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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 1 The Changing World,Topic 3 The world has changed for the better.,Section A,Unit 1 The Changing World To,New York,New York,九上for和since的用法区别课件,1.You,have been in,New York,for,a long time.,for a long time,came to New York,present,past,sb.have/has been in.,某人一直在,1.You have been in New York fo,e.g.I,have been in,the new school _.,for two years,two years ago,present,past,for+,一段时间,for two years,e.g.I have been in the new sc,.,but the city,has improved,a lot,since,I,came,here a few years ago.,since I came here a few years ago,came here,present,past,since+,从句,（从句谓语动词用过去式）,.,but the city has improved,e.g.She has worked in the school,_.,since 2010,2010,present,past,since+,时间点,since 2010,e.g.She has worked in the sch,e.g.He has waited for Tom _.,since two hours ago,8:00,present,past,since+,一段时间,+ago,10:00,since two hours ago,e.g.He has waited for Tom _,I have worked in the school,for,ten years,.,=I have worked in the school,since,ten years ago.,=I have worked in the school,since,2010,.,=I have worked here,since,I came to the school.,for+,时间段,since+,时间段,+ago,since+,时间点,since+,从句,since/for,用法归纳：,I have worked in the school fo,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.,for,since,forsince,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 learned,chemistry,_ one month.,_ the new,term,began.,for,for,for,since,since,since,n.,化学,n.,学期,3 Look carefully and think abo,一、,have been to/have gone to,have+done,二、句子中出现以下标志性的词汇：,already,yet,neverbefore,just,ever,参见课本,P15.,三、,for+,一段时间,since+,现在完成时用法总结,从句,时间点,一段时间,+ago,一、have been to/have gone to现在完,一、,have been to/have gone to,-I called you but no one answered.,-Oh,I _ the park with my mother.,-Helen is not here today.Where is she?,-Oh,she _ England and she will be back tomorrow.,现在完成时用法总结,have been to,has gone to,一、have been to/have gone to现在完,单项选择：,1.Every year,_ birds come to the lake to spend winter.,A.million of B.millions of,C.two millions D.two millions of,2.I _ Mr.Zhao since I _ here three years ago.,A.knew;came B.have known;came,C.knew;have come D.have known;have come,3.Lucy _ China for 3 years,but she has lived in Shanghai _ last week.,A.has been to,；,since B.has been in;for,C.has been to;for D.has been in;since,单项选择：1.Every year,_ bird,4.-_ have you lived here?-Since I came here in 2001.,A.How soon B.When C.How long,5.My sister _ play computer games after supper,but now she often takes a walk.,A.used to watch B.is used to watching,C.would like to watch,6.-Is your uncle a worker?,-Yes,he has worked on the farm _.,A.every year B.twenty years ago,C.for twenty years,4.-_ have you lived,Thank You!,Thank You!,
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