北师大版选修8Unit 22 Environmental Protection Grammar-the passive（共59张PPT）

课件59张PPT。The PassiveobjectivesTo use the passive voice correctly语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语言规则和语法规律。 One of their most spectacular projects was called Surrounded Islands.
Eleven islands on the coast near Miami were surrounded by over six thousand square metres of pink plastic.
Many people thought that permission wouldn’t be given, and some thought the project should never have been allowed.Have A L k4. when the wrapping of the Reichstag in golden fabric had finally been completed, the glowing building received international acclaim.
5. Two or three new projects are currently being developed by Christo and his team.
6. One of them is in Colorado in the USA where the Arkansas River will be covered by 10 kilometres of luminous fabric.7. The fabric is going to be suspended above the river so that the work of art can be seen from both above and below.
8. Thousands of people will be needed to complete this feat of engineering.
9. Christo manages to do all this without being given any money--- his projects are financed completely by the sale of his drawings.10. Christo’s works of art are dismantled after only two or three weeks, but hundreds of visitors manage to see them.
11. When The Reichstag was being displayed it attracted huge numbers of visitors from around the world.
12. However, his work still tends to be criticised.to test your sense of observation
to test your ability of short-term memory
to test your ability to highlight the language pointsGuessing Game One of their most spectacular projects ___ _____(call) Surrounded Islands.
Eleven islands on the coast near Miami _______________(surround) by over six thousand square metres of pink plastic.
Many people thought that permission wouldn’t ________(give), and some thought the project should never ___________(allow).Fill in the blankswascalledwere surroundedbe givenbe allowed4. when the wrapping of the Reichstag in golden fabric had finally _____________(complete), the glowing building received international acclaim.
5. Two or three new projects are currently ______________(develop) by Christo and his team.
6. One of them is in Colorado in the USA where the Arkansas River will _________ (cover) by 10 kilometres of luminous fabric.been completedbeing developedbe covered7. The fabric is going to ____________ (suspend) above the river so that the work of art can be seen from both above and below.
8. Thousands of people will _________(need) to complete this feat of engineering.
9. Christo manages to do all this without being given any money--- his projects ___________(fiance) completely by the sale of his drawings.be suspendedare fiancedbe needed10. Christo’s works of art ______________ (dismantle) after only two or three weeks, but hundreds of visitors manage to see them.
11. When The Reichstag was ___________ (display) it attracted huge numbers of visitors from around the world.
12. However, his work still tends to ____________(criticise).are dismantledbeing displayedbe criticisedPractise1. Experiments of this kind in both the U.S. and Europe well before the Second World War.
have conducted
B. have been conducted
C. had conducted
D. had been conducted2. In the last few years thousands of films ________ all over the world.
A.have produced B. have been produced C. are producing D. are being produced3. A lot of people often forget that oral exams to test our communicative ability.
A. design B. are designed
C. are designing D. are being designed4. Linda make sure the table ________before the guests arrive
be set B. set
C. are set D. are setting5. The church tower which ________will be open to tourists soon. The work is almost finished.
A. has restored B. has been restored C. is restoring D. is being restored以上我们已经通过归纳总结和练习对本课语法有了一定的了解，下面就让我们根据之前练习
的考察情况进一步
选择讲解该语法项
的重难点。When do we use the passive voice?The timetable has been changed.1. 不知道或没必要指出动作的执行者。All these projects have been managed by the Bulgarian artist Christo.2. 要特别关注动作执行者。His projects are financed by the sale of his drawings through galleries and the Internet.3. 避免句子主语太长时。Summary1) The subject of the passive voice is
the ______ of the active voice. object2) The general structure of the passive
voice is: subject + __ +_____. be done3) All the verbs in the examples are
________ verbs. transitiveBut not all
transitive verbs
can be used
in the passive
voice有些动词常用主动形式, 如：open, write, read, sell, wash, measure等。Your article reads well.This type of car sells well in China.This hall measures 100 metres long and 60 metres wide.特别注意It is said that …
It is reported that …
It is hoped that …
It is well known that …
It is believed that …
It must be pointed out that …2. 在一些固定句型中常用被动语态。 如：It is reported that another man-made satellite
will be sent up into space next month.Another man-made satellite is reported to be
sent up into space next month. 据报道，下个月又一颗人造卫星将会被发射。The three missing sailors are believed to have drowned.It is believed that the three missing sailors
have drowned.人们认为这三个失踪的海员已经淹死了。 It is said that Li Ping will study abroad.Li Ping is said to study abroad. It is said that Li Ping is studying abroad.Li Ping is said to be studying abroad.Li Ping is said to have studied abroad. Li Ping is said to have been studying abroad. It is said that Li Ping studied abroad.It is said that Li Ping has been studying abroad.不同时态中的被动语态be+ done
一般现在时 am/is/are现在进行时am/is/are+beinghave/has+been现在完成时shall/will+be一般将来时be+ done was/were 一般过去时 was/were+being过去进行时had+been过去完成时过去将来时would+be除了动词时态的被动形态外，还有其他被动形式：一、不定式的被动形式
基本形式：to be + 过去分词当不定式与其逻辑主语之间是被动关系时，要用不定式的被动式。
(1) 作主语
It is an honour for me to be asked
to speak here.
(2) 作宾语
She asked to be sent to work in
Xinjiang.(3) 构成复合宾语
He wanted the letter to be typed at
once.
She didn’t like herself to be praised
like that.
(4) 构成复合谓语
The books are not allowed to be taken
out of the room.(5) 作定语
Are you going to the meeting to be held
in the teachers’ office?
