人教版九年级英语Unit 9 When was it invented？课件.ppt

Whenwasitinvented?,Unit9,Whatisinvention?,Aninventionisanewthingthatsomeonehasmade.,Whenwasitinvented?,1896,1939,1709,英语中的动词有两种语态：主动语态(TheActiveVoice)和被动语态(ThePassiveVoice)。主动语态中，主语是谓语动作的执行者，被动语态中，主语是谓语动作的承受者。被动语态的构成：be+及物动词的过去分词,被动语态(ThePassiveVoice),一般现在时态的被动语态：am/is/are+p.p一般过去时态的被动语态：was/were+p.p一般将来时态的被动语态：willbe+p.p现在完成时态的被动语态：have/hasbeen+p.p现在进行时态的被动语态：am/is/arebeing+p.p过去完成时态的被动语态：hadbeen+p.p含有情态动词的被动语态：can/may/mustbe+p.p,被动语态(ThePassiveVoice),主动句变被动句的方式：主动句：主语+及物动词谓语+宾语被动句：主语+be+过去分词+by宾语Ourteacherlovesherstudents.Herstudentsarelovedbyourteacher.,被动语态(ThePassiveVoice),请把下列主动句变为被动句。Theyproducedthatkindofcar.Theworkersbuiltabridgeovertheriver.Mothertellsmeastoryeveryday.,Thatkindofcarwasproducedbythem.,Abridgewasbuiltbytheworkersovertheriver.,IamtoldastorybyMothereveryday.,Whatorderdoyouthinktheywereinvented?Numberthem15,1,2,3,4,5,Listenandmatchtheinventionswiththedates.,a,b,c,e,Whenwasthetelephone?,Ithinkitwasinventedin1876.,Listenandnumbertheinventionsintheorderyouhearthem.,1,2,3,ListenagainandmatchtheitemsincolumnsA,BandC.,beusedfor被动语态,“被用来做”。介词for表目的用途,可接名词或动名词形式。e.g.Thewoolensweaterisusedforkeepingwarm.毛衣是用来保暖的。,Explanation:,car/1885/HenryFord/travelfast,fridge/1862/Harrison/keepfoodfresh,washingmachine/1858/Smith/washclothes,Explanation:,1.annoyingadj.讨厌的,恼人的(往往指事物)e.g.Howannoyingitis!真讨厌。annoyedadj.生气的,恼怒的(往往指人)e.g.Myfatherisannoyedwithme.爸爸在生我气。,Explanation:,2.helpfuladj.有帮助的,有益的e.g.Mr.Whiteisaveryhelpfulman.构词法：n+fuladj再如:use+fulusefulthank+fulthankfulbeauty+fulbeautifulcare+fulcareful,microwaveoven,alarmclock,lightbulb,Discuss:,IthinkthemosthelpfulinventionisIdliketohaveabecauseIcouldItsusedforIalsowantabecauseit,Exercises:句型转换,1.Shewasseentocomeoutofthelibrarybyhim.（变为主动语态）He_outofthelibrary.2.Whenaretreesoftenplanted.（变为主动语态）When_peopleoften_?3.TheLeaguewasfoundedinGuangzhouin1922.（就画线部分提问）_theLeague_?,sawhercome,planttree,do,Whenandwherewas,founded,Exercises:句型转换,4.Didthestudentsweartheschoolclothesalot?（变为被动语态）_theschoolclothes_alot?5.Katetookgoodcareofthebabyyesterdayevening.（变为被动语态）Thebaby_goodcareof_Kateyesterdayevening.,wastaken,by,Were,worn,sour,sweet,lemon,icecream,sweet,sweet,tea,potatochips,crispy,salty,Listenandcircle“T”or“F”.,1bListenandcompletethesentences.,A:Idliketo_outside.B:Youcouldhelpclean_thecityparks.2.A:Idliketo_homelesspeople.B:Youcouldgive_foodatthefoodbank.3.A:Idliketocheer_sickkids.B:Youcould_theminthehospital.4.A:Idliketohelpkids_theirschoolwork.B:Youcould_inanafter-schoolstudyprogram.,up,work,help,out,up,visit,with,volunteer,Explanation:,Mistake作名词“错误，误会”。