2013年九年级英语上册 Module 4 Great Inventions Unit 3 Language in use课件 外研版.ppt

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1、Unit 3 Unit 3 Language in useLanguage in use Language practicePaper and printing have been used for ages.The battery hasnt been changed for a couple of months.Has it been published yet?现在完成时的被动语态现在完成时的被动语态:have/has(not)been+过去分词过去分词Information can be kept on CD-ROMs.Books could only be produced one

2、at a time.Can books be replaced by computers?情态动词的被动语态情态动词的被动语态:情态动词情态动词(not)+be+过去分词过去分词一般现在时一般现在时 amisare+动词的过动词的过去分词去分词一般过去时一般过去时 waswere+动词的过去动词的过去分词分词情态动词情态动词 aux.v.(mustcancouldmay +be+动词的过去分词动词的过去分词被动语态的构成被动语态的构成:be+动词的过去分词动词的过去分词现在进行时现在进行时 be(am、is、are)+being+动词的过去分词动词的过去分词一般将来时一般将来时 will be

3、be going to be+动词的过去分词动词的过去分词现在完成时现在完成时 havehas+been+动词的过去分词动词的过去分词时态时态被动语态结构被动语态结构一般现在时一般现在时一般过去时一般过去时现在进行时现在进行时过去进行时过去进行时am/is/are+donewas/were+doneam/is/are being+donewas/were being+done一般将来时一般将来时过去将来时过去将来时现在完成时现在完成时过去完成时过去完成时shall/will be+donewould be+donehave/has been+donehad been+done如如:give b

4、e given to此类动词还有此类动词还有:pass show send再如再如:buybe bought for此类动词此类动词还有还有:make draw cook mend5.一些动词不定式在主动语态中省略一些动词不定式在主动语态中省略to作宾语补足语作宾语补足语,改成被动语态时改成被动语态时,to必必须还原须还原。注注:1.不及物动词（不及物动词（vi.)不用被动语态不用被动语态。如如:happen、take place、appear、disappear1.My uncle gave me a gift on my birthday.2.We often hear him play

5、the guitarI was given a gift on my birthday.A gift was given to me on my birthday.He is often heard to play the guitar几种特殊结构几种特殊结构注意注意:see,watch,hear,notice,feel,make,listen to,look at等动词等动词/短短语后作宾语补语的不定式都不带语后作宾语补语的不定式都不带to;但改成被动语态后必须带但改成被动语态后必须带to。A recorder is used in our English class every day.L

6、ets practice!recorderEnglish classuse foroften playFootball is played all over the world.A camera is used for taking photos.rob yesterdaysend uplast yearA man-made satellite was sent up into space last year.A bank was robbed yesterday.must plantcover within a few years timeThe trees must be planted

7、on the ground.The ground will be covered with trees in a few years time.send to right nowa tall give soonThey will be sent to the hospital right now.A talk will be given soon.digThe earth is being dug now.eat up alreadyThe food has been eaten up already.ExercisesComplete the sentences with the corre

8、ct form of the words.1.I think one day books may _(place)by computers.2.My bike _(leave)at school,so I have to take the bus to school today.3.The battery _(charge)yet.How can I use my recorder?was lefthasnt been chargedbe placed4.Paper should not _(throw)away.5.Books and CDs can _(borrow)from the li

9、brary.6.Ive bought an MP3 playerand about 1,000 songs have _(download)onto it!be borrowedbe thrownbeen downloaded7.Has the pen _(mend)yet?I need to write my article with it.8.What have _(turn on)?The radio?been turned onbeen mended1.What/use/to make paper since the 19th century?What has been used to

10、 make paper since the 19th century?a)Wood b)Silk c)CottonComplete the quiz questions and choose the correct answer.2.Where/the story of Romeo and Juliet/set?Where is the story of Romeo and Juliet set?a)In New York b)In Athens c)In London3.where/the worlds oldest paper/discover?Where was the worlds o

11、ldest paper discovered?a)In India b)In China c)In Egypt4.How long/computers/use?How long have computers been used?a)For less than 50 years.b)For 50 years c)For more than 50 yearsMake questions and write answers.What/shouldnt/do/with batteries?(throw away)-What shouldnt be done with batteries?-They s

