Unit 3 The Internet (ppt课件)-2022新人教版(2019)《高中英语》必修第二册.pptx

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1、必修二 Unit 3 The Internet(3)高一年级 英语Discovering Useful StructuresThe present perfect passive voiceLearning objectivesAt this class,you will be able to1.identify and outline verb form of the present perfect passive voice;2.define the usage of the present perfect passive voice in context;3.use the presen

2、t perfect passive voice to describe something that has been done.Review1.Has the Internet simply made our life more convenient?No.The Internet has done much more for people than simply make life more convenient.2.Whats the effect of the Internet on Jans life?Jans life has been greatly improved by th

3、e Internet.Review3.Do you think Jans IT club is helpful?Yes.Because many people have been helped by the club.4.How has the 61-year-old woman benefited from Jans club?Her company has become quite successful.Observe sentencesThe Internet has done much more for people than simply make life more conveni

4、ent.Jans life has been greatly improved by the Internet.Many people have been helped by the club.Her company has become quite successful.Compare verb formsThe Internet has done much more for people than simply make life more convenient.Her company has become quite successful.Jans life has been great

5、ly improved by the Internet.Many people have been helped by the club.ReviewThe Internet has done much more for people than simply make life more convenient.Her company has become quite successful.The Present Perfect Tense have/has+v-edReviewThe Present Perfect Tense:have/has+v-ed1.一个动作或状态开始于过去,持续到现在

6、(也许还将持续下去)。常与以下时间状语连用:since+时间点,for+时间段,in the last/past few days/years,up to now,so far,recently等。My English teacher has lived in Beijing for 8 years.In the past few years,great changes have happened in my hometown.ReviewThe Present Perfect Tense:have/has+v-ed2.一个动作发生在过去,已经完成并与现在的情况有关联。常与以下时间状语连用:a

7、lready,just,yet等。He has just turned off the light.(The light is off now.)I have already seen the film.(I know the film now.)Compare verb formsThe Internet has done much more for people than simply make life more convenient.Her company has become quite successful.Jans life has been greatly improved b

8、y the Internet.Many people have been helped by the club.Find the form Jans life has been greatly improved by the Internet.Many people have been helped by the club.The Present Perfect Passive Voice have/has been+v-edCompare meanings Jans life has been greatly improved by the Internet.Many people have

9、 been helped by Jans club.“已经被了”The Internet has greatly improved Jans life.Jans club has helped many people.“已经了”activepassiveFind moreMuch has been written about the wonders of the World Wide Web.Peoples lives have been changed by online communities and social networks.Jan has started taking onlin

10、e classes to learn more about how to use the Internet to make society better.activepassiveFind more The machine has been used for 5 years.The room has been painted.The dirty clothes have been washed.Find more The machine has been used for 5 years.The room has been painted.The dirty clothes have been

11、 washed.SummaryThe Present Perfect Passive Voicehave/has been+v-ed “已经被了”The machine has been used for 5 years.The room has not been painted yet.Have the dirty clothes been washed?Find moreSummaryThe Present Perfect Passive Voice肯定式have/has been+v-ed 否定式have/has not been+v-ed疑问式have/has+主语+been+v-ed

12、FunctionThe Present Perfect Passive VoiceThe Present Perfect TenseThe Passive VoiceFunctionThe Present Perfect Tense1.一个动作或状态开始于过去,持续到现在(也许还将持续下去)。2.一个动作发生在过去,已经完成并与现在的情况有关联。FunctionThe Passive Voice1.不知道谁是动作的执行者,或没有必要指明谁是动作的执行者。The window is dirty.It hasnt been cleaned for weeks.I have been invited

13、 to the wedding.My wallet has been stolen.FunctionThe Passive Voice2.需要强调或突出动作的承受者或事件本身。Jans life has been greatly changed by the Internet.Measures have been taken to protect the environment.1.一个动作或状态开始于过去,持续到现在。2.一个动作发生在过去,已经完成并与现在的情况有关联。The Present Perfect Passive Voice1.不知道谁是动作的执行者或没有必要指明谁是动作的执行者

