Unit 3 The internet Discovering Useful Structures（ppt课件+音频)-2022新人教版（2019）《高中英语》必修第二册.rar

1、n.功能；作用；机能功能；作用；机能vi.起作用；正常工作；运转起作用；正常工作；运转n.电池电池vt.确认；使确信确认；使确信n.无线保真（用无线电波而非网无线保真（用无线电波而非网 线在计算机网络传输数据的系线在计算机网络传输数据的系 统）统）vt.按；压；敦促按；压；敦促n.按钮；纽扣按钮；纽扣n.文件；文件夹；档案文件；文件夹；档案functionbatteryconfirmWi-FipressbuttonfileWords reviewRead after the tape and speak out the Chinese immediately.Talking about som

2、ething that has been donepresent perfect passive voiceDiscovering Useful StructuresUnit 3P 30 1Read the pairs of sentences.Underline and compare the different verb forms.*Jans life has been greatly improved by the Internet.*Much has been written about the wonders of the World Wide Web.*People have w

3、ritten much about the wonders of the World Wide Web.*The Internet has greatly improved Jans life.Verb formActive have/has+V-edPassive have/has+been+V-edHow do we form the present perfect passive voice?Fill in the blanks.1.Much has been written about the wonders of the World Wide Web.2.Peoples lives

4、have been changed by online communities and social network.3.Many people has been helped by the club.4.Jans life has been greatly improved by the Internet.5.Do you think your life has been changed by the Internet?1.Much _(write)about the wonders of the World Wide Web.2.Peoples lives _(change)by onli

5、ne communities and social network.3.Many people _(help)by the club.4.Jans life _(greatly improve)by the Internet.5.Do you think your life _(change)by the Internet?has been writtenhave been changedhas been helpedhas been greatly improvedhas been changedgo Ready?现在完成时的被动语态同它的主动语态一样，现在完成时的被动语态同它的主动语态一样

6、，强强调过去的动作对现在造成的影响或结果调过去的动作对现在造成的影响或结果，但，但主语主语为动作的承受者为动作的承受者，表示，表示“已经被已经被”。现在完成时的被动语态现在完成时的被动语态(1)So even the olive wreath has been replaced!(2)Over time I have been changed quite a lot.1.肯定式：肯定式：have/has+been+v-ed2.否定式：否定式：have/has+not+been+v-ed(1)My question has not been answered.(2)She hasnt been

7、told about it yet.3.3.现在完成时被动语态的一般疑问句需将现在完成时被动语态的一般疑问句需将 _ _提到主语的前面。提到主语的前面。(1)Has his bike been repaired?(2)Have they been notified about it?4.4.特殊疑问句为：特殊疑问句为：提问主语：提问主语：提问其它：提问其它：have/has特殊疑问词特殊疑问词 +have/has+been+v-ed？(1)Who has been invited?(2)Why has he been praised by his teacher?特殊疑问词特殊疑问词 +一般疑

8、问句？一般疑问句？用法例解：用法例解：1.主语是行为动作的承受者。主语是行为动作的承受者。The Temple of Zhang Fei has been rebuilt.2.说话时已经完成的动作或出现的结果。说话时已经完成的动作或出现的结果。(1)So even the olive wreath has been replaced!(2)The door has been locked.3.动作或状态始于过去，持续到现在，并可能动作或状态始于过去，持续到现在，并可能 持续下去。持续下去。(1)He has written 8 books so far.(2)He has been told

9、about it for many times.4.亦可用在时间和条件状语从句中，表示将来亦可用在时间和条件状语从句中，表示将来 某时已完成的动作。某时已完成的动作。Well start as soon as the work has been finished.1.1.副词的位置副词的位置(1)Such a man has hardly been believed.(2)The machine has already been repaired.注意：注意：2.2.并不是所有动词都有被动语态并不是所有动词都有被动语态不及物动词不及物动词和和系动词系动词都都没有被动语态没有被动语态形式。但它形

10、式。但它们中的们中的某些不及物动词某些不及物动词虽为虽为主动形式主动形式，却，却可表示可表示被动意义被动意义。(1)The steel feels cold.(2)The book smells old.(3)Good medicine tastes bitter.所有的所有的及物动词都有被动语态及物动词都有被动语态？often,usually,always,never,hardly,seldom等副词置等副词置于于have/has和和been中间。中间。错，只有及物动词才有被动语态形式，但错，只有及物动词才有被动语态形式，但不是所有不是所有的及物动词的及物动词都是如此，如某些都是如此，如某些

