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时间:2019-06-20
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1、2017年秋春季学期教研课教案庞晶晶被动语态ThePassiveVoice一、教学目标:1)复习被动语态,掌握被动语态的使用方法。2)通过练习来巩固学生们对被动语态的认识。二情感态度价值观目标:让学生明白事物是在不断发展、变化的道理,培养学生积极向上的心态。三、教学重难点1.教学重点:1)掌握本部分语法,达到熟练运用的目标。2)通过笔头练习,来提高巩固英语语法学习和运用能力。2.教学难点:获得相应的语法运用能力。四、教学过程I.WarmingupReviewtheactivevoiceandpassivevoice英语动词有两种语态,主动语态和被动语态。主动语态表示主语
2、是动作的执行者,被动语态表示主语是动作的承受者。如:Theywillbuildanewbridgeovertheriver.(主动)Anewbridgewillbebuiltovertheriver.(被动)汉语中常用“被”、“给”、“由”、“受”等词用来表示被动,而英语用:助动词be+及物动词的过去分词构成。II.Reviewthetenseandvioce被动语态的时态、人称和数的变化主要体现在be的变化上,其形式与系动词be的变化形式完全一样被动语态时态be+V.过去分词一般现在时am/is/are+V.过去分词一般过去时was/were+V.过去分词一般将来时w
3、illbe+V.过去分词/begoingtobe+V.过去分词现在完成时have/hasbeen+V.过去分词过去完成时hadbeen+V.过去分词现在进行时is/arebeing+V.过去分词过去进行时was/werebeing+V.过去分词含情态动词情态动词+be+V.过去分词Ⅲ.DiscussionLookatthesentencesintheslide.Discusswithyourgroup,what’sthedifferencebetweentheactivevoiceandpassivevoice.1).simplepresenttense:(1)Peop
4、legrowriceinthesouthofthecountry.Riceisgrowninthesouthofthecountry.(2)Theschooldoesn'tallowustoenterthechemistrylabwithoutateacher.Wearenotallowedtoenterthechemistrylabwithoutateacher.2).Pastidenfinitetense:(1)Theyagreedonthebuildingofanewcarfactorylastmonth.Thebuildingofanewcarfactorywa
5、sagreedonlastmonth.(2)Thestudentsdidn'tforgethislessonseasily.Hislessonswerenoteasilyforgotten.Ⅳ.TalkingReviewtheactivevoiceandpassivevoiceofmodalverb.含有情态动词的被动语态是由“情态动词+be+及物动词的过去分词”构成。(1)Youmusthandinyourcompositionsafterclass.Yourcompositionsmustbehandedinafterclass.(2)Hecanwriteagrea
6、tmanyletterswiththecomputer.Agreatmanyletterscanbewrittenwiththecomputerbyhim.Ⅴ.Summarizetheuseageofpassivevoice(1)Myauntinvitedmetoherdinnerparty.主语谓语宾语→Iwasinvited(bymyaunt)toherdinnerparty.主语谓语宾语(2)Theschoolsetupaspecialclasstohelppoorreaders.→Aspecialclasstohelppoorreaderswassetupint
7、heschool.1.把主动语态的宾语变成被动语态的主语。2.把主动语态的谓语变成被动语态的be+过去分词,时态要与原句保持一致。3.把主动语态的主语变为介词by的宾语,放在被动语态里谓语动词之后,by短语可以省略。如果原句主语是地点名词,在被动语态中用in+地点名词作状语。Ⅵ.Attention.1.把主动语态变为被动语态时,其谓语动词的时态要与原句时态保持一致,其谓语动词的数要与新主语保持一致。Wehaveboughtanewcomputer.Anewcomputerhasbeenbought.(正确)Anewcomputerhave
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