初中被动语态讲课课件

Welcome！,张瑞蓝,ThePassiveVoice,被动语态,什么是动词被动语态呢？,联系汉语中的被字句！,Heplaysbasketballeveryweek.,Basketballisplayedbyhimeveryweek.,Theydotheirhomeworkafterschool.,Theirhomeworkisdonebythemafterschool.,被动语态是怎么构成的？,1.动词的被动语态的构成助动词be+及物动词的过去分词,2.原来的宾语变成了主语，原来的主语变成了介词by的宾语。,3.动作的执行者和承受者的关系并没有改变,Shewaterstheflowerseveryday.,Theflowers,Whatdoesshedoeveryday?,everyday.,arewatered,byher,动词过去分词的变化,一般现在时被动语态的构成：主语+am/is/are+及物动词的过去分词,3、末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加-ed，plannedtripped,4、结尾是“辅音字母+y”的动词，先变“y”为“i”，再加-ed，study-studied，carry-carried,动词过去分词的构成规则（与动词过去式构成规则一样）：,1、一般在动词原形末尾加-ed，lookedplayed,2、结尾是e的动词加-d，livedused,water,wateredwatered,use,usedused,study,studiedstudied,stop,stoppedstopped,过去分词的规则变化,Letshaveatry!,invent,clean,finish,play,smoke,plant,carry,1、speakspokespoken2、useusedused3、makemademade4、writewrotewritten5、growgrewgrown6、plantplantedplanted7、produceproducedproduced8、askaskedasked9、planplannedplanned10、sendsentsent11、buildbuiltbuilt12、inviteinvitedinvited,请写出下列动词的过去式和过去分词：,sing-sang-sung,build-built-built,不规则动词的过去分词要牢记,find,foundfound,make,mademade,build,builtbuilt,sweep,sweptswept,take,tooktaken,buy,boughtbought,have,hadhad,不规则变化的过去分词,sing,sangsung,tell,toldtold,give,gavegiven,do,diddone,ride,roderidden,写出下列动词的过去式，过去分词：,sing-sang-sung,build-built-built,1、speak（）2、use（）3、make（）4、write（）5、grow()6、plant（）7、produce（）8、ask（）9、plan（）10、send（）11、build（）12、invite（）,Mymothersweepstheflooreveryday.,Thefloorissweptbymymothereveryday.,e.gmanypeoplespeakEnglish.,主动语态变被动语态的步骤：1、主动语态的宾语变为被动语态的主语；2、主动句的谓语动词变为被动结构；3、主动句的主语变为被动句的宾语，由by引出，当不强调动作的执行者时，常省略。,e.gmanypeoplespeakEnglish.,主动语态变被动语态的步骤：1、主动语态的宾语变为被动语态的主语；2、主动句的谓语动词变为被动结构；3、主动句的主语变为被动句的宾语，由by引出，当不强调动作的执行者时，常省略。,把下列的句子变为被动语态的句子：1、TheyspeakEnglishinCanada.(English.)2、Peopleusewoodformakingtables.（wood.）3、ThemakecomputersintheUSA.（Computers）4、TheygrowriceinSouthChina.（Rice）,EnglishisspokeninCanada.,Woodisusedformakingtables.,ComputeraremadeintheUSA.,RiceisgrowninSouthChina.,jacket,Thejacketisusedforkeepingwarm.,ThejacketismadeinGuangzhou.,Guangzhou,keepingwarm,summary,1.被动语态的构成2.动词过去分词3.动词主动语态变被动语态,Fillintheblanksusingrightforms:,1.Allthestudents_(ask)tobringakitewiththemlastSunday.,2.Aremanyways_(try)tostoppeoplefromcuttingdownsomanytrees?,3.Whatareonshowinthemuseum?,Somephotos_(take)byAmericanchildren.,4.,Thiscoat_(wash)well.,9.Haveyoufoundyournecklace_(偷)lastweek?,6.Imoften_(警告）nottocopyothershomework.,7.Hecouldntexplainwhydinosaurs_(消失).,8.Illhavemybike_(修理)tomorrow.,5.Musttheoldpeople_(speak)topolitely