人教版英语九年级unit6第三课时ppt课件

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,Unit,6,Whenwasitinvented?,Unit6,1,SectionA,GrammarFocus4c,SectionA,2,1.rule(,动词,)_,2.near(,副词,)_,3.nation(,形容词,)_,4.,偶然;意外地,_,5.,发生,_,6.,毫无疑问;的确,_,7.,跌落,_,Revision,一、按要求写出下列词汇或词组,takeplace,nearly,rule,national,byaccident,withoutdoubt,fallinto,1.rule(动词)_Revision一,3,Tellsomethingabouthowteawasinventedbyaccident.,OnedayShenNongwasboilingdrinkingwateroveranopenfire.Someleavesfromateaplantfellintothewaterandremainedthereforsometime.,Tellsomethingabouthowteawasinv,4,Itproducedanicesmellsohetastedthebrownwater.Itwasquitedeliciousandoneoftheworldsfavoritedrinkwasinvented.,Itproducedanicesmellsohetasted,5,LuYu“thesaintoftea”mentionedShenNonginhisbookChaJing.Thebookdescribeshowteaplantsweregrownandusedtomaketea.Italsodiscusseswherethefinesttealeaveswereproducedandwhatkindsofwaterwereused.,TellsomethingaboutLuYuandhisChaJing.,LuYu“thesaintoftea”mentionedSh,6,ItisbelievedthatteawasbroughttoKoreaandJapanduring6thand7thcenturies.InEngland,teadidntappearuntilaround1660.TheteatradefromChinatoWesterncountriestookplaceinthe19thcentury.,Tellsomethingabouthowteaspreadtoothercountries.,Itisbelievedthatteawasbroughtt,7,根据课本内容,完成下列句子。,1.,拉链是什么时候被发明的?,_thezipper_?,2.,它于,1893,年被发明。,It_in1893.,GrammarFocus,wasinvented,Whenwasinvented,根据课本内容,完成下列句子。1.拉链是什么时候被发明的?Gr,8,3.,它是由谁发明的?,_itinvented_?,4.,它是由惠特科姆,贾得森发明的。,It_WhitcombJudson.,5.,茶叶什么时候被带到朝鲜去的?,_tea_toKorea?,6.,是在六到七世纪之间被带到朝鲜。,It_toKorea_the6thand7thcenturies.,wasinventedby,Whenwasbrought,wasbroughtduring,Whowasby,3.它是由谁发明的?wasinventedbyWhenwas,9,7.,热冰淇淋勺用来做什么?,What_thehotice-creamscoop,_?,8.,它用来挖很冷的冰淇淋。,Its_reallycold,ice-cream.,usedforserving,is,usedfor,7.热冰淇淋勺用来做什么?usedforservingis,10,9.,贝尔于,1876,年发明了电话机。,AlexanderGrahamBell_thetelephonein1876.,10.,电话机在,1876,年被贝尔所发明。,Thetelephone_AlexanderGrahamBellin1876.,invented,wasinventedby,9.贝尔于1876年发明了电话机。inventedwasin,11,Grammar,英语有两种语态:,主动语态和被动语态,。,主动语态表示主语是动作的执行者,而被动语态则表示主语是动作的承受者,。如:,We,cleaned,theclassroomyesterday.,我们昨天打扫了教室。,(,主动语态,主语,we,是,clean,这一动作的执行者,),Grammar英语有两种语态:主动语态和被动语态。主动语态表,12,Theclassroom,wascleaned,yesterday.,教室昨天被打扫。,(,被动语态,主语,theclassroom,是,clean,这一动作的承受者,),Theclassroomwascleanedyesterda,13,一、一般过去时被动语态,一般过去时被动语态的结构为“主语,+was/were+,及物动词的过去分词,(+by+,动作的执行者,).”,。如:,Trees,wereplanted,lastspring.,去年春天种了树。,一、一般过去时被动语态,14,1,.,肯定句,:,主语,+,was/were+,及物动词的过去分词,+,其他.,e.g.Paper,wasinvented,byChinesepeopletwothousandyearsago.,纸是中国人在二千多年前发明的。,1.肯定句:e.g.PaperwasinventedbyCh,15,2.,否定句:,主语,+,was/werenot+,及物动词的过,去分词,+,其他.,e.g.Women,werenotallowed,totakepartinthegamesatfirst.,开始妇女不允许参加奥运会。,2.否定句:e.g.Womenwerenotallowedt,16,e.g.,Was,thispicture,drawn,by,yoursister?,这幅画是你妹妹画的吗?,3.,一般疑问句:,Was/Were+,主语,+,及物动词的过去分,词,+,其他,?,e.g.Wasthispicturedrawnby3.一般疑,17,二、被动语态的用法:,1.,不知道谁是动作的执行者,或没有必要指出谁是动作的执行者,。,e.g.,Englishisspoken,alloverthe,world.,全世界都在说英语。,2.,需要突出或强调动作的承受者,。,e.g.Thisdictionary,isusedby,moststudents.,这本字典是大多数学生在用的。,二、被动语态的用法:,18,1.,有些短语动词相当于及物动词,变为被动句时介词或副词不能去掉。,e.g.,Theyputoffthemeeting,becauseoftheweather.,Themeetingwasputoff,becauseoftheweather.,会议因天气的缘故被推迟了。,三,、主动语态变被动语态应注意的问题,1.有些短语动词相当于及物动词,变为被动句时介词或副词不能去,19,2.,含有双宾语的主动句变为被动句时,,通常把指“人”的间接宾语变为主语,,指“物”的直接宾语保留不变;如果把,指“物”的直接宾语变为主语,则在间接,宾语前加,to,或,for,。,e.g.,Myauntgaveme,ane-dictionaryyesterday.,Iwasgiven,ane-dictionaryyesterday.,Ane-dictionarywasgiventome,yesterday.,2.含有双宾语的主动句变为被动句时,e.g.Myauntga,20,3.,主动句中感官动词,see/hear/watch/feel,等和使役动词,make/let/have,等后跟省略,to,的动词不定式,变为被动语态时应加上不定式符号,to,。,e.g.,Isawaheavyman,enterthehouse.,Aheavymanwasseentoenter,thehouse.,3.