11、表示状态或表示关系表示状态或表示关系的动词或短语的动词或短语只有主动语态，而只有主动语态，而无被动语态无被动语态。常见常见的这类动词有：的这类动词有：cost(花费花费),fit(适合适合),have(有有),hold(容纳容纳),lack(缺乏缺乏),own(占有占有),suit(适合适合),fail(失败失败),belong to(属于属于),agree with(同意同意)等。等。e.g.(1)Taiwan belongs to China.(2)The coat cost me 300.拓展拓展：所有的：所有的及物动词都有及物动词都有被动被动语态语态？The patients have

12、 been taken good care of.3.3.短语动词不可分割也不可省略其中的介词或副短语动词不可分割也不可省略其中的介词或副 词。词。1.It is difficult to figure out a global population of polar bears as much of the range has been poorly(poor)studied.(2019全国全国卷语法填空卷语法填空)由于大部分有关北极熊生活范围的研究还很少，由于大部分有关北极熊生活范围的研究还很少，所以很难统计出全球北极熊的数量。所以很难统计出全球北极熊的数量。2.A 90-year-old

13、 has been awarded“Woman Of The for being(be)Britains oldest full-time employee-still working 40 hours a week.(2019全国全国卷语法填空卷语法填空)一位一位9090岁老人因为是英国最年长的全职雇员而岁老人因为是英国最年长的全职雇员而 被评为被评为“年度女性年度女性”。她仍然一周工作。她仍然一周工作4040个小个小 时。时。Translate the following sentences into Chinese.3.Wildlife has been greatly threaten

14、ed in the modern age.(2019江苏完型填空江苏完型填空)当代野生动植物受到极大的威胁。当代野生动植物受到极大的威胁。4.Use a fire extinguisher only if you have been trained to do so.(2018天津阅读天津阅读A A篇篇)只有在你受过训练的前提下才可以使用灭火器只有在你受过训练的前提下才可以使用灭火器。5.Sarah has been told/was told(tell)that she could be Britains new supermodel,earning a million dollars in

15、 the next year.(2017全国卷全国卷语法填空语法填空)莎拉莎拉被告知被告知她可能她可能成为成为英国新超模，第二年收英国新超模，第二年收 入入100100万美元万美元。6.Already this year,115 measles cases(麻疹病例麻疹病例)have been reported in the USA,compared with 189 for all of last year.(2017全国卷全国卷阅读阅读)今年，美国已经报告了今年，美国已经报告了115例麻疹病例，去年全例麻疹病例，去年全 年为年为189例例。1.Change the sentences in

16、to the present perfect passive voice.EXAMPLETheyve built a kind of new OC with more functions.A kind of new PC has been built with more functions.1.I have downloaded the software to help my phone battery last longer.The software has been downloaded to help my phone battery last longer.2.Some one has

17、 lost an identity card.An identity card has been lost by some one.3.Have you confirmed the Wi-Fi password?Has the Wi-Fi password been confirmed by you?4.Have you pressed the button yet to copy the file?Has the button been pressed by you yet to copy the file?5.Has anyone made a comment about the onli

18、ne databases?Has a comment about the online databases been made by anyone?P 30 2Find out the differences in meaning and function between active and passive forms.In an active sentences,a subject is doing an action to an object.In a passive sentence the subject is having something done to it,and what

19、 is doing that action is not necessarily mentioned.In other words,the object in an active sentence becomes the subject in a passive sentence.Something is“active”if it is doing something.Something is“passive”if it is having something done to it.2.Read the poem.Then think of your own situation and wri

20、te a similar poem.A possible version:Look at the way the picture has been paintedListen to the way the song has been writtenLook at the way the film has been madeNow think about what you could create.Look at the way the needy have been helpedLook at the way the river has been cleanedLook at the way

21、the tree has been plantedNow think how to make the world a better place.现在完成时的被动语态现在完成时的被动语态肯定句肯定句：主语主语 +have/has+been+v-ed+其他其他.否定句否定句：主语主语 +have/has+not+been+v-ed+其他其他.一般疑问句一般疑问句:Have/Has+主语主语+been+v-ed+其他其他?特殊疑问句特殊疑问句:提问主语提问主语：特殊疑问词特殊疑问词+have/has+been+v-ed+其他其他?提问其他提问其他：特殊疑问词特殊疑问词+一般疑问句一般疑问句?I.Fi

22、ll in the blanks according to the given information.1.We wont start the work until all the preparations _(make).2.ShakespearesplayHamlet_ (make)into at least ten different films over the past years.3.In the last few years thousands of films _(produce)all over the world.4.Many buildings _(build)since

23、 1980.have been made has been madehave been produced have been built II.Change the sentences into the present perfect passive voice.1.My father has repaired the TV set.2.The teacher has borrowed the bicycle.3.They have asked him some questions.The TV set has been repaired by my father.The bycicle has been borrowed by the teacher.He has been asked some questions by them.Self-evaluationSelf-evaluationCan you use the present perfect passive voice correctly?各个击破 Do the exercises in Learning English.Homework