人教版高中英语必修二教案：Unit 3 Computers Period 5 Grammar .doc

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1、Unit3ComputersPeriod5Grammar教学设计I.Teachingcontents：ThePresentPerfectPassiveVoiceII.Teachingaims：1.UnderstandtheusesofthePresentPerfectPassiveVoice2.UsethePresentPerfectPassiveVoicecorrectlyIII.Keypoints&DifficultiesKeypoints:TogetthestudentstoknowthePr

2、esentPerfectPassiveVoiceandlearnhowtousethePresentPerfectPassiveVoice.TeachingDifficultiesToenablethestudentstousethePresentPerfectPassiveVoicecorrectlyIV.TeachingmethodsDiscussing,summarizingandpracticing.V.Teachingprocedure:Step1:Lead-inReviewtheverb

3、tensesandtheFuturePassiveVoicetheyhavelearntinlastunit.Step2:Grammarexplanation.TeacherhelpthestudentsdealwithhowtoexpressthePresentPerfectPassiveVoice.1.Thestructureofthepresentperfectpassivevoiceis:have/has＋been＋~ed现在完成时的被动语态表示动作发生在过去,到现在已经完成或对现在仍有影响

4、。主动语态即主语为动作的执行者；被动语态即主语为动作的承受者。现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在造成的影响或结果，但主语为动作的承受者，表示“……已经被……”。1).现在完成时被动语态的肯定式为：have/has+been+done2).现在完成时被动语态的否定式为：have/has+not+been+done3).现在完成时被动语态的一般疑问句需将have/has提到主语的前面4).现在完成时被动语态的特殊疑问句为：疑问词+have/has+been+done2.现在完成

5、时的被动语态表达以下两个概念：1).说话时已经完成的动作或出现的结果。2).主语是行为动作的承受者。3.主动语态变被动语态的方法4.Practice.Step3:Exerciseforconsolidation.Studentstrytodotheexercise2onpage21,thenteachergiveguidanceandcheck.Step4:Homework.1.TrytoremembertheformofthePresentPerfectPassiveVoice.2.Finisht

6、heexercise3onPage21andexercise2onpage57.VI.Blackboarddesign.Unit3ComputersPeriod5Grammar教学设计1.Thestructureofthepresentperfectpassivevoiceis:have/has＋been＋~ed1).现在完成时被动语态的肯定式为：have/has+been+done2).现在完成时被动语态的否定式为：have/has+not+been+done3).现在完成时被动语态的一般疑问句需

7、将have/has提到主语的前面4).现在完成时被动语态的特殊疑问句为：疑问词+have/has+been+done