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Module 4 Seeing the doctor模块语法专练现在完成时(三)1.现在完成时表示动作或状态从过去某一时刻开始一直持续到现在,常与“since+时间点”或“for+时间段”连用。for表示“经过(一段时间)”,而since表示“自从(以来)”。例如:I have lived in Hefei for ten years.我在合肥已经住了10年了。He has been in this school since xx.自从xx年起,他就在这所学校了。My sister has learnt English since she was four.我姐姐从4岁起就开始学英语了。2.在对现在完成时句子中的时间状语进行提问时,应用how long。例如:How long has Mary been a teacher?玛丽成为老师已经多久了?Since two years ago.自从两年前。3.在现在完成时的肯定句中,非延续性动词一般不能与时间段连用。在表示持续一段时间的句中,应将非延续性动词转换为相同意义的延续性动词。常见的非延续性动词转换为延续性动词:非延续性动词延续性动词go,leave,movearrive,come,reachbuy,getfinish,endbegin,startdieloseborrow,lendbe away (off),be out ofbe here,be in+某地havebe overbe onbe deadbe lostkeep/have注意:在否定句中,非延续性动词可以与时间段连用。例如:I havent seen him for a long time.我很久没见到他了。I havent heard from her since she left.自她离开以后,我一直没收到她的来信。.单项填空(A)1.Excuse me,where is Mr Browns office?Sorry,I dont know.Ihere for only a few days.A.have workedB.workedC.workD.will work(D)2.My grandmothera lot of changes in Tianjin since she came here.A.seesB.canseeC.willseeD.has seen(D)3.Imany new friends since I came here.A.makeB.madeC.willmakeD.have made(B)4.Look at these stamps.Ithem for five years.Wow,they are wonderful.A.keptB.have keptC.have boughtD.have brought(D)5.IMr Smith since he moved to Shanghai.A.didnt hear fromB.dont hear fromC.wont hear fromD.havent heard from(C)6.Not only Jim but also his parentsa few interesting places since they came to China.A.will visitB.has visitedC.have visitedD.visited(C)7.My aunt is a writer.Shemore than ten books since 1980.A.writesB.wroteC.has writtenD.will write(A)8.Mikefor ten years.He still loves his wife very much.A.has been marriedB.marriedC.got marriedD.has married(D)9.My brother hasthe army for three years.A.joinedB.taken part inC.joined inD.been in(B)10.have you been like this?Since Friday.A.How soonB.How longC.How oftenD.How many times.根据句意用for或since填空1.We havent seen each otherfora long time.2.His father has been in the Partysince10 years ago.3.The film has been onfor20 minutes.4.Mr Green has worked heresincehe came to China.5.His grandparents have been deadforseveral years.
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