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    2023届高考英语二轮复习现在完成时被动语态课件
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    2023届高考英语二轮复习现在完成时被动语态课件

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    这是一份2023届高考英语二轮复习现在完成时被动语态课件,共24页。PPT课件主要包含了现在完成时的被动语态,“三变”,“三不变”,Exercises等内容,欢迎下载使用。

    现在完成时的结构:S + have/ has + V-过去分词(dne)
    被动语态的结构:be(been)+ V-过去分词(dne)
    Summary:现在完成时的被动语态肯定式就是:主语+have/has+been+V-过去分词
    人教版2019版 高一 unit3 The Internet grammar【优秀课件】
    Q: What can yu find?
    I have rdered a pizza fr yu.
    A pizza has been rdered fr yu.
    The Internet has changed ur life.
    Our life has been changed by the Internet.
    一、找出下面句子的谓语结构,哪些是主动?哪些是被动?Jan’s life has been greatly imprved by the Internet.The Internet has greatly imprved Jan’s life.Peple have written much abut the wnders f the Wrld Wide Web.Much has been written abut the wnders f the Wrld Wide Web.
    have/has been dne
    have/has been
    Hw d we frm the present perfect passive vice?
    二、现在完成时的被动语态意义及结构表示动作发生在过去, 到现在已经完成或对现在产生的影响。动词和被修饰主语构成被动关系(例句结合导学案P55)肯定式:have/has + been + v-ed...否定式:have/has + nt + been + v-ed...一般疑问句:Have/Has +主语+ been+v-特殊疑问句:疑问词+have/has +主语+been+ v-
    注意:下面情况下用被动语态:1. 强调动作的承受者,即动作的承受者是谈话的中心。2.不知道或不必要或为了委婉 /礼貌, 不便说出动作的发出者。3. 当动作的执行者带有较长的定语。
    肯定形式:His hmewrk has been finished.否定形式:His hmewrk has nt been finished.一般疑问句:Has his hmewrk been finished yet?特殊疑问句:Hw lng has his hmewrk been finished?
    主语+have/has been dne...
    主语+have/has nt been dne...
    have/has+主语+been
    疑问词+have/has+主语+been
    三、现在完成时的被动语态有三种情况:1) 表过去开始的被动动作一直持续到现在,常连用的时间状语有:fr+段时间,since+时间状语(从句),these days, s far, up t nw, in the last/ past few years等。eg This class have been taught by Mr. Brwn fr tw years. His Chinese has been imprved a lt since he came t China. Rwling’s nvels have been translated int many freign languages s far.
    2) 表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。 eg The bike has nt been repaired yet.I have already been intrduced t Mr. Smith. 注意:有些动词没有被动语态, 如不及物动词happen, take place, break ut等。
    e.g: 在你的作业没完成(finish)之前你不应该离开学校。Yu shuldn't leave schl befre yur hmewrk has been finished.
    3) 用在时间或条件状语从句中,表示将来某时已完成的动作,也就是用现在完成时的被动语态替代将来完成时的被动语态。
    注意:下来情况下用被动语态:1.强调动作的承受者,即动作的承受者是谈话的中心。2.不知道或不必要或为了委婉 /礼貌, 不便说出动作的发出者。3.当动作的执行者带有较长的定语。
    Tips: 常与现在完成时连用的时间状语 (是否都用完成时)already 已经      yet 已经recently/lately 最近 since then 从那时起ever since 自那以来 ever 曾经s far 迄今为止 fr a lng time 很长一段时间by nw 到现在为止 in recent years 在最近几年里in/during/ver the past/last years在过去的几年里fr+时间段
    1. I have dwnladed the sftware t help my phne battery last lnger.2. Smene has lst an identity card.3. Have yu cnfirmed the Wi-Fi passwrd?
    The sftware has been dwnladed t help my phne battery last lnger.
    An identity card has been lst.
    Has the Wi-Fi passwrd been cnfirmed?
    4. Have yu pressed the buttn yet t cpy the file?5. Has anyne made a cmment abut the nline database?
    Has the buttn been pressed yet t cpy the file?
    Has a/any cmment been made abut the nline database?
