初中英语九年级语法课PPT课件

.,1,Unit3Topic1EnglishiswidelyspokenthroughouttheworldSectionA语法课海口市龙泉中学陈丽金,.,2,.,3,.,4,Readloudyandfindrules大声朗读下面句子，发现规律,被动语态(PassiveVoice)be+动词的过去分词,思考：在以上句子中，“ishit”和“isspoken”分别意为_，_。这种be+动词的过去分词结构，叫做被动语态。,被说,Englishisspokenbythem.,Themanishitbyacar.,被撞,.,5,各种时态的被动语态1.一般现在时2.一般过去时3.一般将来时4.现在进行时5.过去进行时6.现在完成时,am/is/are+P.P,was/were+P.P,will+be+P.P,am/is/are+being+P.P,was/were+being+P.P,have/has+been+P.P,.,6,精讲点拨：1、概念：英语语态有主动语态和被动语态两种。主语是动作的执行者，叫做主动语态；主语是动作的承受者，叫做被动语态。如：Wecleantheclassroom.我们打扫教室。(主动语态)Theclassroomiscleaned(byus).教室被(我们)打扫。（被动语态）,.,7,waterflowers,Theflowersarewateredbyher,.,8,planttrees,Treesareplantedbythem,.,9,polluterivers,Riversarepollutedbyfactories,.,10,likeLiuDehua,LiuDehuaislikedbyus,.,11,SheisfromChina.,SheisChinese.,ShespeaksChinese.,Chineseisspokenbyher.,.,12,isspokenby,ShespeaksChinese.,Chinese,Chinese,She,her.,被动语态(PassiveVoice)be+done,主动语态：主语+动词+宾语被动语态：主语+be+过去分词+by+宾语,注意：1)主动语态、被动语态互相转换时，时态不变；,.,13,HespeaksEnglish.Englishisspokenbyhim.,仔细观察主动语态变为被动语态的示例，总结主动语态变为被动语态的规则。总结：1）将一个主动语态的句子变为被动语态可分为三步：a、将主动语态的宾语，变为被动语态的_；b、将主动语态的谓语动词变为be+_，其中be有人称和数的变化；c、将主动语态的主语变为by+名词或代词宾格。2）主动语态变为被动语态时，句子的时态、时间状语等_(需要/不需要)变化。,观察:,主语,动词的过去分词,不需要,.,14,1.Manypeopleusecomputers.,Computers_by_.,2.Theworkersplanttreesinthegarden.,Trees_inthegarden_theworkers.,areused,manypeople,areplanted,by,3.LotsofforeignersenjoyBeijingOpera.,BeijingOpera_,isenjoyedbylotsofforeigners.,4.ManyvisitorsvisittheGreatWalleveryyear.,TheGreatWall_,isvisitedbymanyvisitorseveryyear.,2aStudytheexampleandfindouthowtochangetheactivevoiceintothepassivevoice.Thencompletethesentences.,.,15,Theairispollutedbymanyfactories.,Manyfactoriespollutetheair.,.,16,Treesareplantedinthegardenbypeople.,Peopleplanttreesinthegarden.,.,17,Computersareusedbychildren.,Childrenusecomputers.,.,18,BeijingOperaisenjoyedbymostpeople.,MostpeopleenjoyBeijingOpera.,.,19,TheGreatWallisvisitedbymanypeople.,ManypeoplevisittheGreatWall.,.,20,1.Disneylandislovedbypeople,2.Mickeymouseislikedbymanychildren.,3.EnglishisspokenbytheAmericans,4.Riceiseatenbypeople.,.,21,1.Muchrubbishpollutestheriver.Theriverispollutedbymuchrubbish.2.PeopleloveDisneyland.Disneylandislovedbypeople.3.ManychildrenlikeMickeyMouse.MickeyMouseislikedbymanychildren.,Exercises,.,22,Pairwork,1.Onestudentsayoutanactivevoicesentence2.Theotherstudentchangetheactivevoiceintothepassivevoice,.,23,2bWorkingroupsofthreeandplaythegamebythefollowingexample.,ManypeoplespeakEnglish.,Englishisspoken.,Englishisspokenbymanypeople.,playthegame,.,24,Exercise（用动词的适当形式填空）1.Historybythepeople.(make)2.Heoftentodotheworkbytheteacher.(ask)3.Thetrains(produce)inZhuzhou.,ismade,is,asked,areproduced,.,25,(运用动词的过去分词broken,cut,done,eaten,found,sent,spoken,told等等。把动词的过去分词与Topiclist(如下文所示)某一题目结合起来进行编剧表演活动。要求活动中尽量出现表达被动意义的动作或情节，最后小组推举一位同学，尽量多的用被动语态句子对表演内容进行讲述。Topiclist(1)LostandFound(suggestedwords:lose,find)主要事件：LostandFound学生表演：学生A丢了手表，学生B和C帮他寻找并且找到，最后其中的一位同学对故事进行描述：),project,Eg:Mywatchislost.Icantfindit.ButIamhelpedbyChenJingandLiMei.ItisfoundontheplaygroundbyLiMei.Mywatchissenttomenow.,.,26,Summary,Welearn:,Wecan:,1.learntheusageofsimplepresentpassivevoice.(1)Themanishitbyacar.(2)Englishisspokenbyhim.2.howtochangeactivevoiceintopassivevoiceSomepeoplewatertheflowers.Theflowersarewateredbysomepeople1.ExpressourselvesusingPas