12、houldnt be thrown away.1.what/can/use/to make paper?(many things)What can be used to make paper?Many things can be used(to makepaper).2.what/might/use/to replace books one day?(computers)What might be used to replace books one day?Computers might be used(to replace books one day).3.where/can/music/k

13、eep?(on MP3 players)Where can music be kept?It can be kept on MP3 players.Complete the passage with the correct form of the words.From about 500 BC,pens _ for writing.The feathers of large birds _ and dried.The point of each feather was sharpened.call,clean,develop,introduce,invent,produce,spread,us

14、e,writewere usedwere cleanedThen people used them to write with ink.Many famous works,such as Shakespeares plays,_ with these pens.Then in the 18th century,a pen with a steel writing point _.Only a few words could _,however,before the writer had to fill the pen with ink again.were writtenwas invente

15、dbe producedMany years later,the fountain pen _ from these early pens.In 1950,a European invented the ballpoint pen.The popularity of writing _ quickly with the _ of the ballpoint pen.Even today,ballpoint pen are much less expensive,compared with fountain pens.spreadwas developedintroductionWork in

16、pairs.Listen and say where the speaker is.Give reasons for your answer.a)In a library.b)In the British Library.c)In the British Museum.Listen again and answer the questions.1.Why did it take a long time to produce a book in ancient times?Because each one was written by hand.2.Why do many old books h

17、ave to be kept away from the public?Because they have to be kept safely away from danger.3.How has the invention of the computer helped to make these books easier for people to read?The ancient books are downloaded onto a computer so everyone can read them.4.How can the pages of a book on a computer

18、 be turned?By pressing a button.Complete the sentences with the phrases in the box.1.Could you imagine a digital image of Yao Ming on the wall _ a poster?rather thanby hand,for ages,from now on,rather than 2.Things made _ are usually more expensive than those produced in factories.3.I havent seen my

19、 best friend _!4.Were using too much paper._,Im going to read all my magazines online.by handFrom now onfor ages请阅读请阅读Around the world部分的部分的“E-book”，选择最佳答案。，选择最佳答案。()1.E-books were invented_.A.in 1990 B.for ten years C.in the 1990s D.twenty years agoC()2.Which of the following is NOT mentioned in th

20、e passage?A.If you have an e-book,you can write on it.B.We should buy more e-books to save paper.C.E-books will be more convenient.D.Maybe there will be more e-books in the future.B()3.Though e-books are far more advanced than paper books,not many people buy them because _.A.theyre hard for people t

21、o use B.theyre not as cheap as paper books C.there arent enough e-books D.people dont know where to buy themB()4.The most advanced e-book today is about _kg.A.0.18 B.0.12 C.0.02D.0.62()5.What will the future e-books be like?A.They will be more popular.B.They will be like paper books.C.They will be m

22、ore expensive.D.They will be thicker.DAModule task:Discussing how to improve inventions巩固练习巩固练习I.请根据汉语意思请根据汉语意思,完成句子完成句子(每空一词每空一词)。1.从现在起我要开始写书了。从现在起我要开始写书了。_,I will begin to write my book.2.你的衬衫真好看你的衬衫真好看,是棉的吧？是棉的吧？Your shirt looks nice.Is it _ cotton?From now onmade from3.那天下大雨那天下大雨,所以我们不得不呆在家所以我们

23、不得不呆在家里。里。It rained heavily that day._,we had to stay at home.4.你们一次只允许借三本书。你们一次只允许借三本书。You are allowed to _ three books _.As a resultborrowat a time5.我想有一天我会成为一名教师的。我想有一天我会成为一名教师的。I think I will be a teacher _.6.我还没收到你的信。我还没收到你的信。I haven t _ your letter.one dayreceivedII.请根据题后要求完成下列句子请根据题后要求完成下列句子(

24、每空每空一词，含缩写一词，含缩写)。1.Can Mr.Lee mend your computer?(改为被动语态改为被动语态)_ your computer _ by Mr.Lee?be mendedCan2.Your sister should be sent to hospital at once.(改为主动语态改为主动语态)You _ your sister to hospital at once.3.We have published a new book.(改为改为被动语态被动语态)A new book _by us.should sendhas been published4.My mobile phone hasn t been lent to Li Ming by me.(改为主动语态改为主动语态)I _ my mobile phone to Li Ming.haven t lent