浙江省临安市於潜第二初级中学九年级英语上册 《被动语态》课件 人教新目标版.ppt

1 teenagersshouldbeallowedtochoosetheirownclothes 2 englishisspokenbymanypeople 3 treesareplantedinsouthchina read 被动语态 thepassivevoice 语态 表示主语和谓语动词之间的关系 英语有两种语态 即主动语态和被动语态 主动语态 表示主语是动作的执行者 被动语态 表示主语是动作的承受者 语态 主动语态变被动语态的方法 1 把主动语态的宾语变为被动语态的主语 2 把主动语态的谓语变为被动语态的谓语 3 把主动语态的主语变为被动语态的by短语 by短语可以省略 by短语后跟代词的宾格 byhim heoftenasksmathteacherquestions mathteacher isoftenasked questions 被动语态的时态是由be的时态决定的 be是什么时态 全句就是什么时态 be动词后面的过去分词不变 is am are v过去分词 1 一般现在时的被动语态结构 1 theyplayfootballonsunday 2 lucydoesthehomeworkintheevening footballisplayedbythemonsunday thehomeworkisdonebylucyintheevening 一般过去时的被动语态结构 was were 过去分词 lastyear weplantedmanytreeslastyear manytrees wereplanted 1 theybuiltthetallbuildinglastyear 2 hetookgoodcareofhislittlebrotheryesterday thetallbuildingwasbuiltbythemlastyear hislittlebrotherwastakengoodcareofbyhimyesterday 一般将来时的被动语态结构 willbe 过去分词 theywillfinishtheworkintendays bythemintendays thework willbefinished 1 wewillhaveasportsmeetingnextweek 2 theheadmasterwillgiveatalkthisafternoon asportsmeetingwillbehadbyusnextweek atalkwillbegivenbytheheadmasterthisafternoon 含有情态动词的被动语态结构 can may must should be 过去分词 youshoulddrinkmorewater morewater shouldbedrunk byyou 1 lucymaydrawthepictures 2 youmustturnoffthelights thepicturemaybedrawnbylucy thelightsmustbeturnedoffbyyou 现在完成时的被动语态的结构 have has been 过去分词 wehavefinishedourhomework ourhomework hasbeenfinished byus 表格 被动态基本结构 am is aredone was weredone shall will begoingtobedone have hasbeendone 过去分词很重要 要记牢 1 规则动词的过去分词 1 一般情况在动词原形后加 ed watch watched 2 以不发音e结尾的加 d practice practiced 3 以辅音加y结尾的 去y变i加 ed study studied 4 以重读闭音节结尾 末尾只有一个辅音字母 先双写该辅音字母 再加 ed stop stopped 2 不规则动词的过去分词 am is are been have has had do done write written go gone suchbooksarewrittenforchildren 这些书是为儿童写的 被动语态的用法 1 不知道或没有必要说明动作的执行者是谁 it s wassaid believed reported that it sreportedthataboutthreehundredpeoplewerekilledinthisearthquake 据报道 这次地震中大约有三百人死亡 2 强调动作的承受者 这时应用by短语 thecupwasbrokenbydavid 3 作客观说明时 常采用一种被动语态句型 被动语态的特殊结构 1 makesbdoletsb dohavesb do bemadetodobelettodobehadtodo eg imadehimstayoutside hewasmadetostayoutside 2 seesb dohearsb dowatchsb do beseentodobeheardtodobewatchedtodo eg isawhergoout shewasseentogoout 注意 seesb doinghearsb doingwatchsb doing beseendoingbehearddoingbewatcheddoing eg ihearherreadingenglish sheisheardreadingenglish atrafficaccident happen justnow happened 2 连系动词 link v 如 be look seem feel sound smell taste get turn become pekingopera sound beautiful sounds 3 当此动词表示事物的自然属性的时候 thepen write veryfast writes thiskindofsweater sell well sells 1 不及物动词 vi 如 happen takeplace appear dissapear 不用被动语态的动词 自测题 1 largenumbersofplasticbags use inthesupermarketseveryday 2 ourcountry send upanotherman madesatellitelastyear 3 musttheoldpeople speak topolitely 4 hergrandmawasstillalivewhenhe take tothehospital areused did send bespoken wastaken 6 threequartersoftheworld sbooks write inenglish 7 thiskindofsweater sell well 8 lesson50 teach nextweek arewritten sells will betaught 5 english speak inmanycounties isspoken use for photo football play world footballisplayedallovertheworld camerasareusedfortakingphotos bank robyesterday satellite sendup lastyear aman madesatellitewassentupintospacelasty