初中英语第六册Unit93九年级英语课件
日期：2010-04-19 04:07
itgivespeoplemoretimetoworkandplayeverydayThepassivevoice被动语态英语中动词有主动语态和被动语态两种语态主动语态表示主语是动作的执行者，Unit9Whenwasitinvented?SectionATalkaboutthehistoryofinventionsThepassivevoice1bListenandmatchtheinventionswiththedatesabedc18761885192719711976dabec1c1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876JulieThompsonbattery-operatedslippersChelseaLanmonheatedicecreamscoopJayceCoziarandJamieEllsworthshoeswithadjustableheels2aListenandnumbertheinventionsintheorderthatyouhear3122bWhowasit/weretheyinventedby?Itwas/TheywereinventedbyChelseaLanmon3bWhatdoyouthinkisthemosthelpfulinvention?IthinkthemosthelpfulinventionisthelightbulbWhyisthat?Well，在被动语态中动作的执行者有时用by短语表示出来被动语态的构成:助动词be+(及物动词的)过去分词一般现在时一般过去时Thepassivevoice被动语态被动语态的用法:不知动作执行者时，常用被动语态egMybikewasstolenyesterdayThiscarismadeinAmerican2不必要说出动作执行者时，常用egRomewasnotbuiltinaday3为了突出强调动作的承受者时，被动语态表示主语是动作的承受者，常用被动语态egThousandsofbeachesarepolluted(污染)Thepassi，
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