江苏省常州市西夏墅中学高一英语牛津版课件 必修四：UNIT 3 TOMORROW’S WORLD GRAMMAR AND USAGE.ppt

1、Grammar and usageUnit3The passive voiceUnit 3 课件描述：本课件用于辅助牛津高中英语模块四第三单元Grammar and usage教学。The man _(call)“Good husband”.is calledThe pet dog _(treat)by veterinary.is being treatedA frog _(catch)by a big bird just now.was caught am/is/are一般现在时am/is/are+being现在进行时shall/will+be一般将来时have/has+been现在完成时+

2、done+done was/were一般过去时was/were+being过去进行时would+be过去将来时had+been过去完成时How can we change a sentence into the passive voice?1.Find out the object of the sentence and use it as the subject of the sentence with the passive voice.2.Decide the tense of the sentence and use the related form of its passive.3.

3、If necessary,use“by”to join the former subject,which should be put into its object form.When do we use the passive voice?Many houses will be built here.1.不知道或没必要指出动作的执行者。The song“The East is Red”was written by a poor peasant.2.强调动作的承受者。The plan was supported by those who wished to have more chances

4、to speak English.3.动作的执行者有较长的修饰语。You are requested to attend the meeting.4.出于礼貌，不愿意说出动作的执行者。Change the following sentences into the passive voice:1.All of us like her.2.We are discussing the question.3.We have put off the meeting.4.I will develop my picture next week.She is liked by all of us.The qu

5、estion is being discussed.The meeting has been put off.My picture will be developed next week.Fill in the blanks with the right form of the words given:1.I _(give)a new book by my father on my birthday.2.English _(find)very useful.3.The work _(finish)tomorrow.4.The flowers _(water)by them now.was gi

6、ven is foundwill be finished are being watered5.The railway _(build)this time last year.6.The new way _ already _(build).7.The new railway _(build)by the end of last year.8.He told me the sports meeting _(hold)the next month.9.Rice _(grow)in the south of the States.was being builthas been builthad b

7、een builtwould be held is grownWe can use modal verbs in the passive voice to talk about ability,possibility,duty,permission,etc.Firefighters could be trained using RealCine.Computers can calculate the position of the viewer at any time.The position of the viewer can be calculatedat any time.Practic

8、e:1.The viewer can touch the objects in the film.2.The viewer may feel a real sense of achievement and happiness.3.RealCine might not impress some viewers.The objects in the film can be touched.A real sense of achievement and happiness may be felt.Some viewers might not be impressed by RealCine.4.Te

9、achers could use RealCine in the classroom too.5.Film-makers should use RealCine for all films.6.Scientists ought to develop RealCine further.7.The viewer must wear special gloves.RealCine could be used in the classroom too.RealCine should be used for all films.RealCine ought to be developed further.Special gloves must be worn.Homework1.Review what you have learned in this lesson.2.Finish C1,C2 in Workbook on page 108.