九年级英语：Unit9-When-was-it-invented-Section-A课件-人教版新目

Whenwasitinvented?Unit9Whatis/are…usedfor?It’s/They’re…usedfor…A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.Pairwork(1c:P68)19761885187619271971A:Whatisthe_______usedfor?B:Itisusedfor___________.talkingwithpeople(talkwithpeople)A:Whatisthe_______usedfor?B:Itisusedfor___________.(study)studyingA:Whatisthe_______usedfor?B:Itisusedfor___________.(count)countingWhataretheyusedfor?Theyareusedforgivinglight.lightbulbsWhoinventedthecar?_______inventedthecar.KarlBenzKarlBenzThecar____________by______.wasinventedhim1885Whenwasitinvented?wasinvented1971It_____________in______.1971BellA:Whowasthetelephoneinventedby?B:Itwasinventedby___.A:Whenwasitinvented?B:Ithinkitwasinventedin__.alarmclockIt’sanannoyinginvention.BecauseitwakesmeupwhenI’msleeping.Ithinkcomputeristhemosthelpfulinvention.BecauseithelpsmesearchtheinformationthatIneed.highheelsadjustableheelsadjustable可调整的icecreamscoopheat加热scoopslippersabatterybatteriesoperate操作Whoweretheyinventedby?Whataretheyusedfor?adjustable可调整的operate操作heat加热ListeningListenandnumbertheinventionsintheorderthatyouhear.2a312InventionWhowasit/weretheyinventedby?Whatisis/aretheyusedfor?shoeswithadjustableheelsChelseaLanmonscoopingreallycoldicecreambattery-operatedslippersJayceCoziarandJamieEllsworthseeinginthedarkheatedicecreamscoopJulieThompsonchangingthestyleoftheshoesListenagainandfillintheblankswiththewordsyouhear.2bA:Whatarethose?B:Theyarebattery–operatedslippers.A:______aretheyusedfor?WhatB:They_______forseeinginthedark.A:That’scool!____weretheyinvented____?B:JulieThompson.Andlookatthisheated________________.A:Iknowwhatit’sfor.It’susedfor_________outreallycoldicecream.areusedWhobycoldicecreamscoopingB:Right.It____________byChelseaA:Myfavoritearethoseshoeswith________heels.Youknow–youcanmovetheheels____and______updown.Theywereinvented___JayceCoziarandJamieEllsworth.wasinventedadjustablebyB:Andwhataretheyusedfor?A:Well,youcanchangethe____ofyourshoes.Youcan______theshoesgofromcasualtodressy.LanmonstylemakeshoeswithadjustableheelsWhatarethey?Whoweretheyinventedby?JayceCoziarandJamieEllsworthchangingthestyleoftheshoes.Whataretheyusedfor?Practice:battery-operatedslippersJulieThompsonseeinginthedarkWhatarethey?Whoweretheyinventedby?Whataretheyusedfor?heatedicecreamscoopChelseaLanmonscoopingcoldicecreamWhatisit?Whowasitinventedby?Whatisitusedfor?用“invented”或“usedfor”填空.1.Whatareelectricslippers_______?2.Whowereshoeswithadjustableheels________by?3.Whenwastea________?4.Whataremicrowaveovens_______?5.Whenwerepotatochips________?usedforinventedusedforinventedinventedA:Look!Thislookssointeresting!B:Ah,it’sagreatinventionofChina.A:Really?When______it_________?B:Ithinkit_______________inHanDynasty.(汉朝)A:What______it______for?B:Guess!A:______it______forholdingwater?B:No.It___________fortestingearthquakes.A:Wow,it’sreallyamazing!wasinventedwasinventedisusedIsusedisusedabacusinthesixcenturyChinesecalculatingWhattelescopeWhen1609WhoGalileoUsewatchingstars（ThePassiveVoice).主动语态与被动语态：英语动词有两种语态,即主动语态(TheActiveVoice)与被动语态（ThePassiveVoice)。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。e.g.1.TheymaketrainsinZhuzhou.TrainsaremadeinZhuzhou.2.Thefarmersgrowcottoneveryyear.Cottonisgrownbythefarmerseveryyear.主动语态被动语态主动语态被动语态e.gManypeoplespeakEnglish.Englishisspokenbymanypeople.主动语态变被动语态的步骤：1、主动语态的宾语变为被动语态的主语；2、主动句的谓语动词变为被动结构；3、主动句的主语变为被动句的宾语，由by引出，当不强调动作的执行者时，常省略。4.其它成分不变。变被动语态时需要注意的事项•一变•二套•三注意宾变主，主变宾，宾语前面by跟，谓语动词变过分，不忘前面be动词跟套时态，主被动时态一致注意因人称的变化而引起的主谓一致问题。各种时态的被动语态的构成：1.一般现在时态am,is,are+过去分词2.一般过去时态was,were+过去分词3.一般将来时态will/am.is.aregoingto+be+过去分词4.过去将来时态would/was.weregoingto+be+过去分词5.现在完成时态have,has+been+过去分词6.过去完成时态had+been+过去分词7.现在进行时态am,is,are+being+过去分词8.过去进行时态was,were+being+过去分词9.含情态动词的情态动词+be+过去分词所有时态的被动语态否定就是在最前面的助动词后加not疑问就是把最前面的助动词提前。ManytreesarenotbeingplantednowAremanytreesbeingplantednow?把下列的句子变为被动语态的句子：1、TheyspeakEnglishinCanada.2、Peopleusedwoodformakingtables.3、TheyaremakingcomputersintheUSA.EnglishisspokeninCanada(bythem).Woodwasusedformakingtables.ComputersarebeingmadeintheUSA.把被动句变否定Computersaren’tbeingmadeintheUSA.4、TheyhavegrownriceinSouthChina.5.Wemustplantmoretreesnextyear.6.Iamgoingtocleanourclassroomtomorrow.Moretreesmustbeplantednextyear.Ourclassroomisgoingtobecleanedtomorrow.RicehasbeengrowninSouthChina.把被动句变疑问.HasricebeengrowninSouthChina？变被动语态的特殊情况•一、双宾语buy/makesbsth=buy/makesthforsbgivesbsth=givesthtosb1.Myfatherboughtmeacomputer.Acomputerwasboughtformebymyfather.Iwasboughtacomputerbymyfather.2.Hegivesmeabook.Abookisgiventomebyhim.IamgivenabookbyhimSth+be+过去分词+for/tosb+bysb.Sb+be+过去分词sth+bysb二、无to不定式•一感二听•三让•四看feellistento.hearlet.have.makewatch.see.lookat.notice变为被动时加上toeg.Weoftenseehimplaybasketball.Heisoftenseentoplaybasketballbyus.Thebossmadethechildrenworkforlong.Thechildrenweremadetoworkforlongbytheboss.三、注意动词短语的•常考到的动词短语有完整性•takecareof•lookafter•listento•speaktoeg.1.Weshouldspeaktotheoldpolitely.Theoldshouldbespokentopolitely.2.Thenursetakesgoodcareofthebaby.Thebabyistakengoodcareofbythenurse.四、无被动语态的动词。•不及物动词及系动词•happen•takeplace•die•rise•cometrue•comeouteg.1.Anaccident(happ