主动句中感官动词see/hear/watch/feel等,21,4.,系动词、不及物动词或某些短语动词(,happen,takeplace,cometrue,fallasleep,)没有被动语态。,e.g.What,happened,toMr.Brown?,布朗先生发生了什么事?,4.系动词、不及物动词或某些短语动词(happen,take,22,将下列句子变为被动语态。,1.Hechosesixstorybookstheotherday.,Sixstorybooks_byhimtheotherday.,2.UncleLeegaveJackalargecakeforhepaintedthewallwonderfully.,Jack_alargecakeforhepaintedthewallwonderfully.,练一练,wasgiven,werechosen,将下列句子变为被动语态。1.Hechosesixstoryb,23,3.Amouseatehalfofthecakelastnight.,Halfofthecake_bya,mouselastnight.,waseaten,将下列句子变为主动语态。,4.WerethesemachinesinventedbyEdison?,_Edison_thesemachines?,Didinvent,3.Amouseatehalfofthecakelastni,24,5.ThepostcardwassenttoLindabyPaul.,Paul_thepostcard_Linda.,6.AmericawasdiscoveredbyColumbus.,Columbus_America.,sentto,discovered,5.ThepostcardwassenttoLindabyP,25,对划线部分提问,7.Shoeswithlightswereusedfor,seeinginthedark,.,_shoeswithlights_for?,8.PaperwasinventedinChina,almostathousandyearsago,.,_paper_inChina?,used,Whatwere,Whenwasinvented,对划线部分提问7.Shoeswithlightswereus,26,4a,Practice,Rewritethesentencesusingthepassivevoice.,点拨:原句为一般过去时态,原句的谓语动词为,sold,,宾语为,thefridge,;改为被动语态时,应将,thefridge,作主语,谓语动词用,wassold,的形式。,1.Theysoldthefridgeatalowprice.,_,Thefridgewassoldatalowprice.,4aPracticeRewritethesentencesu,27,点拨:分析原句的句子结构可知,,stole,是谓语动词,,mycamera,是句子的宾语;改为被动语态句时,应将,mycamera,作句子主语,谓语动词用,wasstolen,的形式。,2.Somebodystolemycamera,frommyhotelroom.,_,_,Mycamerawasstolenfrommyhotelroom.,点拨:分析原句的句子结构可知,stole是谓语动词,myca,28,3.Wheredidyoutakethesephotos?,_,4.Ourparentsadvisedusnottogooutalone.,_,5.Differentwriterstranslatedthebookintodifferentlanguages.,Wherewerethesephotostaken?,Wewereadvisedbyourparentsnottogooutalone.,Thebookwastranslatedintodifferentlanguagesbydifferentwriters.,3.Wheredidyoutakethesephotos?W,29,1.You_tothepartylastnight,werentyou?Whydidntyougo?,2.Theearthquakehappenedallofasudden,butluckilythevillagers_toasafeplace.,wereinvited,eat,like,invite,tell,lock,ring,break,bring,werebrought,4b,Completethesentenceswithcorrectformsoftheverbsinthebox.,句子主语,you,与,invite,之间存在被动关系。,villagers,与,bring,之间存在被动关系,1.You_tothepartylas,30,3.Thedoor_whenwearrived,sowe_thebell.,4.Thestudents_nottoeatordrinkinclass,butRuby_therulewhenshestartedeatingabiscuitinscienceclass.,5.Thecookies_bythehungrykidsinlessthan20minutes,andtheyreally_them.,waslocked,rang,broke,weretold,wereeaten,liked,thedoor,与,lock,之间为被动关系;而,we,与,ring,之间则为主动关系;其他各题相同。,3.Thedoor_whenwearri,31,Thetelephone_(invent)byAlexanderGrahamBell.He_(born)in1847.Mr.Bell_(work)ontheinventionofthetelephonewithThomasWatson.,wasborn,wasinvented,worked,Decidewhetheractiveorpassiveformsshouldbeusedinthesesentence.Writethecorrectformsintheblanks.,4c,thetelephone,与,invent,之间存在被动关系;,Mr.Bell,与,work,之间是主动关系。,Thetelephone_(inv,32,In1875,Mr.Bell_(learn)howtosendmusicalnotesthroughaninstrumentsimilartoatelephone.Finally,thetelephone_(invent)in1876.Thefirstsentencethat_(say)onthetelephonebyMr.Bellwas“Mr.Watson,comehere;Iwanttoseeyou.”Todaythetelephone_(use)aroundtheworld.,learned,wasinvented,wassaid,isused,Mr.Bell,与,learn,之间为主动关系。,In1875,Mr.Bell_(learn),33,Homework,补全下列主动句变被动句。,1.Jennyputherclothesinthesuitcaselastnight.,Herclothes_,was,_,_,put,_,_inthesuitcaselastnight.,2.ThetwinssanganEnglishsongthatday.AnEnglishsong_,was,_,sung,bythetwinsthatday.,3.Didtheybuildabridgehereayearago?,_,Was,_abridge_,built,_,_herebythemayearago?,4.Theysoldoutthelightgreendressesyesterday.Thelightgreendresses_,were,_,sold,_,_out.,Homework补全下列主动句变被动句。,34,
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