修改unit6SectinA1a-2c語(yǔ)法李俠勤.ppt

Unit 6 How long have you been collecting shells? sectionA 1a-2c,Li Xiaqin,學(xué)習(xí)目標(biāo)：,1.利用師生對(duì)話，復(fù)習(xí)一般過(guò)去時(shí)。 2.對(duì)比f(wàn)or與since ,思考二者區(qū)別 3.專題訓(xùn)練：學(xué)習(xí)現(xiàn)在完成進(jìn)行時(shí)。,觀察例句，結(jié)合資料書，試概況for與since 的區(qū)別： Ive been studying English for six years. Ive been studying English since six years ago. Ive been studying English since I was ten.,How long has she been playing computer?,(four hours),She has been playing computer,= since four hours ago.,Using since /for：（利用since/for 看圖造句）,for four hours.,How long has she been dancing?,She has been dancing,for 3 hours.,since 3 hours ago.,Pairwork,3 hours,45 minutes,How long has she been learning?,She has been learning,for 45 minutes.,since 45 minutes ago.,1._? He took a shower for two hours. 2._? I have been riding a bike since I was ten years old. 3._? She started walking five hours ago. 4._? Theyve been watching Tv since 7:00. 5._? He likes skating.,對(duì)劃線部分提問(wèn)？,How long did he take a shower,How long have you been riding a bike,When did she start walking,How long have they been watching Tv,Whats his hobby,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 has Mary been a teacher? _ two years ago. 7.I have been practicing the piano _ 10:30.,Have a try,since,for,since,for,since,since,since,I have been teaching English for 8 years.,He has been skating since 2 hours ago.,觀察例句，思考上面是什么時(shí)態(tài) ，試概況時(shí)態(tài)的定義、時(shí)態(tài)的結(jié)構(gòu) 、時(shí)態(tài)的標(biāo)志。,Ive been studying English for six years. Ive been studying English since six years ago. Ive been studying English since I was ten.,定義：表示過(guò)去某一時(shí)間開(kāi)始一直延續(xù)到現(xiàn)在的動(dòng)作。,時(shí)間標(biāo)志: 1. for + 一段時(shí)間 2. since + 過(guò)去的時(shí)間點(diǎn) 3. since + 一般過(guò)去時(shí)的句子,構(gòu)成： have/has been + V-ing +,現(xiàn)在完成進(jìn)行時(shí),否定句：在have / has后+ not I havent been writing the letter for two hours. He hasnt been sleeping for 4 hours. 一般疑問(wèn)句：Have / Has 提前，放句首。 1. Have you been writing the letter foe two hours? 2. Has he been sleeping for 4 hours?,表示的動(dòng)作雖然都發(fā) 生在過(guò)去,比較： 1.I watched TV for three hours.,（I stopped watching TV.）,（I am still watching Tv now.）,現(xiàn)在完成進(jìn)行時(shí)與一般過(guò)去時(shí)的區(qū)別,3、He has been swimming since four oclock. 4、He swam at four oclock.,2.I have been watching TV for three hours.,現(xiàn)在完成進(jìn)行時(shí)與一般過(guò)去時(shí)的區(qū)別 相同點(diǎn)： 都表示的動(dòng)作雖然都發(fā)生在過(guò)去。 不同點(diǎn)： 現(xiàn)在完成進(jìn)行時(shí)：強(qiáng)調(diào)的是動(dòng)作的持續(xù)或進(jìn)行。 一般過(guò)去時(shí)：則只表示過(guò)去的動(dòng)作或狀態(tài), 和現(xiàn)在沒(méi)有什么聯(lián)系。,練習(xí)坊,一、選擇填空,( )1. Ive been skating _ three hours today. A. about B. for C. since,( )2. Weve been studying English _two years ago. A. for B. from C. since,B,C,( )3. She started skating _ 9 oclock. A. for B. at C. since ( )4. Sam _ collecting shells for five years. A. is B. started C. has been ( )5. How long have you _ today? A. swimming B. been swimming C. started swimming,B,C,B,二、用 for或since填空 1. I have been practicing my oral English _ 10:30. 2. Mary has been running _ 15 minutes. 3. Sarah has been sleeping _ 9:00. 4. Dale has been talking on the phone _ 5 minutes.,since,for,since,for,5. Louie has been studying Chinese _ he was 6 years old 6. I have been watching you _ 10 minutes. 7. Lana has been running _ 15 minutes 8. Tom has been sleeping _ 9:00.,since,for,for,since,9. He has been living here _ 2001. 10. She has been doing her homework _ two hours. 11. I have been watching TV _10 minutes. 12. How long has Mary been a teacher? _ two years ago.,since,Since,for,for,III. 將下列漢語(yǔ)翻譯成英語(yǔ)。 1. 雨已經(jīng)下了兩個(gè)星期了。 _ 2. 你奶奶從年輕時(shí)就一直運(yùn)動(dòng)嗎？ 是的，她一直運(yùn)動(dòng)。_ _ _,It has been raining for two weeks.,Has your grandmother been doing sports since she was young? Yes, she has.,Translate and write them down.,1. 他踢足球踢了多長(zhǎng)時(shí)間了？ 他踢了五個(gè)小時(shí)了。 2. 你滑