《九年级英语四单元同课异构教案》由会员分享，可在线阅读，更多相关《九年级英语四单元同课异构教案（30页珍藏版）》请在金锄头文库上搜索。
1、Topic 1 When was it invented ?Section A 水塘中学水塘中学:李朝政李朝政学习目标：学习目标：1.复习一般现在时的被动语态复习一般现在时的被动语态2.初步学习一般过去时的被动语态初步学习一般过去时的被动语态3.重点掌握重点掌握bemadeof/from/upof/in/by和和beusedfor/as/by的用法的用法4.能对身边的实物从构成能对身边的实物从构成、作用等方面进行描述、作用等方面进行描述英语动词有两种语态：英语动词有两种语态：主动语态主动语态(theActiveVoice)被动语态被动语态(thePassiveVoice)Review:(一一)
2、基本用法基本用法:当句子的当句子的主语主语是动作的是动作的执行执行者者时，谓语的形式是时，谓语的形式是主动语态主动语态。当句子的主语是动作的当句子的主语是动作的承受承受者者时，谓语要用时，谓语要用被动语态被动语态。一般现在时的被动语态一般现在时的被动语态结构：结构：S+be(am/is/are)+p.p.+by+O+其他。其他。注意：助动词注意：助动词be随主语的变化而变化随主语的变化而变化( (二二) )主动语态变被动语态主动语态变被动语态: : (1)(1)把把原原原原来的来的宾语宾语宾语宾语提到前面作被动语态的提到前面作被动语态的主语。主语。主语。主语。(2)(2)把把谓语动词谓语动词变
3、成变成被动结构被动结构( (bebe过去分词过去分词) )。(3)(3)把主动语态中的把主动语态中的主语主语放在介词放在介词byby之后作之后作宾语宾语，将，将主格主格改为改为宾格宾格。如：。如： Theymakethebikesinthefactory. . Thebikesinthefactory.are madethembyrocketmetalsatelliteLearnthenewwords:locklaptopdigitalspaceshiplocklaptopdigitalspaceshiprocketmetalsatellite1.Themodelrocketismadeof_
4、(金属金属).2.Weusea_(手提电脑手提电脑）tostudy.3.Theyusea_(数字数字)cameratotakephotes.4.Mydoors(锁锁)isbroken.Canyoulendmeone?5.The_(火箭火箭)waslaunchedinMarch1980.6.Therocketisusedforsending_(卫星卫星)and(宇宙飞船宇宙飞船)intospace.metallaptopdigitallockrocketsatellitespaceshipCheckthenewwordsLook and learnA:Whatsitmadeof?B:Itsmad
5、eofmetal.A:Whatsitusedfor?B:Itsusedforlockingthedoor.A:Whatsitmadefrom?B:Itsmadefromwood.A:Whatsitusedfor?B:Itsusedforwritingon.Task1:Discussandfindoutthedifferencesbetweenbe made ofandbe made frombemadeof由某种物质制成由某种物质制成（从表面能从表面能看出原材料看出原材料，属于物理变化，属于物理变化）bemadefrom由某种物质制成由某种物质制成（从表面从表面看不出原材料看不出原材料，属于化
6、学变化，属于化学变化） bemadeupof由几部分组成由几部分组成bemadein在某地在某地/某时制造某时制造bemadeby由某人制造由某人制造bemadeinto被制成被制成 beusedfor被用来做被用来做beusedtodo被用来做被用来做beusedas被用作被用作beusedby被某人使用被某人使用usedtodosth.过去常做过去常做be/getusedtodoingsth.习惯于做习惯于做Task2:归纳归纳made和和used的的其他短语其他短语red wine/grapes /drink Followtheexamplestomakesimilarconversat
7、ions.A:Whatsitmadeof/from?B:Itsmadeof/from.A:Whatsitusedfor?B:Itsusedforrocket/metal/send satellites or spaceships into spacesweater/cotton/keep warma digital camera /metal /take photos listento1aandmarkT(Ture)orF(False).1.Janeisunhappybecauseshewasnotallowedtogotoapartylastnight.()2.Kangkangsfather
8、madeamodelrocketforhim.()3.Therocketismadeofmetal.()4.Arocketisusedforsendingsatellitesorspaceshipsintospace.()FFTT Read 1a and finish 1c.1.Why did Kangkang ask Jane not to spend too much time on computer games ?Because its bad for her health.2.Whats a rocket used for ?Its used for sending satellite
9、s or spaceships into space.3.Who taught Kangkang some knowledge about spaceships ?Mr.Brown4.Whats Kangkangs dream ?He wisheshecould go into space some day.3a A. Listen to the conversations and number the following pictures.2313a B. Listen again and complete the table . InventionItemlaptopcell phoned
