? 5. How long 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 bee
13、n skating for four hours.,Li Chen was the last one.,He started an hour ago.,He has been skating for an hour.,Answers to 3b,Alison,Sam,Lu Ning,Li Chen,4 GROUPWORK Make a survey, interview your classmates. Ask them what sports they play .,A: Ye Lan, what sport do you play? B: Tennis. A: When did you s
14、tart? B: When I was eleven. A: So how long have you been playing? B: Three and a half years.,Report:,1. three and a half yeas,数词+and+a half+复数名词,数词+单数或复数名词+a half,He ate one and a half apples.(正) He ate one apple and a half (正) He ate one apple and a half apple. (误),两个半,三个半等类似说法,也都用这两种结构,如: two and
15、a half oranges two oranges and a half,选择填空: 1.( ) How long _you _ last year? A. did/sleep B. have/been sleeping C. were/sleeping 2.( ) When _he_ class today? A. did/start B.is/start C.has/been starting 3.( ) How long _you_? I have been swimming for an hour. A. have/swum B. have/ been swimming C. did
16、/swim 4. ( ) I have been learning English since I_ seven years old. A. am B. was C. have been 5.( ) Thank you for_ to me. A. write B. writing C. wrote,A,A,B,B,B,Unit 6 How long have you been collecting shells?,Section B(1a-2c) 第四课时,coins 硬币,Look and say,What do you see in the picture?,stamps 邮票,stuf
17、fed animals,stuff :v. 塞满,填满 stuffed: a. 塞满的, 填满的,kites 风筝,movie tickets,Barbie dolls 芭芘娃娃,stones 石头,antique古董,1a Would you like to collect any of these things? Fill in the chart. Add other things you collect.,kites,stamps,coins,shells,dolls,envelopes,风筝,邮票,钱币,A: Do you like to collect any of these t
18、hings?,B: ,A: What do you like to collect?,B: I like to collect,A: Why?,B: Because they are very .,1b PAIRWORK Tell your partner what you collect and what you would like to collect. Say why.,A: I collect shells because they are beautiful. Id like to collect stamps because they are interesting.,My ho
19、bby is to collect coins. I like collecting coins because they are valuable(有价值的). I started collecting coins when I was seven years old. I have been collecting them for six and a half years.,coins,My Hobby,2a,2b Listening,stuffed animals,theater and movie tickets,for five years,since last year,22,35
20、,20,2c PAIRWORK Ask and answer questions about Bob, Marcia, and Liam.,A: What does Bob collect? B: He collects kites. A: How long has he been collecting kites? B: Hes been collecting kites since he was ten years old. A: What does Marcia collect? B: She collects stuffed animals. A: How long has she b
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