人教版高中英语必修二unit 3《computers》（grammar）学案

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1、山东省泰安市肥城市第三中学高一英语人教版必修2《Unit3Computers》Grammar学案【学习目标】在本节课结束时，学生能够了解并掌握现在完成时的被动语态。【学习重点，难点】现在完成时的被动语态的构成及应用。【课型】Grammar【回顾复习】【新知识学习】Step1、Leading-in(情景导入)：分析句子是主动语态还是被动语态？1.Theoldmanhasbeendeadfortwoyears.2.Theyhavedonethejob.3.Thehousehasbeenbuiltfor3years归纳总结：现在完成时的被动语态的构成：__

2、____________其否定结构为：____Step2.Grammar:.将下面句子改为被动语态：1.Wehaveboughtanewpersonalcomputer.2.Wehavefoundmanyproblemswithournewcomputer.3.TheyhavebuiltaPCthewaywewanted.4.TheyhavejustjoinedourcomputertotheInternet.5.Wehaveusedthecomputereverydaysinceweboughtit.6.Wehavewrittenalotofe-m

3、ailsonthecomputerinthepastyear.Step3.【当堂达标】1.Youcanseethehouse_____foryears.isn’tpaintedB.hasn’tpaintedC.hasn’tbeenpaintedD.hadn’tbeenpainted2.---Howlong_____atthisjobs?---Since1990.A.wereyouemployedB.haveyoubeenemployedC.hadyoubeenemployedD.willyoubeemployed3.Greatchanges__int

4、hecity,andalotoffactories__.A.havebeentakenplace;havebeensetupB.havetakenplace;havebeensetupC.havetakenplace;havesetupD.weretakenplace;weresetupStep4.【反思提升】Summarizing【Homework】做报纸B3版语法练习。1CBBDB学习指导背诵些好的句子辨别主动和被动语态运用所学语法