现在完成时被动语态00793.pptx

《现在完成时被动语态00793.pptx》由会员分享，可在线阅读，更多相关《现在完成时被动语态00793.pptx（29页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、 1 help helped helpedV原形 过去式 过去分词 2 change changed changed 3 study studied studied 4 plan planned planned beg begged begged stop stopped stopped5 give gave given动词的过去式和动词的过去式和过去分词规则过去分词规则：1+ed2e+d3yi+ed4重读闭音节，重读闭音节，末尾只有一个末尾只有一个辅音字母，双辅音字母，双写辅音字母写辅音字母+ed动词的过去式和动词的过去式和过去分不规则过去分不规则 复习：写出下列动词的过去式和过去分词 he

2、lp change study plan beg stop give 5第1页/共29页 This song _ often _(sing)by childrenThese books _ often _(borrow)by girls.1 一般现在时(simple present tense)的被动语态：S(主语）+am/is/are +done (过去分词)The sports meeting _ _(hold)in our city last year.2一般过去时(simple past tense)的被动语态：S+was/were +done (过去分词)is sungare bor

3、rowedwasheld复习各时态（tense)的被动语态(passivevoice)：第2页/共29页Many buildings _(build)in my hometown in the future.4一般将来时(future tense)的被动语态：S+willbe+donewillbebuilt复习各时态（tense)的被动语态(passivevoice)：第3页/共29页u现在完成时(present perfect tense)的被动语态：S+have/has+been+done(过去分词)1 Over time I have been changed quite a lot.2

4、 First as a PC and then as a laptop I have been used in offices and homes since the 1970s.3 I never forget anything I have been told!4 Since the 1970s many new applications have been found for me.5 I have also been put into robots and used to make mobile phones6 I have even been put into space rocke

5、ts and sent to explore the Moon and Mars.Discovering useful structures from the passage on p18:第4页/共29页u现在完成时的被动语态：the present perfect passive voiceS +have/has been+done(过去分词)第5页/共29页现在完成时的被动语态表达以下两个概念：1.说话时已经完成的动作或出现的结果，2.主语是行为动作的承受者。在使用现在完成时的被动语态时要注意以下两点：1.过去分词前有两个助动词have/has和been。2.必须表示被动。I have

6、been told about it many timesThe bridge has just been built第6页/共29页1.现在完成时被动语态肯定句句型：主语+have/has been+过去分词 Her bike has been stolen.2.现在完成时被动语态否定句句型：主语+have/has+not+been+过去分词 The task has not been finished yet.Many skilled workers have not been trained in the company.The presentperfectpassivevoice(肯定

7、句、否定句:第7页/共29页3.现在完成时被动语态一般疑问句句型：Have/Has +主语+been+过去分词.?Has a new computer been bought?Have they been sent abroad to study English?4.现在完成时被动 语态特殊疑问句句型：疑问词+have/has+主语+been+过去分词.?Where has the car been repaired?Who have been helped by the new computer?How many buildings have been built in this schoo

8、l?The presentperfectpassivevoice(疑问句）:第8页/共29页Workers have built the house since two years ago.since two years ago.since two years ago.Exercise 1:Change the sentences into the present perfect passive voice动作的执行者动作的承受者谓语动词The houseThe househashas beenbeen built built byworkers第9页/共29页1 We have receiv

9、ed many letters since last week.Many letters have been received(by us)since last week.Change the sentences into the present perfect passive voice第10页/共29页2 My friend has bought a new personal computer.A new personal computer has been bought by my friend.3 The shop has repaired my computer very quick

10、ly.My computer has been repaired by the shop very quickly.Change the sentences into the present perfect passive voice第11页/共29页The buildings,destroy,earthquake The buildings have been destroyedbythe earthquake.Exercise 2:Making up sentences using presentperfectpassivevoice:第12页/共29页machinereplacecomp

11、uter1The machine has been replaced by the computer.Making up sentences using presentperfectpassivevoice:第13页/共29页newbridge,build,inourcity 2 A new bridge has been built in our city.第14页/共29页many trees,plant,along the road3Manytreeshavebeenplantedalongtheroad第15页/共29页4 My computer,just attack,an unkn

12、own virus.5 the problem,not,solve,we,yet6 the computers,give away,to,a local school,the companyMy computer has just been attacked by an unknown virus.The problem has not been solved by us yet.The computers have been given away to a local school by the company.7 A kind of intelligent robot,develop,th

13、e scientistsA kind of intelligent robot has been developed by the scientists.Make up the sentences using the present perfect passive voice.第16页/共29页Put the Chinese into English to complete the sentences.1.How many workers _ (send派遣)to build the railway?2.Why does Mary look so unhappy?She _(laugh at

14、嘲笑)by her classmates.have been senthas been laughed atExercise3:第17页/共29页3.It is said that the house _ _(闯进了)by two thieves.4.The two pens _ (未被拿走)by him.5.Where _ the television _(已经修理了)?6.The price of a color TV set _ _(降价了)again.7.What _(已被译成)into many foreign languages?have not been taken awayha

15、sbeen repairedbroken intohas beenhas been brought downhas been translated第18页/共29页 1.The floor in our classroom_(mop)every day2 Many accidents _(cause)by careless driving.3.I _(ask)to clean my room on Monday.4 We _(take)to that hospital by a taxi.5 A new coat _(buy)for me by my mother last week.6.Ch

16、inas first television station _(set up)by the workers in 1958 completethesentencesusingwordsgivenwithcorrectforms.ismoppedarecausedamaskedweretakenwasboughtwassetup第19页/共29页7 He _ (recognize)as soon as he arrives at this city8All those old buildings _(knock down)tomorrow.9A new village for the athle

17、tes and all the stadiums _(build)to the east of London.10.Do you know the thief _(catch)by the police?hasbeencaughtwillbeknockeddownwill be recognizedwill be builtcompletethesentencesusingwordsgivenwithcorrectforms.第20页/共29页 1 现在完成时的被动语态S+have/has been+done(过去分词)2 一般现在时的被动语态：S+am/is/are +done (过去分词)

18、3一般过去时 的被动语态：S+was/were +done (过去分词)4 一般将来时的被动语态 S +will be +done总结第21页/共29页Learningaboutlanguage第22页/共29页Fill the word or expression for each of the following meanings from the text.1 _ complete change in ways of thinking,working,etc2 _ connected computer system3 _ to make things easierrevolutionne

19、tworksimplify第23页/共29页4 _ to find the answer using numbers5 _able to be moved easily from place to place6 _ to work out the answer to a problem7 _to travel around an area to find out about itcalculatemobilesolveexplore第24页/共29页8 _ completely9 _ anyway10 _ activity of managing moneytotallyanyhowfinan

20、ce第25页/共29页Complete the passage with the words below.artificial technology intelligent applications explore Web reality logicallyWhen my brother was in high school,he was very interested in computers and enjoyed writing programs of his own.He used to download information from the Internet and made g

21、ood use of it.第26页/共29页He liked to _ the World Wide _ and used the Internet to communicate with computer programmers all over the world.When he went to university he studied IT(information _)and developed a special in _ exploreWebtechnologyartificial第27页/共29页intelligence.After developing special _of the computer,he hopes to design an _ robot which can think _ and look like human being,but in _ he was a long way to go.logicallyapplicationsintelligentreality第28页/共29页谢谢您的观看！第29页/共29页