也可以作动词“弄错，犯错”。常见形式：makeamistake出错e.g.Youhavemadeamistakehere.你这儿犯了一个错误。mistakefor错把当作Theymistookhimforhisbrother.他们错把他认作他的兄弟。bymistake错误地e.g.Theysentthelettertomebymistake.他们误把那封信送到了我这儿。,Answer:,根据答案写问题。1.Q:_Thestovewasinventedin1896.2.Q:_TheWrightbrothersinventedtheairplane.3.Q:_Thewashingmachineisusedforwashingforwashingclothes.4.Q:_ThewashingmachinewasinventedbyFisher.5.Q:_Thehelicopterwasinventedin1939.,Whenwasthestoveinvented?,Whoinventedtheairplane?,Whatisthewashingmachineusedfor?,Whowasthewashingmachineinventedby?,Whenwasthehelicopterinvented?,Readandanswer:,1.Whatisthearticleabout?2.Whenwasitinvented?3.Whowasitinventedby?4.Howwasitinvented?,Thearticleisabouttheinventionoftea.,Itwasinventedoverthreethousandyearsago.,ItwasinventedbytheChineseemperor,ShenNong.,Itwasinventedbyaccident.,1.byaccident偶然地，碰巧与bychance同义。e.g.X-raysfirstdiscoveredbyaGermanscientist,WilliamKonradRontgen,in1895,almostbyaccident.X射线是1895德国科学家威廉、康拉德，伦琴几乎是在碰巧的情况下首先发现的。2.accordingto“根据”是一介词短语e.g.Accordingtothepapers,therewasabigfireinLondon.据报道，伦敦发生了火灾。,Explanation:,3.notuntil“直到才”用于notuntil结构中的主句谓语多为短暂性动词。e.g.Wedidntfinishtheworkuntilyesterdayevening.我们昨天晚上才做完这项工作。注：until的主句中也可以用延续性动词，此时until不与not连用，表示“直到为止”。e.g.Iwillwaituntilhereturns.我将等到他回来。,3bReadandanswer:,1.Whoinventedflyingdisks?2.Whenweretheyinvented?3.Whatdidthecollegestudentsuseforflyingdisks?4.Wherewerethemetalpieplatesfrom?5.Howweretheflyingdisksinvented?,Collegestudentsinventedflyingdisks.,Theywereinventedin1950s.,Theyusemetalpieplatesforflyingdisks.,TheywerefromabakeryBridgeport,Connecticut.,Thecollegestudentsatepiesandthenthrewpieplates.,Writing:,Fillintheblanks:,sweet,salty,sour,crispy,动词填空：TheTV_(invent)around1927.Theyareusedfor_(see)inthepark.Thiskite_(make)byUncleWang.Tea_(discover)alongtimeago.Ourclassroom_(shouldclean)everyday.,wasinvented,seeing,wasmade,wasdiscovered,shouldbecleaned,根据汉语完成句子：_thecomputer_(什么时候发明的)？2._wasthecar_(谁发明的)？3.Apen_(用来做)writing.4.Whatdoyouthinkis_(最有帮助的发明)？5.Hesaidthefishwas_(足够咸).,Whenwas,isusedfor,invention,themost,saltyenough,Who,invented,by,invented,helpful,找出下列短语1.周游中国2.一个叫JamesNaismith的加拿大医生3.在室内玩4.在长长的冬天期间5.在坚硬的木制地板上6.撞在某人身上,travelaroundChina,aCanadiandoctornamedJamesNaismith,playindoors,duringthelongwinters,onahardwoodenfloor,knockintosb.,Answerthequestions:1.Whoinventedbasketball?2.WhyweretheBer