《Unit3Onlinetravel》Period5Grammar（1）Teachingaims:Step1Greeting&WarmingupStep2PresentingWeuseactivevoicewhenitisimportanttoknowwhoperformstheaction.e.g.Danielboughtanewcomputer.(Wewanttoknowwhoboughtanewcomputer)Explainthatweusethepassivevoicewhenweareinterestedinthethingwhichwasdoneratherthanthepersonwhodidit.Wecanusethepassivevoicewhen1.itisobviouswhoperformstheaction2.wedonotknoworcannotrememberwhoperformedtheaction.3.wethinktheactionismoreimportantthanthepersonwhoperformstheaction.Step3Teaching1.AskSstoreadthethreeexamplesofthepassivevoiceandtocircletheverbineachone(aretaught,wassoldandaresold)2.Ineachoftheexamples,askSstoidentifythedoeroftheverb,e.g.,‘Wordprocessingskillsaretaughtinourcomputerlessons.’(Theteacher,presumably)‘Theprinterwassoldalready.’(Wedonotknowwhodidit.)‘EducationalCD-ROMsaresoldinmanycountries.’(Manydifferentpeople)3.Forstrongerclasses,askstudentstotrytochangetheexamplesentencesintothepassivevoice.e.g.Theteacherteacheswordprocessingskillsinourcomputerlessons.Someonesoldtheprinteryesterday.ShopsselleducationalCD-ROMsinmanycountries.4.Weformthepassivevoiceinthesimplepresenttenseandthesimplepasttenselikethis.Step4Exercises1.FinishtheexerciseonPage46“Atelephoneconversation”2.Dosomeexercises(1)Athief____(catch)yesterdayevening.(2)When____thebridge_____?(build)---In1990.(3)Football______(play)bytheyoungmaneveryday.(4)Mymumwatersflowerseveryday.Flowers___________bymymumeveryday.(5)Theheadmastershowedtheforeignvisitorsaroundourschool.Theforeignvisitors_________aroundourschool.(6)EveryoneknowstheGreatWall.TheGreatWall________byeveryone(7)TomspenttwohoursonfootballlastSunday.twohours________onfootballlastSundaybyTom.Step5Homework
