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1、Complete the sentences with since or for.1. You have been in New York _ a long time.2. The city has improved a lot _ I came here a few years ago.forsinceYou have been in New York for a long time.for a long timecame to New Yorkpresentpastsb. have/ has been in. 某人一某人一直在直在e.g. I have been in the new sc

2、hool for a week.for a weeklast weekpresentpastfor + 時(shí)間段時(shí)間段., but the city has improved a lot since I came here a few years ago.since I came here a few years ago came herepresentpastsince +從句從句（從句謂語(yǔ)動(dòng)詞用過(guò)去式）（從句謂語(yǔ)動(dòng)詞用過(guò)去式）e.g. She works in the school since 1995. since 1995lived presentpastsince +時(shí)間點(diǎn)時(shí)間點(diǎn)e.g

3、. He has waited for Tom since two hours ago.since two hours ago8:00presentpastsince + 時(shí)間段時(shí)間段+ago10:00I have worked in the school for three years . =I have worked in the school since three years ago . =I have worked in the school since 2011. =I have worked here since I came to the school . for+時(shí)間段時(shí)間段

4、since+時(shí)間段時(shí)間段+agosince+時(shí)間點(diǎn)時(shí)間點(diǎn)since+從句從句3 Look carefully and think about the differences between since and for in 1a. Then complete the sentences with since or for and listen and check.1.I have lived in Beijing _ three years. _2011. 2. He has waited for Tom _ two hours ago. _ two hours. 3. We have lea

5、rned chemistry _ one month. _ the new term began. forforforsincesincesince n.化學(xué)化學(xué)n.學(xué)期學(xué)期Fill in the blanks with for or since.1. His father has been dead _ he was ten years old.2. Michael has been away from the army _ six years.3. He has been in Chongqing _2003.4. My brother has had a car _ two months

6、.5. Tom has kept a book _ 5:00 a.m.sinceforsinceforsincemillions of 用法：用法： 在英語(yǔ)中hundred , thousand , million , billion等詞，當(dāng)其前面有數(shù)詞時(shí)，它們不加 “s”使用，其后也不用介詞of .直接跟可數(shù)名詞的復(fù)數(shù)形式。 如：five million people 五百萬(wàn)人五百萬(wàn)人 當(dāng)表達(dá)不確定數(shù)字時(shí)，在它們后面加上 “s”再加介詞of使用。后接可數(shù)名詞的復(fù)數(shù)形式，表示 “數(shù)百” “數(shù)千” “數(shù)百萬(wàn)” “數(shù)十億”。如： millions of people 數(shù)百萬(wàn)人數(shù)百萬(wàn)人 1992 H

7、is father died in 1992. His father has been dead for many years. 2002 He left the army because of a leg wound in 2002. He has been away from the army for twelve years because of a leg wound. 2003 He came to Beijing in 2003 . He has been in Beijing since 2003 . 2004 He joined the Helpers Club in 2004

8、. He has been a member of Helpers Club since2004. 2005 He bought a house in 2005. He has had a house since 2005. 2012 He borrowed a car in 2012. He has kept the car for two years . since 8:00The woman left home at 8:00.for 2 hours8:00present10:00past短暫性動(dòng)詞短暫性動(dòng)詞 延續(xù)性動(dòng)詞延續(xù)性動(dòng)詞 leave be away fromShe has be

9、en away from home since 8:00.= She has been away from home for 2 hours.短暫性動(dòng)詞短暫性動(dòng)詞come - leave -get to know -die -buy-begin -borrow -marry -catch a cold -close -join -fall ill -延續(xù)性動(dòng)詞延續(xù)性動(dòng)詞bebe away (from)knowbe deadhavebe onkeep be marriedhave a coldbe closedbe a member of / be inbe illFill in the bla

10、nks.1. His father _ (die) in 1992. His father _ (be dead) for many years.2. He _ (leave) the army because of a leg wound. He _ (be away from) the army for seven years because of a leg wound.3. He _ (come) to Beijing in 2003. He _ (be in) Beijing since 2003.diedhas been deadlefthas been away fromcame

11、has been in4 He _ (join) Helpers Club in 2004. He _ (be) a member of Helpers Club since 2004.5. He _ (buy) a house in 2005. He _ (have) a house since 2005.6. He _ (borrow) the car in 2008. He _ (keep) the car for one year.joinedhas been boughthas hadborrowedhas kept現(xiàn)在完成時(shí)練習(xí)題 三、用since和for填空 1. _ two y

12、ears 2._ two years ago 3. _ last month 4._ 1999 5._ yesterday 6. _ 4 oclock 7. _ 4 hours 8._ an hour ago 9. _ we were children 10. _ lunch time 11._ she left here 12. He has lived in Nanjing _ the year before last. 13. Ive known him _ we were children. 14. Our teacher has studied Japanese _ three years. 15. She has been away from the city _ about ten years. 16. Its about ten years _ she left the city.