1、Topic 3 The world has changed for the betterSection B (3a-3b)Unit 1 The Changing World1.-Have you_ been to Beijing?-Yes,I have.I have _ come back.-No,I havent.I have _ been there everjustneverRevision2.-Where have you been?-I Qingdao.-Where is your mother?-SheBeijing,she will come back next week.hav
2、e been tohas gone to3.-How long have you been in Beijing?-I have been theretwo weeks.-I have been there last week.forsincefishermansoldierwoundengineersecretaryn.工程师n.秘书n.创伤v.伤，伤害 Xiao linss story1992 His father died in 1992 His father has been dead for many years.2002 Hethe army because of a leg wo
3、und in 2002 He has from the army for twelve years because of a leg wound.leftbeen away2003 He came to Beijing in 2003 .He has Beijing since 2003.2004 He joined the Helpers Club in 2004.He has Helpers Club since 2004.been inbeen a member of2005 Hea house in 2005.He has had a house since 2005.2012 Hea
4、 car in 2012.He has kept the car for two years.boughtborrowed3b Retell Xiao Lins story to your partner based on the box in 3a.1.用一般过去时。2.用现在完成时态。n.俱乐部Xiao Lin is not only the secretary of the Helpers Club but also an excellent computer engineer.Hes the son of a fisherman.His father died in 1992.Xiao
5、 Li joined the army in 2000,but he left the army because of a leg wound in 2002.Then in 2003,He came to Beijing.He joined the Helpers club next year.He bought a house in 2005 and borrowed a car in 2012The story of Xiao LinXiao Lin is not only the secretary of the Helpers Club but also an excellent c
6、omputer engineer.Hes the son of a fisherman.His father has been deadfor many years.He has been away the army for twelve years because of a leg wound.He has been in Beijing since 2003.He has been a member ofHelpers Club since 2004.He has had a house since 2005.He has kept the car for two years.We can
7、 also tell the story like this:since 8:00The woman left home at 8:00.for 2 hours8:00present10:00past短暂性动词 延续性动词leave be away fromShe has been away from home since 8:00.=She has been away from home for 2 hours.找规律：He bought a computer in 2007.for two years2007present2009pastsince 2007He has had a com
8、puter since 2007.=He has had a computer for two years.短暂性动词 延续性动词buy have短暂性动词come-leave-die-buy-begin-borrow-finish-close-join-fall ill-延续性动词be inbe away(from)be deadhavebe onkeepbe over be closedbe a member of/be inbe ill open -be open完成同义句1.His father died in 1992.His father_ for many years.2.He
9、left the army because of a leg wound.He _ the army for seven years because of a leg wound.has been deadhas been away from3.He came to Beijing in 2003.HeBeijing since 2003.4.He Helpers Club in 2004.He has been a member of Helpers Club since 2004.has been in joined5.I bought a house in 2005.I _ a hous
10、e since 2005.6.He borrowed the car in 2008.He _ the car for one year.have hadhas kept 总结现在完成时态用法 1.have/has been to 和have/has gone to 的区别 have/has been to 表示“曾经到过某地”have/has gone to 表示“已经去某地了”2.现在完成时可以和just,already,yet,ever,never,before 等词连用。3.表示开始于过去并持续到现在的状态，可以和表示从过去某一时刻延续到现在（包括“现在”在内）的一段时间的状语连用。表
11、示持续动作或状态的动词多是延续性动词。I 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+时间段since+时间段+agosince+时间点since+从句We learn:Some words:program,homeless,manage,treatment,training,immediately,secretary,helper,club,engineer,woundWe can:.Use the Present Perfect Tense with for and since and tell a story in different ways.(1)His father died in 1992.(2)His father has been dead for many years.(3)His father has been dead since 1992.
