1、Unit 10 Ive had this bike for three years.,Grammar Focus,Grammar,Present perfect tense with since and for,現(xiàn)在完成時(shí)表示動(dòng)作或狀態(tài)在過(guò)去已經(jīng) 開(kāi)始，持續(xù)到現(xiàn)在可能還要持續(xù)下去， 常和for, since引導(dǎo)的表示一段時(shí)間的時(shí) 間狀語(yǔ)連用，謂語(yǔ)動(dòng)詞多用延續(xù)性動(dòng)詞。 如：live, teach, learn, work, study, be open, be closed, keep, have, be away, be married, be asleep, be ill等。,如： I ha

2、ve worked here since 2002. 自從2002年以來(lái)我就在這兒工作。 They have learned English for three years. 他們學(xué)英語(yǔ)3年了。 注意：1）since + 點(diǎn)時(shí)間或一般過(guò)去時(shí)， for + 段時(shí)間， 如：since last week, for two days。,1. We have lived here _ 1990. 2. How long have you studied here? _ 5 years. 3. The boy has had a bad cold _ last night. 4. I have wait

3、ed _ two hours.,since,since,For,用for和since完成句子。,for,5. Mr. Huang has kept the books _ last month. 6. I have taught in the school _ I came here. 7. We have been friends _ a long time. 8. I have been in Nanjing _ eight years.,since,since,for,for,9. Sally has been away from London _ last Saturday. 10.

4、Our school has changed a lot _ the new building was built. 11. Tommy has had this motorcycle _ three years. 12. My parents have been married _ 20 years.,since,since,for,for,2. 短暫性動(dòng)詞(come, go, leave, buy )可 以用于現(xiàn)在完成時(shí)。但不能用于帶有 for或是since的肯定句中。,He has left Beijing for a week. He has not left Beijing yet.

5、,(),(),3. 短暫性動(dòng)詞變?yōu)檠永m(xù)性動(dòng)詞的現(xiàn)在完成 時(shí)構(gòu)成舉例：,buy have / has had borrow have / has kept arrive have / has been in / at leave have / has been away open have / has been open join have / has been in have / has been a member of,die have / has been dead marry have / has been married come / go have / has been in / a

6、t begin / start have / has been on finish / stop have / has been over fall asleep have / has been asleep,The old man died two years ago. 這個(gè)老人兩年前死了。 The old man has been dead for two years. 這個(gè)老人死了兩年了。 He bought a car five years ago. 他五年前買了一輛轎車。 He has had the car for five years. 這輛轎車他買了五年了。,4a,Jim is

7、 in Japan. He arrived there three days ago. 2. They are very hungry. Their last meal was ten hours ago.,Jim has been in Japan for three years.,They have been hungry for ten hours/ since ten hours ago.,Rewrite the sentences using for or since.,3. I have a camera. I bought it in 2009. 4. I know Anna.

8、I first met her three years ago. 5. Linda is ill. She became ill on Monday.,I have had a camera since 2009.,I have known Ann for three years/ since three years ago.,Linda has been ill since Monday.,4b,Fill in the blanks with the correct forms of the verbs in brackets.,1. I _ (never be) to the water

9、park before. I want to _(go) next month before the weather gets too cold. 2. They _ (never own) any pets, but they _ (always want) to have a dog.,have never been,go,have never owned,have always wanted,3. We _ (have) a piano since last November. We _ (buy) it from the Li family when they moved to the

10、 US last year. 4. Cathy and Amy _ (not be) back to their hometown for two years. They _ (miss) their hometown a lot and hope to visit the place next year. 5. This museum _ (be) here for over 20 years. It _ (be) one of the oldest buildings in this small town.,have had,have not been/havent been,bought

11、,miss,has been,is,Fill in the questions and ask two students. Then complete the chart. (4c) 1. Do you have a(n) _? How long have you had it? 2. Do you own a(n) _? How long have you owned it?,Group work,課時(shí)重點(diǎn)回顧,Review,1. 現(xiàn)在完成時(shí)的特殊疑問(wèn)句的結(jié)構(gòu)： 疑問(wèn)詞 + have/has + 主語(yǔ) + 過(guò)去分詞 + 其他成分。詢問(wèn)擁有時(shí)間的疑問(wèn)詞 用how long。 2. 介詞for后

12、接一段時(shí)間，指某個(gè)動(dòng)作或 情況到現(xiàn)在為止已持續(xù)了多久。,3. since有兩種用法，分別是： 作為介詞，接一個(gè)時(shí)間名詞； 作為連詞，引導(dǎo)一個(gè)時(shí)間狀語(yǔ)從句。 since表示“自以來(lái)”，指某個(gè)動(dòng)作 或情況從過(guò)去某一點(diǎn)時(shí)間一直持續(xù)到 現(xiàn)在。,一、單項(xiàng)選擇。,1. Miss Liu has taught English _ she came here. (2012四川雅安) A. since B. as C. when D. for 2. Ten years has passed _ the CCTV event People Who moved China took place in 2002. (

13、2012陜西) A. when B. while C. before D. since,3. My sister has learnt English_. (2013四川雅安) A. for twelve years ago B. since she was four C. twelve years ago D. at the age of four4. She _ the book _ two days ago. (2013黑龍江綏化) A. has borrowed; since B. has kept; since C. kept; for,5. Did you borrow the c

14、omic book from the library? Yes, I _ it for three days. Ill return it this afternoon. (2013貴州安順) A. borrowed B. kept C. have borrowed D. have kept,三、按要求改寫句子。,1. The class was over ten minutes ago. (同義句轉(zhuǎn)化) The class _ for ten minutes. 2. His grandpa died in 2004. (同義句轉(zhuǎn)化) His grandpa _ for 10 years.,h

15、as been over,has been dead,The exhibition has been on for three days. (同義句轉(zhuǎn)化) The exhibition _ three days ago. My parents got married 25 years ago. (同義句轉(zhuǎn)化) My parents _ for 25 years.,started / began,have been married,5. I bought the MP3 last week. (同義句轉(zhuǎn)化) I _ the MP3 for a week. 6. Kitty joined the

16、Reading Club last year. (同義句轉(zhuǎn)化) Kitty _ the Reading Club since last year.,have had,has been a member of,7. My uncle began to teach Chinese when he was 23. (同義句轉(zhuǎn)化) My uncle has _ Chinese _ he was 23. 8. We havent seen each other for 2 years. (同義句轉(zhuǎn)化) Its two years _ we _ last. 9. The meeting has been over for an hour. (對(duì)劃線部分提問(wèn)) _ has the meeting been over?,taught since,since met,How long,四、根據(jù)漢語(yǔ)提示，完成下面的句子。 1. 你上個(gè)星期五就借了我的書，還沒(méi)有看 完嗎？ You _ my book _ last Friday. Havent you finished reading it? 2. 我從七點(diǎn)起就開(kāi)始等了。 I have waited _. 3. 她已經(jīng)到達(dá)公司半個(gè)小時(shí)了。 She has been in the company _ _.,have