被动语态教案

TeachingPlanTeachingContentsPassiveVoiceTeachingAims1.Knowledgeaims:Tomakethestudentsunderstandthepassivevoice.2.Abilityaims:Toletthestudentsusethepassivevoicecorrectly.3.Emotionaims:TocultivatestudentsteamworkspiritTeachingImportantPoints1.Tomasterthepassivevoicecorrectly.2.Toletthestudentsusethepassivevoicefreely.TeachingDifficultPointsThestudentscanunderstandthepassivevoicecorrectlyandmastersomesentencestructurecorrectlyTeachingMethods1.Explanation2.White-board3.Pair-workGroup-workTeachingProceduresStep1Preparation1.Greetthestudentswitheachother.2.Reviewallthetensesthathavelearnt.StepIIPresentation1.英语的语态是通过动词形式的变化表现出来的。英语中有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者。例如：ManypeoplespeakChinese.谓语：speak的动作是由主语manypeople来执行的。被动语态表示主语是动作的承受者，即行为动作的对象。例如：Chineseisspokenbymanypeople.主语English是动词speak的承受者。2.被动语态的构成被动语态由“助动词be＋及物动词的过去分词”构成。人称、数和时态的变化是通过be的变化表现出来的。现以speak为例说明被动语态在各种时态中的构成。一般现在时：am／is／are＋spoken一般过去时：was／were＋spoken一般将来时：will／shallbe＋spoken现在进行时：am／is／arebeing＋spoken过去进行时：was/werebeing＋spoken现在完成时：have／hasbeen＋spoken过去完成时：hadbeen+spokenStepIIIPractice被动语态的用法（1）不知道或没有必要说明动作的执行者是谁。例如：Somenewcomputerswerestolenlastnight.一些新电脑在昨晚被盗了。（不知道电脑是谁偷的）Thisbridgewasfoundedin1981.这座桥竣工于1981年。（2）强调动作的承受者，而不强调动作的执行者。例如：TheglasswasbrokenbyMike.玻璃杯是迈克打破的。Thisbookwaswrittenbyhim.这本书是他写的。Yourhomeworkmustbefinishedontime.你们的家庭作业必须及时完成。StepIVProduction1.主动语态变被动语态的方法（1）把主动语态的宾语变为被动语态的主语。（2）把谓语变成被动结构（be＋过去分词）（根据被动语态句子里的主语的人称和数，以及原来主动语态句子中动词的时态来决定be的形式）。（3）把主动语态中的主语放在介词by之后作宾语，将主格改为宾格。例如：Allthepeoplelaughedathim.Hewaslaughedatbyallpeople.Theymakethebikesinthefactory.Thebikesaremadebytheminthefactory.Hecutdownatree.Atreewascutdownbyhim.2.含有情态动词的被动语态含有情态动词的主动句变成被动句时，由“情态动词＋be＋过去分词”构成，原来带to的情态动词变成被动语态后“to”仍要保留。Wecanrepairthiswatchintwodays.Thiswatchcanberepairedintwodays.Theyshoulddoitatonce.Itshouldbedoneatonce.StepVProgress1.复习记忆被动语态及相关用法2.板书设计：3.教学反思：