(6) 作状语
She was too young to be assigned such
work.???? 当动词-ing形式与其逻辑主语之间是被动关系时，要用动词-ing的被动式。
???? 动词-ing形式的被动语态在句中可以作主语、宾语、定语、状语。二、动词-ing形式的被动式基本形式: being + 动词过去分词 Being killed by sharks in the sea
is a common thing.1) 用作主语He was afraid of being scolded by
the teacher.
I remember having been told the story.??2)用作宾语The problem being discussed now is very important.
The house being built will be our library upon its completion. 3)用作定语Being asked to answer the question, she couldn’t refuse.
Having been given such a good chance, how would you not value it at all?3)用作状语Review1) 不同时态中被动语态的形式
2) 不定式的被动式由“to + be + 动词的过去分词”构成。当不定式与其逻辑主语之间是被动关系时，要用不定式的被动式。
3）动词-ing形式的被动式由“being + 动词的过去分词”构成。注：另附word文档，点此链接1. He ___ as a national hero for winning
the first gold medal for his country in
the Olympics. (2008重庆)
A. regarded B. was regarded
C. has regarded D. had been regarded
2. — Do you have any problems if you
___ this job?
— Well, I’m thinking about the salary.
(2008湖南)
A. offer B. will offer
C. are offered D. will be offered3. — Why don’t we choose that road to
save time?
— The bridge to it __________.
(2009四川)
A. has repaired B. is repaired
C. is being repaired D. will be repaired 4. After getting lost in a storm, a member of the navy team ______ four days later.（2011上海）
rescued B. was rescued
C. has rescued D. had been rescued5. Would you please keep silent? The
weather report _______ and I want
to listen. (2009湖南)
A. is broadcast
B. is being broadcast
C. has been broadcast
D. had been broadcast6. — Hi, Terry, can I use your
computer for a while this afternoon?
　 — Sorry. _______. (2009江苏)
　 A. It’s repaired
B. It has been repaired　
C. It’s being repaired
D. It had been repaired 7. In the spoken English of some areas
in the US, the “r” sounds at the end of
the words _____. (2010北京)
A. are dropped B. drop
C. are being dropped
D. have dropped
8. This coastal area _______ a national
wildlife reserve last year. (2010湖南)
A. was named B. named
C. is named D. names9. The discovery of gold in Australia led
thousands to believe that a fortune
_______. (2010全国I)
A. is made B. would make
C. was to be made D. had made
10. Linda, make sure the tables ______
before the guests arrive. (2010全国II)
A. be set B. set
C. are set D. are setting 11. Every year a flood of farmers arrive
in Shenzhen for the money-making
jobs they ________ before leaving
their hometowns. (2010福建)
A. promised B. were promised
C. have promised D. have been promised12. All visitors to this village _________ with kindness.(2011 江西）
A. treat B. are treated
C. are treating D. had been treated 13. Experiments of this kind ______ in both the U.S. and Europe well before the Second World War.(2011全国）have conducted
B. have been conducted
C. had conducted
D. had been conducted14. In the last few years thousands of films _______all over the word.（2011天津）
A. have produced B. have been produced
C. are producing D. are being produced15. Born into a family with three brothers, David was to value the sense of sharing.（2011全国）
A. brought up B. turned down
C. looked after D. held back16. The manager ___ the workers how to improve the program since 9 a.m.
（2012全国卷II）
has told B. is telling
C. has been telling D. will have told17. In order to find the missing child , villagers all they can over the past five hours.（2012安徽）
did B. do
C. had done D. have been doing18. After school we went to the reading-room to do some reading, only to be told that it . （2012安徽）
was decorated
B. had decorated
C. had been decorating
D. was being decorated 19. Shakespeare’s play Hamlet into at least ten different films over the past years. （2013北京）
had been made B. was made
C. has been made D. would be made
20. The famous musician, as well as his students, to perform at the opening ceremony of the 2012 Taipei Flower Expo. （2013福建）
were invited B. was invited
C. have been invited D. has been invited 21. —The town is so beautiful! I just love it.
—Me too. The character of the town is well . （2013江苏）
A. qualified B. preserved
C. decorated D. simplified
22. Shortly after suffering from a massive earthquake and to ruins, the city took on a new look. （2013江苏）
reducing B. reduced
C. being reduced D. having reduced
23. If ______ to look after luggage for someone else, inform the police at once. （2013江西）
A. asked B. to ask
C. asking D. having asked
24. We are confident that the environment _______ by our further efforts to reduce pollution. （2013辽宁）
had been improved
B. will be improved
C. is improved
D. was improvedII.Fill in the blanks with the correct forms of the words given. One of their most spectacular projects _________(call) Surrounded Islands. Another project was wrapping up the German Parliament building. When the wrapping of the Reichstag in golden fabric _____ finally _____________(complete), the glowing building received international acclaim.
was calledhadbeen completed Two or three new projects _____ currently _______________(develop) by Christo and his team. Thousands of people ______________(need) to complete the engineering. Christo manages to do all this without ____________(give) any money--- his projects ___________(fiance) completely by the sale of his drawings through galleries and over the internet.
arebeing developedwill be neededbeing givenare financedChristo’s works of art _____________ (dismantle) after only two or three weeks, but hundreds of visitors manage to see them. are dismantled1. 他到学校的时候，第一节课已经上完了。
By the time he got to the school, the
first period ________________.
2. 老师进来之前教室已经打扫干净了。
The classroom __________________
before the teacher came.
3. 这个建筑我六岁就建好了。
The?building ____________ when I was 6.had been finishedhadn’t been cleaned汉译英had been built4. 截止飓风结束多少房子被毁了？
How many buildings
_________________ when the
hurricane ended?
5. 会前已经讨论了新计划吗？
____ the new plan _____________
before the meeting?
6. 他们说生产成本已经降低。
They said the production costs
_______________.had been destroyedHad been discussedhad been reducedHomeworkDo the exercises on P94.Thank you!