10、igital cameraMaterialUsageYearcountryplasticplasticmetal and plasticstudy, work and play communicatetake photosaround 19851973around 1975JapanAmericaAmerica3b Work in pairs. Ask and answer questions based on the table in 3a with passive voice. A: What is a laptop made of ?B: It is made of plastic. A
11、: Whats it used for ?B: It is used for studying. A: When and where was it developed ?B: It was developed in Japan in 1985.Example:Focus on the meaning in communication. Dont be afraid of making mistakes. 一般过去时的被动语态的概念及构成：一般过去时的被动语态的概念及构成： 概念：概念：表示过去某一时间的被动动作或过去经常性、习惯表示过去某一时间的被动动作或过去经常性、习惯性的被动动作。性的被动
12、动作。 构成构成: 1.肯定 ：S+was / were +P.P.+by+某人某人/物物+其他。其他。e.g.MycousinboughtacolorTVset.（改为被动语态）（改为被动语态）AcolorTVmycousin.聚焦一般过去时的被动语态聚焦一般过去时的被动语态wasboughtby聚焦一般过去时的被动语态聚焦一般过去时的被动语态2.否定 ：S+was / were +not+P.P.+by+某人某人/物物+其他。其他。e.g.AcolorTVwasboughtbymycous.（改为否定句）（改为否定句）AcolorTVwasnot（wasnt）boughtbymycous.
13、3.一般疑问：Was / Were+S +P.P.+by+某人某人/物物+其他其他?e.g.AcolorTVwasboughtbymycous.（改为一般疑问句）（改为一般疑问句）WascolorTVboughtbymycous？Mybrothermendedhiswatchlastnight.（改为被（改为被动语态）动语态）肯定：肯定：Hiswatchwasmendedbymybrotherlastnight.否定：否定：Hiswatchwasntmendedbymybrotherlastnight.一般疑问句：一般疑问句：Washiswatchmendedbymybrotherlastni
14、ght?()1.He_playcomputergamesunlesshefinishedhishomework.A.wasallowedtoB.wasnotallowedtoC.allowto()2.Weallknowthatpaper_wood.A.ismadeofB.ismadeintoC.ismadefrom()3.Thiskindofmachine_in2006.A.isinventedB.ismadeC.wasinvented()4.A(An)_isusedfortakingphotos.A.CameraB.LiftC.MP3player()5.Weshouldspendmoreti
15、me_becauseitstooimportant.A.tolearnEnglishB.learningEnglishC.inEnglishI.Choose the right answers. You can do it.BCCABExercise.Change the following sentences.1.Mymotherallowsmetousehercellphone.(改为被动语态改为被动语态)I_usemymotherscellphone.2.Arocketisusedforlaunchingsatellitesandspaceships. (就画线部分提问就画线部分提问)_
16、arocket_?3.Thedigitalcamerawasinventedin1975.(就划线部分提问就划线部分提问)_thedigitalcamera_?4.ThewatchwasmadeinShanghaiin1980.(就划线部分提问就划线部分提问) _ _ the watch _ in 1980 ?wasmadeamallowedto WhatisusedforWhenwasinventedWhere.Fill in the blanks with the right prepositions.1.Thedeskismade_wood.2.Theredwineismade_grap
17、es.3.Thisdeliciouscakewasmade_mymother.4.Glassesaremade_glass.5.Ourgroupismadeup_fourstudents.6.Thatkindofmachineismade_Japan.ofinoffromofbyHomework:Writeashortpassageaboutoneofyourfavouriteinventions.We learn: 1.Some words: lock, rocket, metal, satellite, spaceship 2. Some phrases: be made of, be used of, some day, come true 3. Some sentences: (1) I wish I could go into space some day. (2) I hope your dream will come true. (3) -What is a rocket used for? -Its used for sending satellites or spaceships into space. We can: Use the passive voice. Summary（歌曲）（歌曲）