14、。2.需要强调或突出动作的承受者或事件本身。Practice IComplete the sentences with the present perfect passive voice of the given verbs.(Page74 Ex.1)1.A:Why cant I access my account?B:your personal information (update)?2.Both learning sites (visit)by over 10,000 people since last year.Practice I3.This keyboard (not use)fo

15、r a long time.4.Can you tell me what (do)to bridge the digital divide?5.In the past year I (inspire)to buy e-books instead of paper books.Practice I6.A:Where can I read those comments?B:Online.They (post)already.7.It seems that more health problems (cause)by mobile phones.8.That app (delete)from my

16、smartphone already.Practice IComplete the sentences with the present perfect passive voice of the given verbs.(Page74 Ex.1)1.A:Why cant I access my account?B:Has your personal information been updated?2.Both learning sites have been visited by over 10,000 people since last year.Practice I3.This keyb

17、oard has not been used for a long time.4.Can you tell me what has been done to bridge the digital divide?5.In the past year I have been inspired to buy e-books instead of paper books.Practice I6.A:Where can I read those comments?B:Online.They have been posted already.7.It seems that more health prob

18、lems have been caused by mobile phones.8.That app has been deleted from my smartphone already.ThinkingWhy is the present perfect passive voice used in these sentences?Summary2.Both learning sites have been visited by over 10,000 people since last year.3.This keyboard has not been used for a long tim

19、e.5.In the past year I have been inspired to buy e-books instead of paper books.6.They have been posted already.8.That app has been deleted already.passiveSummary1.A:Why cant I access my account?B:Has your personal information been updated?4.Can you tell me what has been done to bridge the digital d

20、ivide?7.It seems that more health problems have been caused by mobile phones.passivePractice II Change the sentences into the present perfect passive voice.(Page30 Ex.2)EXAMPLE Theyve built a kind of new PC with more functions.A kind of new PC has been built with more functions.Practice II1.I have d

21、ownloaded the software to help my phone battery last longer.2.Someone has lost an identity card.3.Have you confirmed the Wi-Fi password?4.Have you pressed the button yet to copy the file?5.Has anyone made a comment about the online database?Practice II1.I have downloaded the software to help my phon

22、e battery last longer.The software has been downloaded to help my phone battery last longer.2.Someone has lost an identity card.An identity card has been lost.Practice II3.Have you confirmed the Wi-Fi password?Has the Wi-Fi password been confirmed?4.Have you pressed the button yet to copy the file?H

23、as the button been pressed yet to copy the file?5.Has anyone made a comment about the online database?Has a/any comment been made about the online database?Thinking1.Can every verb be made passive?2.When do we use the passive voice?Summary1.I have downloaded the software to help my phone battery las

24、t longer.2.Someone has lost an identity card.3.Have you confirmed the Wi-Fi password?4.Have you pressed the button yet to copy the file?5.Has anyone made a comment about the online database?Vt.+objectSummary1.不知道谁是动作的执行者,或没有必要指明谁是动作的执行者。(2.An identity card has been lost.)2.需要强调或突出动作的承受者或事件本身。(3.Has

25、the button been pressed yet to copy the file?)(4.Has the Wi-Fi password been confirmed?)Practice IIIFind and correct the mistake in each sentence.(Page74 Ex.2)EXAMPLE This app was used several times since I downloaded it.has been usedPractice III1.How much money has spent on the earthquake recovery?

26、2.The girl is really upset because her new bicycle has stolen.3.These old houses have been built in the 18th century.4.Its a pity that the letter has never sent to his father.5.Little had been seen of them since they moved into the house down the street.Practice III1.How much money has spent on the

27、earthquake recovery?has been spent2.The girl is really upset because her new bicycle has stolen.has been stolen3.These old houses have been built in the 18th century.were built Practice III4.Its a pity that the letter has never sent to his father.has never been sent5.Little had been seen of them sin

28、ce they moved into the has house down the street.Task IRead the newspaper headlines.Change them into complete sentences as the example.(Page75 Ex.3)EXAMPLEE-library on School Websitefor StudentsAn e-library for students has been set up on the school website.Task I1.Boys Video Streamed over Two Milli

