1、Module 4nGrammar Who wrote this book?=This book _by Mark Twain.was writtenMark Twain wrote this book.What is the man doing?He is feeding a dog.=A dog _ by him.is being fedWhen shall we use the passive voice?1.Use the passive voice when you want to emphasize the receiver,rather than the doer of an ac
2、tion.e.g.William led the invasion.The invasion was led by William.2.Use the passive voice when you do not know the doer of an action.e.g.These books are written for teenagers.3.Use the passive voice when you want to be polite,or when you do not want to identify the doer of an action.e.g.You are cord
3、ially invited to a party.Grammar1.Put the following sentences into passive voice(8m)n In the late 1970s students revived the tradition.n Today,people in Venice celebrate carnival for five days in February.n The government will build more roads to solve the problem of traffic jams.In the late 1970s t
4、he tradition was revived by the students.Today,carnival is celebrated in Venice for five days in February.一般现在时的被动语态：am/is/are+过去分词一般过去时的被动语态：was/were+过去分词一般将来时的被动语态：will be+过去分词More roads will be built to solve the problem of traffic jams by the government.4.Wait a moment.My mother is cooking lunch
5、.5.People were hunting the wolf everywhere last year.Wait a moment.Lunch is being cooked by my mother.The wolf was being hunted everywhere last year.现在进行时的被动语态：am/is/are+being+过去分词过去进行时的被动语态：was/were+being+过去分词6.People have done a lot to protect the environment.7.They had put out the fire before the
6、 firefighters arrived.A lot has been done to protect the environment.The fire had been put out before the firefighters arrived.现在完成时的被动语态：has/have+been+过去分词过去完成时的被动语态：had+been+过去分词Grammar2.Practice(8m)Rewrite the sentences in the passive voice.n 7.We will teach this song on the radio.n 8.They have r
7、eturned the books to library.n 9.They had finished the work before they went home.n 10.They are planting trees at this moment.n 11.They were cleaning the windows at that time.1.Venice is visited by tourists from all over the world.2.Many of the carnival masks are made by trained artists.3.Parties we
8、re given by rich people every day for a month.4.Carnival was taken to South America by the Portuguese and the Spanish.5.The Notting Hill Carnival was created by the West Indian community in London.6.Carnival is enjoyed by millions of people today.7.This song will be taught on the radio.8.The books h
9、ave been returned to the library.9.The work had been finished before they went home.10.Trees are being planted at this moment.11.Windows were being cleaned at that time.Grammar3.Complete the passage using the correct form of the verbs.(8m)n 1.were held2.celebrated3.was decided4.wanted5.was followed6
10、.was discovered7.brought8.were added9.has become10.is celebrated11.is known12.climbs13.flies14.is watched15.are firedHomeworkn Finish the grammar exercises in WB.n Underline the examples of the passive in The Magic of the Mask.Key to the WorkbookActivity 1 1.E 2.D 3.B 4.A 5.CActivity 21.is called 2.was called 3.are given4.were filled 5.were frightenedActivity 36.were lit 7.was believed 8.are dressed9.are given 10.was rung
