九上第四单元第二话题SectionA.pptVIP

Copyright2004-2009版权所有盗版必究表示主观愿望和假想的语气叫虚拟语气.wish后接that从句常用虚拟语气。当表示现在的愿望时,从句中的谓语动词用过去时。执教：陶长霞Unit4AmazingScienceTopic2Whenwasitinvented?arocket0102Previewdisplay预习展示bemadeofbemadefrombemadeupofbemadeinbemadebysbbemadeintobeusedfordoingbeusedtodobeusedasusedtodosth.beusedtodoingsth.1234由某种物质做成(看得出原材料，物理过程)由某种物质制成(看不出原材料，化学过程)由几部分组成在某地/某时制造由某人制造被制成被用来做被用来做被当作某某使用过去常做习惯于做Pleasehaveatry!跟我学Lookandlearn.126543What’sthisinEnglish?It’sacomputerdesk.What’sitmadeof?It’smadeofwood.What’situsedfor?It’susedforholdingacomputer.123456ruler/steel/measurewithtowel/cotton/cleanfacessweater/cotton/keepwarm用......测量举一反三toothbrush/plastic/brushteethFollowtheexamplestomakesimilarconversations.lift/iron/goupanddownbed/iron/sleepon/ai?n/A:HowdoyousaythisinEnglish?B:It’sapieceofpaper.A:What’sitmadefrom?B:It’smadefromwood.A:What’situsedfor?B:It’susedforwritingon.Lookandlearn.ink/carbon/writeinredwine/grapes/drinkbutter/milk/eat举一反三1.What’sitmadeof?It’smadeofwood.2.Whatisitusedfor?It’susedforsendingsatellitesorspaceshipsintospace.Wow!Amodelrocket!Look,listenandanswer.（录音）Listento1a,findouttheimportantanddifficultpoints.Underlinethesentenceswiththepassivevoice(被动语态).一般现在时态的被动语态：am/is/are+及物动词的过去分词Iamnotallowedtoplaycomputergames.allowv.允许1.beallowedtodosth.被允许做某事2.allowsb.todosth.允许某人做某事3.allowdoingsth.允许做某事Example:Mybossdoesntallowmetousethetelephone.老板不许我使用电话.Example:Wedontallowsmokinginourhouse.在我们家里不容许吸烟.1.IwishIcouldgointospacesomeday.someday---------某一天,总有一天e.g.IwishIcouldhavemyownhousesomeday.2.Ihopeyourdreamwillcometrue.cometrue----