1、人教版八年級（Go for it）,Unit 10 Ive had this bike for three years.,古交十一中 王中彥,Unit 10 Ive had this bike for three years.,Section A 3 Grammar focus 4c,表示從過去已經(jīng)開始持續(xù)到現(xiàn)在的動作或狀態(tài)，可以和表示“從過去某一時刻延續(xù)到現(xiàn)在的一段時間狀語”連用，如“for+時間段”、“since+過去時間點”、“since+過去時的從句”、“since+一段時間+ago”。且for與since引導(dǎo)的時間狀語可以相互轉(zhuǎn)換。,Present Perfect Tense,現(xiàn)在完

2、成時,e.g. My uncle has worked at this factory for ten years. = My uncle has worked at this factory since ten year ago. Ivelivedheresince1990 自從1990年以來我就住在這里。 Ihaventseenhimforthreeyears. 我三年沒有看見他了。,含有for，since的現(xiàn)在完成時的用法歌訣: 過去的動作或狀態(tài)，一直持續(xù)到現(xiàn)在，for、since 把時間帶。,歌訣,Shesbeenatthisschoolsincefiveyearsago. 自從五年前

3、以來她就在這個學(xué)校。,此種用法中表示持續(xù)性的動作或狀態(tài)的 動詞必須是延續(xù)性動詞(否定句除外)。 1. 這本書我買了5年了。 I have bought the book for five years. ( ) Ive had the book for five years. ( ),句中動詞的特點,2. 你哥哥參軍多長時間了？ How long has your brother joined the army? ( ) How long has your brother been in the army/been a soldier? ( ),1. 轉(zhuǎn)換為相應(yīng)的延續(xù)性動詞，用于現(xiàn)在完成時。 b

4、orrow keep buy have put on wear catch a cold have a cold get to know know get to sleep sleep,非延續(xù)性動詞和延續(xù)性動詞之間的轉(zhuǎn)換,2. 轉(zhuǎn)化為“be + 形容詞/副詞/介詞/名詞” 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,finish be over fall sleep be asleep join be in

5、/be a member of become be make friends be friends come/go/ be + 相應(yīng)的介詞短語,1. She _ this book for nearly three weeks. A. has borrowed B. has lent C. has bought D. has kept 2. Ten years has passed _ the CCTV event People Who Moved China took place in 2002. A. when B. while C. before D. since,Exercises,4

6、a,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 hours 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

7、 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 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.,I _ (never be) to the wa

8、ter 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,always want,3. We _ (have) a piano since last November. We _ (buy) it from the Li family when they moved to the U

9、S 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.,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,4c,Fill in the questions an