公开课教案（一般现在时的被动语态）2015-5-17Teachingaims:1,Sslearnandmasterthepassivevoiceofthegenerallyinthepresenttense.2,Sslearnhowtotransform(转换)betweentheactiveandpassivevoice.3,Sscanunderstandthegrammarnotesandfinishthegrammarexercisesperfectly.Teachingfocus1,Tellthedifferencesbetweenthetwovoicesandtransformeachother.2,Masterthegrammarpoints.3,Dothegrammarexerciseswell.Teachingprocedures:Step1GoingoverReadandtranslatethefollowingsentences.•1,EverythingismadeinChina.•2,Thecupismadeofglass.•3,IsitmadeinChina?•4,Whatisitmadeof?•5,Whereisitmade?•6,It’susedfordrawingpictures.•7,Excuseme,isthisseattaken?•8,Iamsurprisedatthenews.Step2Newteaching一、两种语态的含义及区分：1，主动语态：ManypeoplespeakChinese.2，被动语态：ChineseisspokenbymanyChinese.3，被动语态的构成：be+Pp(动词的过去分词)4，人称、数和时态的变化是通过be的变化表现出来的。5，一般现在时被动语态的构成：am/is/are+Pp+(by+动作执行者)例如：Childrenlovethissong.(主动语态）（动作执行者）（动作承受者）Thissongislovedbychildren.(被动语态）（动作承受者）（动作执行者）二、主动语态变被动语态的口诀：宾语提前主语变，原主变宾by后见，时态人称be关键。三、课堂练习：Exercise1把下列的句子变为被动语态的句子1、TheyspeakEnglishinCanada.____________________________________2、Mymotheroftenasksmetowashthedishes.._________________________________________3、TheymakecomputersintheUSA.________________________________________4、TheygrowriceinSouthChina.________________________________________5、TheygrowriceinSouthChina._________________________________________Exercise2把下列句子变成被动句：1.MoreandmorepeoplespeakEnglish.___________________________________2.Weplantmoretreeseveryyearhere._____________________________________3.Dalianproducesbigships.______________________________4.Farmersgrowriceinsummer._________________________________5.Wecleanourclassroomeveryday.___________________________________Step3,Summaryandemphersize要点补充：•1、当我们不知道动作的执行者时；•Abookisstolen.•2、当我们不必提出动作的执行者时；•Iwasbornin1990.•3、当我们强调或侧重的是动作的接受者时。•Sheislikedbyeverybody.•*4、其它各种时态的被动语态（以后单元中详解）•Thebookwasboughtyesterday.(一般过去时态的被动语态）•5、动词变过去分词的变化规则。（现在完成时态已学过,课后回顾）要点总结归纳：•主动语态变被动语态的口决。•两种语态的含义：（略）•般现在时态被动语态的句型结构。•被动语态的用法：1，不知道动作的执行者时。Abookisstolen.2,不必强调动作的执行者时。（常用于一些固定搭配）bemadeof/frombemadeinbeusedtodosth/fordoingsthbe(was/were)bornItis/wassaid/reported+that从句“据说/据报到…”Step4,QuizeinclassQuize11.Thegirllooksaftertheoldwomanwell.Theoldwomanbythegirl.2.Weoftenkeepourclassroomclean.Ourclassroomus.3.Somepeoplethrowwastepapereverywhere.Wastepapereverywhere.4.Weusealltheapplestomakesalad.Alltheapples5.Thepolicecatchesathief.Athiefthepolice.Quize21.English_________(speak)bymanypeople.2.Tea_________(grow)inSoutheastChina.3.Manytrees____________(plant)inNorthChina.4.Thebrush__________(make)ofbambooandanimal’shair.5.Confucius(孔子）_________(know)asagreatthinkerinChina.Step5,HomeworkDoactivity18inUnit9onP150