29、on Times2.5 Records Broken Today3.Intelligent Search Engine Designed for Teenagers4.Theft of Large Amount of Cash from Small Bank5.STUDENTS:30%Discount on Smartphones6.Government Done Much to Stop CyberbulliesTask I1.Boys Video Streamed over Two Million TimesA boys video has been streamed over two m

30、illion times.2.5 Records Broken TodayFive records have been broken today.3.Intelligent Search Engine Designed for TeenagersAn intelligent search engine has been designed for teenagers.Task I4.Theft of Large Amount of Cash from Small BankA large amount of cash has been stolen from a small bank.5.STUD

31、ENTS:30%Discount on SmartphonesA 30%discount has been offered/given on smartphones to students.6.Government Done Much to Stop CyberbulliesMuch has been done by the government to stop cyberbullies.SummaryThe present perfect passive voice is common in news report or broadcasting.1.As the present perfe

32、ct tense expresses relevance to the present,news broadcasts and reports often use it to introduce a story.2.The passive voice is often used in formal English to focus on the issues rather than on the people involved.Task IIComplete the notice with the correct forms of the verbs in brackets.(Page75 E

33、x.4)Notice to parentsDear Parents,We hope you will welcome this news.No.8 Senior High SchoolTask IINotice to parentsDear Parents,We hope you will welcome this news.Almost 100 computers (give)to us by a local computer company since the end of last year.A decision (make)to begin a computer teaching ex

34、periment at our school.Task IIOur plan (support)with technical equipment and advice which (provide)by the City Information Centre.Every teacher (provide)with a laptop since the beginning of this term.More recently,most of our courses (teach)using computers.We (help)in our teachingTask IIby a lot of

35、information from the Internet.Also,a new computer room (set up)in our school.We hope you will be happy with this exciting new development in our school.No.8 Senior High SchoolTask IINotice to parentsDear Parents,We hope you will welcome this news.Almost 100 computers have been given to us by a local

36、 computer company since the end of last year.A decision has been made to begin a computer teaching experiment at our school.Task IIOur plan has been supported with technical equipment and advice which has been provided by the City Information Centre.Every teacher has been provided with a laptop sinc

37、e the beginning of this term.More recently,most of our courses have been taught using computers.We have been helped in our teachingTask IIby a lot of information from the Internet.Also,a new computer room has been set up in our school.We hope you will be happy with this exciting new development in o

38、ur school.No.8 Senior High SchoolSummaryThe present perfect passive voice can be used in formal English,just like this notice,to focus on the issues rather than on the people involved.Task IIIBelow,a headmaster is making a speech.Help him complete it.(Page75 Ex.6)NamePrize forWang Xiaodingbest in sc

39、ienceWu Leitop scores all yearZhang Hongmost well-behaved student in the classLi Li excellent class monitorTask IIIHi,everyone!The prizes this year have been awarded to four students for their outstanding work.It (decide)that the Best in Science prize will go to Wang Xiaoding.Wu Lei (award)the prize

40、 for getting the highest scores in the tests all year.She deserves this prize for all her hard work.Li Li (name)Task IIIHi,everyone!The prizes this year have been awarded to four students for their outstanding work.It has been decided that the Best in Science prize will go to Wang Xiaoding.Wu Lei ha

41、s been awarded the prize for getting the highest scores in the tests all year.She deserves this prize for all her hard work.Task IIILi Li has been named as the most excellent class monitor,and Zhang Hong has been given the title of most well-behaved student in the class.Well done everyone!Writing ta

42、skThink about what you have done this week.Write as many things as you can.What has been finishedMy room has been cleaned.What has notbeen finishedMy diary has not beenwritten.Writing taskWhat has not been finishedMy homework has not been finished.The birthday cake has not been made.What has been fi

43、nishedMy room has been cleaned.The dog has been walked.The gift for my friend has been bought.SummaryThe Present Perfect Passive Voice肯定式have/has been+v-ed 否定式have/has not been+v-ed疑问式have/has+主语+been+v-ed1.一个动作或状态开始于过去,持续到现在。2.一个动作发生在过去,已经完成并与现在的情况有关联。The Present Perfect Passive Voice1.不知道谁是动作的执行者或没有必要指明谁是动作的执行者。2.需要强调或突出动作的承受者或事件本身。Thank You!

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