1、Unit 10,Unit 10 Ive had this bike for three years.,Grammar focus -4c,1. How long have you had that bike over there? Ive had it for three years. 2. How long has his son owned the train and railway set? Hes owned it since his fourth birthday. 3. Have you ever played football? Yes, I did when I was lit

2、tle, but I havent played for a while now.,定向?qū)W(xué),相互轉(zhuǎn)換,表示從過(guò)去已經(jīng)開(kāi)始持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)，可以和表示“從過(guò)去某一時(shí)刻延續(xù)到現(xiàn)在的一段時(shí)間狀語(yǔ)”連用， （ ） + 一段時(shí)間”、“（ ）+過(guò)去點(diǎn)時(shí)間”、“since+過(guò)去時(shí)的從句”、“since+一段時(shí)間+ago”。且for與since引導(dǎo)的時(shí)間狀語(yǔ)可以（ ）,Present Perfect Tense,現(xiàn)在完成時(shí),合作探究,since,for,1、 My uncle has worked at this factory_ ten years. My uncle has worked at t

3、his factory _ ten year ago. 2、 Ivelivedhere_ 1990 3、Ihaventseenhim_threeyears. 4、Shesbeenatthisschool_fiveyearsago.,for,since,since,for,用for 、since填空,since,合作探究,此種用法中表示持續(xù)性的動(dòng)作或狀態(tài)的 動(dòng)詞必須是延續(xù)性動(dòng)詞(否定句除外)。 1. 這本書(shū)我買了5年了。 I have bought the book for five years. ( ) Ive had the book for five years. ( ),句中動(dòng)詞的特點(diǎn),

4、精講點(diǎn)撥,2. 你哥哥參軍多長(zhǎng)時(shí)間了？ How long has your brother joined the army? ( ) How long has your brother been in the army/been a soldier? ( ),精講點(diǎn)撥,1. 轉(zhuǎn)換為相應(yīng)的延續(xù)性動(dòng)詞，用于現(xiàn)在完成時(shí)。 borrow buy put on catch a cold get to know get to sleep ,非延續(xù)性動(dòng)詞和延續(xù)性動(dòng)詞之間的轉(zhuǎn)換,keep,have,wear,have a cold,know,sleep,精講點(diǎn)撥,2. 轉(zhuǎn)化為“be + 形容詞/副詞/介詞/名

5、詞” begin / start be on go out be out close be closed open be open get to/arrive/reach be (in) die be dead leave be away,精講點(diǎn)撥,finish be over fall sleep be asleep join be in/be a member of become be make friends be friends come/go/ be+相應(yīng)的介詞短語(yǔ),精講點(diǎn)撥,4a,Rewrite the sentences using for or since.,Jim is in

6、 Japan. He arrived there three days ago. 2. They are very hungry. Their last meal was ten hours ago.,They have been hungry for ten hours/since ten hours ago.,Jim has been in Japan for three years.,精講點(diǎn)撥,3. I have a camera. I bought it in 2009. 4. I know Anna. I first met her three years ago. 5. Linda

7、 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.,精講點(diǎn)撥,4b,Fill in the blanks with the correct forms of the verbs in brackets.,I _ (never be) to the water park before. I want to _ (go) next mont

8、h 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,always want,達(dá)標(biāo)檢測(cè),3. We _ (have) a piano since last November. We _ (buy) it from the Li family when they moved to the US last year. 4. Cathy and Amy _ (not b

9、e) back to their hometown for two years. They _ (miss) their hometown a lot and hope to visit the place next year.,have had,bought,havent been,miss,達(dá)標(biāo)檢測(cè),5. This museum _ (be) here for over 20 years. It _ (be) one of the oldest buildings in this small town.,has been,is,達(dá)標(biāo)檢測(cè),4c,Fill in the questions and ask t