12月2日江西省上饶市九年级英语Unit9第一课时课件人教新目标版.ppt

whenwasitinvented unit9 thefirstperiod talkaboutthehistoryofinventions thepassivevoice grammarfocus languagegoals lightbulb invention edison inventor edisoninventedthelightbulb thelightbulbwasinventedbyedison karlbenzinventedthecar wasinventedby thecar karlbenz bellinventedthetelephone wasinventedby thetelephone bell karlbenz bell edison whowas inventedby itwasinventedby karlbenz pairwork thecar thetelephone bell thelightbulb edison whatisitusedfor itisusedforcounting calculator 1 1 2 3 5 4 inwhatorderdoyouthinktheywereinvented numberthem 1 5 1 first 5 last 1976 1971 1976 1927 1885 whenwasitinvented 1b listenandmatchtheinventionswiththedates a b e d c 18761885192719711976 d a b e c 1876 1885 1927 1971 1976 a whenwasthe invented b itwasinventedin car 1885 practice a whatisthe usedfor b ithinkitisusedfor talkingwithpeople forcounting patterndrills microwaveoven itisusedforcookingandheatingfood a whatisthe usedfor b itisusedfor talkingwithpeople givinglight cookingandheatingfood tellingtime oralpractice pairwork whatis are usedfor it s they reusedfor a whowasthe inventedby b itwasinventedby carlbenz bell askandanswer a whowerethe inventedby b theywereinventedby edison a whenwasthe invented b ithinkitwasinventedin pairwork 1c p68 1976 1927 1885 1876 1971 thepassivevoice 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 被动语态表示主语是动作的承受者 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 eg thiscarismadeinamerica 2 不必要说出动作执行者时 常用 eg romewasnotbuiltinaday 3 为了突出强调动作的承受者时 常用被动语态 eg englishisspokeninmanycountries thepassivevoice 被动语态 主动语态变为被动语态的步骤 把原主动句中的宾语转换为被动语态的主语 2 把动词改为被动形式 即 be 过去分词 注意be动词要按新的主语的人称和数进行变化 时态要和原来的主动语态的时态保持一致 3 原来主动语态句中的主语 如果需要 就放在by后面以它的宾格形式出现 如果没有必要就可以省略 其他的成分 定语 状语 不变 句式也不能变 thepassivevoice 被动语态 主动语态变被动语态的结构图 bellinventedthetelephonein1876 thetelephonewasinventedbybellin1876 主语 谓语动词过去时 宾语 时间状语 主语 谓语动词的过去分词 宾语 时间状语 thepassivevoice 被动语态 主动语态改被动语态 bell invented thetelephone in1876 was by 用所给动词的正确形式填空 1 thebike fix upbyxiaomingyesterday 2 sunglasses use forprotectingpeople seyes 3 apicture put upontheblackboard 4 french speak infrance 5 teenagersshould allow tochoosetheirownclothes wasfixed a