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1、Book 2 Unit 3 GrammarBook 2 Unit 3 Grammar Passive Voice The Present Perfect PassiveVoice 作者：金振华作者：金振华 单位：兴城市第二高级中学单位：兴城市第二高级中学 电话：电话：15566738195 地址：兴城二高中英语组地址：兴城二高中英语组B B Book 2 Unit 3 ComputersBook 2 Unit 3 Computers Passive VoiceThe Present Perfect Passive VoiceObjectivesObjectivesWithWith the th
2、e lesson,lesson,students students will be able to:will be able to:1.Use the passive forms of the Present Tense,the Past Tense freely in the given situation.2.Use the Present Perfect Passive voice to express their ideas.abacus laptop PC smartphone Game Guess:who am I?Act Act out the out the playplay
3、An old abacus was walking in the street slowly,“I m too old,I walk slowly.”when a PC ran past him quickly.The old abacus was knocked over,and the PC smiled slightly,“The great time belongs to me!I m faster.”With these words,the PC was pushed down badly by the laptop,“Im much thinner and faster than
4、you.You are out.”Just at the moment,a smartphone came up,the laptop was set aside.“Please stand behind me,you cant keep pace with society.”From From the play,we can see.the play,we can see.The abacus was replaced by PC.The PCs were replaced by laptop.The laptops were replaced by cellphone.what do th
5、e sentences have in common?Act Act out the out the playplay An old abacus was walking in the street slowly,“I m too old,I walk slowly.”when a PC ran past him quickly.The old abacus was knocked over,and the PC smiled slightly,“The great time belongs to me!I m faster.”With these words,the PC was pushe
6、d down badly by the laptop,“Im much thinner and faster than you.You are out.”Just at the moment,a smartphone came up,the laptop was set aside.“Please stand behind me,you cant keep pace with society.”Lets image what they continued to do on that day and describe the scene with the Passive Voice Maybe
7、The abacus was badly hurt and sent to hospital The smart phone was hit by the laptop.Maybe.Maybe.and so on Now lets come back to the reality:What the abacus and the laptop have been dealt with in recent years?IIn real lifeOver time,the abacus has been put in the museums the old laptops have been sol
8、d out.the old PCs have been thrown away.what do they have in common?Over time the abacus _ collect _ in the museum.has beenedIn recent years the PC _replace_ by ipad.dhas beenBesides the computers,great changes have taken place in our society since 1978.Modern apartments Modern apartments have been
9、built have been built since 1978.since 1978.What changes have taken place in our society since 1978?Colour TV sets _ produce_ in China over time.have beendThe bike _ The bike _ (replace)(replace)byby the car since 1978the car since 1978has been replaced recently recently computers _ widely _(compute
10、rs _ widely _(useuse)in our class in our class usedhave beenThe forests _ (cut down)in most places so far.have been cut downbeautiful clothes (make)in factories,not at home over timeBeautiful clothes has been made in factories,not at home over time.a large number of rare animals kill in the past 50
11、yearsA large number of rare animals have been killed in the past 50 years.many rivers pollute seriously in recent yearsPay attention to these words:since 1978in the past 30 years recentlyin recent yearsover timeso farDiscuss in groups:Great changes have taken place since 1978.living standard (food,h
12、ouse,clothing.)transport (on foot,bike,motorcycle,car,plane.)media (book,newspaper,radio,Internet.)communication(letter,fax,telephone,e-mail,WeChat.)nature(river,field,air,mountain,sea.)school(buildings,classroom,playground.)Example:letter e-mail WeChat?In the past,messages _ (send)in letters,_ peop
13、le needed to wait a long time.Later,we _ (communicate)by e-mails,_was faster and could be received in _ short time.In the past few years,messages _(send)by WeChat,which is _(fast),and the messages can be received at once.What do you think the way of communication _(be)in the future?were sent sowhich
14、communicatedhave been sent aWill bethe fastestDiscuss in groups:Great changes have taken place since 1978.living standard (food,house,clothing.)transport (on foot,bike,motorcycle,car,plane.)media (book,newspaper,radio,Internet.)communication(letter,fax,telephone,e-mail,WeChat.)nature(river,field,air
15、,mountain,sea.)school(buildings,classroom,playground.)Write a short passage in groups:Great changes in our daily life Example:Great changes have taken place in China.Many new buildings have been built in cities,towns and villages.The bikes have been replaced by cars.So the roads become wider and wid
16、er.Many overpasses(天桥）have been built in big cities,and the color TV sets have been produced by our Chinese.We are proud of China,so we must study hard in order to make our country increasingly strong.HomeworkHomework Write a short passage:Talk about our life fifty years ago,and the great changes in the past fifty years.Hand in tomorrowThank you!Good-bye!