八年级英语下册《unit 3 online travel》period 5 grammar（1）教案 牛津版

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1、《Unit3Onlinetravel》Period5Grammar（1）Teachingaims:Step1Greeting&WarmingupStep2PresentingWeuseactivevoicewhenitisimportanttoknowwhoperformstheaction.e.g.Danielboughtanewcomputer.(Wewanttoknowwhoboughtanewcomputer)Explainthatweusethepassivevoicewhenweareinterestedin

2、thethingwhichwasdoneratherthanthepersonwhodidit.Wecanusethepassivevoicewhen1.itisobviouswhoperformstheaction2.wedonotknoworcannotrememberwhoperformedtheaction.3.wethinktheactionismoreimportantthanthepersonwhoperformstheaction.Step3Teaching1.AskSstoreadthethreeexa

3、mplesofthepassivevoiceandtocircletheverbineachone(aretaught,wassoldandaresold)2.Ineachoftheexamples,askSstoidentifythedoeroftheverb,e.g.,‘Wordprocessingskillsaretaughtinourcomputerlessons.’(Theteacher,presumably)‘Theprinterwassoldalready.’(Wedonotknowwhodidit.)‘E

4、ducationalCD-ROMsaresoldinmanycountries.’(Manydifferentpeople)3.Forstrongerclasses,askstudentstotrytochangetheexamplesentencesintothepassivevoice.e.g.Theteacherteacheswordprocessingskillsinourcomputerlessons.Someonesoldtheprinteryesterday.ShopsselleducationalCD-R

5、OMsinmanycountries.4.Weformthepassivevoiceinthesimplepresenttenseandthesimplepasttenselikethis.Step4Exercises1.FinishtheexerciseonPage46“Atelephoneconversation”2.Dosomeexercises(1)Athief____(catch)yesterdayevening.(2)When____thebridge_____?(build)---In1990.(3)Foo

6、tball______(play)bytheyoungmaneveryday.(4)Mymumwatersflowerseveryday.Flowers___________bymymumeveryday.(5)Theheadmastershowedtheforeignvisitorsaroundourschool.Theforeignvisitors_________aroundourschool.(6)EveryoneknowstheGreatWall.TheGreatWall________byeveryone(7

7、)TomspenttwohoursonfootballlastSunday.twohours________onfootballlastSundaybyTom.Step5Homework