初中被动语态讲课课件 22页

Welcome！张瑞蓝\nThePassiveVoice被动语态\n什么是动词被动语态呢？联系汉语中的被字句！\nHeplaysbasketballeveryweek.Basketballisplayedbyhimeveryweek.\nTheydotheirhomeworkafterschool.Theirhomeworkisdonebythemafterschool.\n被动语态是怎么构成的？\n1.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\nShewaterstheflowerseveryday.TheflowersWhatdoesshedoeveryday?everyday.arewateredbyher\n动词过去分词的变化\n被动语态（ThePassiveVoice)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，plannedtripped4、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，lookedplayed2、结尾是e的动词加-d，livedused\nwaterwateredwatereduseusedusedstudystudiedstudiedstopstoppedstopped过去分词的规则变化\nLet'shaveatry!inventcleanfinishplaysmokeplantcarry\n1、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----sungbuild----built----built不规则动词的过去分词要牢记\nfindfoundfoundmakemademadebuildbuiltbuiltsweepsweptswepttaketooktakenbuyboughtboughthavehadhad不规则变化的过去分词singsangsungtelltoldtoldgivegavegivendodiddonerideroderidden\n不规则的过去分词要牢记写出下列动词的过去式，过去分词：sing----sang----sungbuild----built----built1、speak（）2、use（）3、make（）4、write（）5、grow()6、plant（）7、produce（）8、ask（）9、plan（）10、send（）11、build（）12、invite（）\nMymothersweepstheflooreveryday.Thefloorissweptbymymothereveryday.\ne.gmanypeoplespeakEnglish.Englishisspokenbymanypeople.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。\n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.\njacketThejacketisusedforkeepingwarm.ThejacketismadeinGuangzhou.Guangzhoukeepingwarm\nsummary1.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\nFillintheblanksusingrightforms:1.Allthestudents__________(ask)tobringakitewiththemlastSunday.2.Aremanyways_______(try)tostoppeoplefromcuttingdownsomanytrees?3.—Whatareonshowinthemuseum?—Somephotos_________(take)byAmericanchildren.4.Thiscoat_________(wash)well.9.Haveyoufoundyournecklace________(偷)lastweek?6.I’moften_________(警告）nottocopyothers’homework.7.Hecouldn’texplainwhydinosaurs___________(消失).8.I’llhavemybike__________________(修理)tomorrow.5.Musttheoldpeople____________(speak)topolitely?10.ThePRCwas_________(成立)onOctober1,1949.wereaskedtriedaretakenwashesbespokenwarneddisappearedmended／repairedstolenfounded\n谢谢！