    主动语态变被动语态的原则
    例:They are building nine parks.
    原句主语 by的宾语宾语 主语 谓语由主动 被动
    原句意思不变 原句时态不变 原句主谓宾以外成分不变
    Nine parks _________________ by them.
    are being built
    1 A: Why can't I access my accunt? B: ____ yur persnal infrmatin ____________ (update)?2 Bth learning sites _______________ (visit) by ver 10, 000 peple since last year.3 This keybard _______________ (nt use) fr a lng time.4 Can yu tell me what ____________ (d) t bridge the digital divide?5 In the past year I _______________ (inspire) t buy e-bks instead f paper bks.6 A: Where can I read thse cmments? B: Online. They _______________ (pst) already.7 It seems that mre health prblems _______________ (cause) by mbile phnes.8 That app ______________ (delete) frm my smartphne already.
    Has been updated
    have been visited
    has nt been used
    has been dne
    have been inspired
    1 Cmplete the sentences with the present perfect passive vice f the given verbs.
    have been psted
    have been caused
    has been deleted
    2 Find and crrect the mistake in each sentence.
    EXAMPLEThis app∧ was used several times since I dwnladed it. has been1 Hw much mney has spent n the earthquake recvery?2 The girl is really upset because her new bicycle has stlen.3 These ld huses have been built in the 18th century.4 It's a pity that the letter has never sent t his father.5 Little had been seen f them since they mved int the huse dwn the street.
    were built (有表明确的过去时间的状语)
    has (含有since引导的状语)
    Tip①由brrw,finish,begin,start,buy,marry,pen,jin, die等词构成的现在完成时的被动语态,不能与表示段时间的状语,如fr fur days, hw lng等连用,而要改换动词或者是时态。
    判断正误:* He has died fr 3 years. ( ) * He died 3 years ag. ( )
    判断正误:*The patient has been taken gd care. ( ) *The patient has been taken gd care f. ( )
    Tip②短语动词不能分割,而且不能省略短语动词中的介词或副词。
    Tip③带复合宾语的动词变被动语态时, 只能将宾语变为主语, 原来的宾补保留不动, 改成主语补足语。
    主动: I have asked her t help yu.被动: She has been asked t help yu.
    Tip④如give, send, bring, take, teach, shw, tell, make, sing, write, read, sell, buy, pay, lend, pass, prmise等,变为被动语态时,一般将间接宾语变为被动语态的主语,若将直接宾语变为被动语态的主语时,间接宾语前面要用相应的介词。
    主动: I have given him the key.被动: He has been given the key.被动: The key has been given t him.
    Underline the use f the present perfect passive vice in the fllwing pem. Then fill in the chart belw.
    Lk at the way yur face has been washedLk at the way yur teeth have been brushedLk at the way yur shes have been cleanedYu’d better d them again.
    Lk at the way the flwers have been plantedLk at the way the grass has been cutLk at the way the paths have been sweptI hpe that yu’ll cme here again.
    Lk at the way __________________________Listen t the way _________________________Lk at the way __________________________________________________________________
    the picture has been painted
    the sng has been written
    the film has been made
    Nw think abut what yu culd create.
    Lk at the way ___________________________Lk at the way ___________________________Lk at the way ____________________________________________________________________
    the needy have been helped
    the river has been cleaned
    the trees have been planted
    Nw think hw t make the wrld a better place.
    表示过去发生的被动动作现在已经完 成或仍将持续, 强调对现在的影响
    have/has nt been dne
    Have/Has+主语+been dne?
    特殊疑问词+have/has+主语+been dne?
    表示已经完成的被动动作
    表示过去开始的被动动作一直持续到现在
    表示某被动动作对现在造成的影响或结果
    动词短语不可分割也不可省略其中的介词和副词
    不及物动词或词组无被动
    1. First as a PC and then as a laptp, I_________________(use) in ffices and hmes since the 1970s. 2. Over time my memry ________________ (develp) s much that I never frget anything I ________________(tld).3. Since the 1970s many new applicatins _________________ (find)fr me. 4. I have als ___________(put) int rbts and used t make mbile phnes as well as________ (help) with medical peratins.
    has develped
    have been tld
    have been used
    have been fund
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