英語人教版八年級(jí)下冊(cè)Unit10 Grammar Focus4a-4c教學(xué)課件.pptx

1、Unit 10 Ive had this bike for three years.,大圩中學(xué) 林鳳香,Section A 3 Grammar focus - 4c,大圩中學(xué) 林鳳香,Learning taigets,知識(shí)與技能：1.熟知現(xiàn)在完成時(shí)特殊疑問句的結(jié)構(gòu)； 2.正確區(qū)分for和since在現(xiàn)在完成時(shí)的用法； 3.能根據(jù)延續(xù)性動(dòng)詞與非延續(xù)性動(dòng)詞進(jìn)行造句和做題。 過程與方法：通過自學(xué)和討論，發(fā)揮學(xué)習(xí)自主性 和合作性，并通過完成由易到難的不同類型的練習(xí)， 突破重難點(diǎn)。 情感態(tài)度與價(jià)值觀：根據(jù)句義和關(guān)鍵詞降低解題 難度，提升學(xué)習(xí)英語尤其是英語語法的自信心；通過 在相對(duì)真實(shí)的交際環(huán)境中使用目標(biāo)

2、語言，增強(qiáng) 同學(xué)之間的互動(dòng)和相互了解，使課堂活躍起來。,Read Grammar Focus and think about the following questions: 1. 現(xiàn)在完成時(shí)特殊疑問句的結(jié)構(gòu)是什么？ 2.用什么疑問詞來詢問擁有某物品的時(shí)間？ 3.for后面接什么？ 4.since后面接什么？,Grammar focus,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

3、set? -Hes owned it since his fourth birthday. 3. -Have you ever played football? -Yes, I did when I was little, but I havent played for a while now.,Grammar focus,1.現(xiàn)在完成時(shí)的句子結(jié)構(gòu)： 疑問詞+助動(dòng)詞have/has+主語+過去分詞+其他 2.詢問擁有時(shí)間的疑問詞用 3.介詞for后接一段時(shí)間，指某個(gè)動(dòng)作到現(xiàn)在為止已持續(xù)了多久 4.since表示“自.以來”，用法如下： 作為介詞，接一個(gè)時(shí)間名詞； 作為連詞，引導(dǎo)時(shí)間狀語從句。,

4、Grammar focus,how long,bought the bag now,_|_|_ 2014 3 years 2017,How long has Jamie had this bag?,Jamie has had the bag for 3 years. Jamie has had the bag since 3 years ago. Jamie has had the bag since 2014. Jamie has had the bag since she was 23.,時(shí)間狀語: 1. for +一段時(shí)間 e.g: for 3 years 2. since +過去的時(shí)間

5、點(diǎn) e.g: since 2014 3. since + 一段時(shí)間+ ago e.g: since 3 years ago 4. since + 從句（一般過去時(shí)態(tài)） e.g: since she was 23.,Present Perfect Tense,1. How long have you lived here? Ive lived here _ twenty years. 2. Yes, Ive been here _ 1976. 3. Amy has had the toy bear _ she was a baby. 4. We havent seen each other _

6、last week. 5. My parents and I have been in Hong Kong _ two days.,for,since,since,since,for,Exercise,Ready?,A.Maria has come back since three days ago. ( ) Maria has been back since three days ago. ( ),Discuss,B.How long has Tom borrowed the book? ( ) How long has Tom kept the book? ( ),C.Tony has b

7、ought the computer for two years. ( ) Tony has had the computer for two years. ( ),注意：現(xiàn)在完成時(shí)肯定句和how long引導(dǎo)的疑問句表示持續(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)。,句中動(dòng)詞的特點(diǎn),Exercise,1. Becky_(has been. has become)a doctor for ten years. She likes her job very much. 2. We are late. The movie _(has started, has has been on) f

8、or ten minutes. 3. Ken, you should return the book to the library. You _(have borrowed, have kept)it for more than two weeks. 4.I _(have bought, have had )this bike since I was ten, so I want to buy a new one.,has been,has been on,have kept,have had,Ready?,become have been borrow have kept buy have

9、had,非延續(xù)性動(dòng)詞和延續(xù)性動(dòng)詞之間的轉(zhuǎn)換,2. 轉(zhuǎn)化為“be + 形容詞/副詞/介詞/名詞” begin / start have been on go out have been out get to/arrive/reach have been (in) leave have been away,4a,Rewrite the sentences using for or since.,Jim is in Japan. He arrived there three days ago. 2. They are very hungry. Their last meal was ten hour

10、s ago.,They have been hungry for ten hours/since ten hours ago.,Jim has been in Japan for three years.,3. I have a camera. I bought it in 2009. 4. I know Anna. 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 Anna for three year

11、s/ since three years ago.,Linda has been ill since Monday.,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 month before the weather gets too cold. 2. They _ (never own) any pets, but they _ (always want) to have a

12、dog.,have never been,go,have never owned,always want,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 be) back to their hometown for two years. They _ (miss) their hometown a lot and hope to visit the place next

13、 year.,have had,bought,havent been,miss,5. This museum _ (be) here for over 20 years. It _ (be) one of the oldest buildings in this small town.,has been,is,1. Wow, you are really a born basketball player. Thanks. You know, I have been in the school basketball team _. A. for two years ago B. since tw

14、o years C. since 2011 2. Do you enjoy living in Daxu? Yes. I have already fallen in love with Daxu, though I _ the town for a week. A. have arrived in B. have been in C. have been to,Exercise,3. My sister has learnt English_. A. for twelve years ago B. since she was four C. twelve years ago 4. She _ the book _ two days ago. A. has borrowed;