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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,#,Book 2 Unit 3 Grammer,The Present Perfect Passive Voice,现在完成时被动语态,Book 2 Unit 3 Grammer The Pres,1,复习回顾一般将来时被动语态,Our school will build a swimming pool,next year,.,被动,语态,:,A swimming,pool,will be,build in,our,A swimming,pool will not,be build in,school next year.,被动,否定,式：,our school next year.,被动一般疑问式：,对划线部分提问：,Will a swimming pool be build,in our school next year?,When,will a swimming pool,be,build in our school,?,复习回顾一般将来时被动语态Our school will b,2,课前,准备,-,现在完成时的主动语态,1,）,We,have taken,a lot of measures to protect wildlife here in the past three years.,2)He,has improved,his Chinese a lot since he came to China.,3)People,have not talked about,the topic for a long time.,4),Has,he sold,out,his books?,5),What have,they already,published,?,课前准备-现在完成时的主动语态1）We have tak,3,归纳一,:,现在完成时的主动语态结构,肯定式,:,否定式：,一般疑问式：,特殊疑问式：,have/has,done.,have/has not/never,done.,Have/Has+,主语,+,done,？,疑问词,+have/has+,主语,+,done,？,归纳一:现在完成时的主动语态结构肯定式:have/has d,4,1.,表示过去开始的被动动作一直持续到现在,，连用,的时间状语有：,for+,一段时间，,since+,时间状语（从句），,these days,so far,up to now,in the last/past few years,等。,e.g Up to now,half of the boos have been,read by the students.,2.,表示某被动动作对现在造成的影响或结果，常与,already,yet,just,ever,never,recently,等连用,。,e.g.I have already been introduced to Mr.Smith.,1.表示过去开始的被动动作一直持续到现在，连用的时间状语有：,5,归纳现在完成式的被动语态表示动作发生在,，在说话之前,，强调对,现,在,造成的影响或产生的结果。,过去,已经完成,归纳二：现在完成时的被动语态,结构,肯定,式：,否定,式：,一般疑问,式：,特殊,疑问式：,疑问词,+have/has,+,主语,+,been,done,？,主语,+has/have been+,done.,主语,+has/,have+not/never,been,done,Have/Has+,主语,+,been done,？,归纳现在完成式的被动语态表示动作发生在,6,并不是所有动词,都会有,被动语态,e.g,happen,take place,break out,belong to,cost,last,等不及物动词或词组无被动语态,。,错,Great changes have been taken,place in China since 1978.,正,Great changes have,taken place,in,China since 1978.,并不是所有动词都会有被动语态,7,注意,:,副词的位置,often,usually,always,never,hardly,seldom,等副词置于,have/has,和,been,中间。如,:,错,Such a man has been hardly,believed.,正,Such a man has,hardly,been,believed.,注意:副词的位置,8,(1),不知道或没有必要说明动作的执行者是谁。,e.g,:,Some,old,computers were stolen,last night.,一些旧电脑,在昨晚被盗了。,(,不知道电脑是谁偷的,),This book was published in,1900.,这本书出版于,1900,年,。,被动语态的用法,:,(1)不知道或没有必要说明动作的执行者是谁。被动语态的用法,9,(2),强调动作的承受者,而不强调动作的执行者。,如,:,The window was broken by,Jane.,窗户,是,Jane,打破,的。,This book was written by,her.,这本书,是她写,的。,(2)强调动作的承受者,而不强调动作的执行者。,10,Exercises,1.Both my brother work at the power station that _ in my hometown.,A.has set up B.has been set up,C.was set up D.is set up,2.-_ the sports meet will be put off.,A.Ive been told B.Ive told,C.Im told D.I told,Exercises1.Both my brother wo,11,3.All the preparation for the task _,and were ready to start.,A.completed,B.complete,C.had been completed,D.have been done,3.All the preparation for the,12,4.-How long _ at this job?,-Since 1990.,A.were you employed,B.have you been employed,C.had you been employed,D.will you be employed,4.-How long _ at this,13,5.When and where to go for the on-salary holiday _ yet.,A.are not decided,B.have not been decided,C.is not being decided,D.has not been decided,5.When and where to go for th,14,
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