unit9SectionA1.ppt

Unit9Whenwasitinvented?SectionAPeriod1,重点句型1.Whowasthetelephoneinventedby?ItwasinventedbyBell.电话是谁发明的？电话是贝尔发明的。2.Whenwereelectricslippersinvented?Theywereinventedlastyear.电拖鞋是什么时候被发明的？它们是去年被发明的。3.Whataretheyusedfor?它们是用来做什么的？,4.Theyareusedforseeinginthedark.它们是用来在黑暗中看东西的。5.TeawasntbroughttotheWesternworlduntil1610.直到1610年茶才被带到西方世界。6.Ipreferlemonstooranges.Ilikethesourtaste.我喜欢柠檬胜过橙子。我喜欢酸味。,GrammarFocus(P69),Thepassivevoice被动语态在被动语态的句子中,谓语部分的结构是be+过去分词。被动语态的句子的时态变化反映在be动词上。也就是说,把一个句子做成被动语态的句子,只需要写出be动词的所需时态,再加上所给动词的过去分词就行了。,当然,这只是指谓语部分而言。我们知道,be动词作为一个独立的谓语动词有自己现在分词(being)和过去分词(been)。那么,下面我们来看看be在各种时态中的变化形式：,一般现在时am/is/are一般过去时was/were一般将来时shall/will+be过去将来时would/should+be现在进行时am/is/are+being过去进行时was/were+being现在完成时have/has+been过去完成时had+been,lightbulb,Whenweretheyinvented?,Whatisitcalled?,bike,microwaveoven,alarmclock,Listening(1b:P68),1876年,1885年,1927年,1971年,1976年,Tapescript,Alice:Lifemusthavebeendifficultwhenyouwereakid.Woman:Oh,notreally.Whydoyousaythat?Alice:Well,youdidnthavemanymoderninventions.Like,youprobablydidnthaveatelephone,right?Woman:Ofcoursewedid!HowolddoyouthinkIam?thetelephonewasinventedin1876.,Alice:Howaboutcars?Ibetcarswerentinventedyet.Woman:Suretheywere.Carswereinventedin1885.Myfamilyhadacar.Ithinkyouneedtotakeahistoryclass,Alice.Alice:Ha,ha!Well,didyouhaveaTV?Woman:No,Wedidnt.TheTVwasinventedaround1927,Ithink.Somefriendsofminehadone.,Butinthosedays,TVswerereallyexpensive,andwecouldntaffordone.Alice:AndIbetyoudidnthavecalculatorsandcomputersandstuff.ThatssomethingIdoknow.Welearnedinschoolthathand-heldcalculatorswereinventedin1971andpersonalcomputerswereinventedin1976.,Woman:Youareright.IdidnthavethosethingswhenIwasyoung.ButIdonow!,Sampledialogues:A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.A:Whenwasthecarinvented?B:Ithinkitwasinventedin1930.Ithinkitwasinventedafterthetelephone.,Pairwork(1c:P68),C:Idontthinkso.Ithinkitwasinventedin1873,soitwasinventedbeforethetelephone.,D:Idontagree.Ithinkitwasinventedin1885anditwasinventedafterthetelephone.,Listening(2a,2b:P69),3,1,2,scoopingreallycoldicecream,shoeswithadjustableheels,JayceCoziarandJamieEllsworth,changingthestyleoftheshoes,battery-operatedsnakers,JulieThompson,seeinginthedark,heatedicecreamscoop,Lanmon,Chelsea,Boy:Whatarethose?Girl:Theyrebattery-operatedslippers.Boy:Whataretheyusedfor?Girl:Theyreusedforseeinginthedark.Boy:Oh,thatscool!Whoweretheyinventedby?Girl:JulieThompson.Andlookatthisheatedicecreamscoop.Boy:Iknowwhatitsfor!Itsusedforscoopingoutreallycoldicecream.,Tapescript,Girl:Right.ItwasinventedbyChelseaLanmon.Boy:Myfavoritearethoseshoeswithadjustableheels.Youknow-youcanmovetheheelsupanddown.TheywereinventedbyJayceCoziarandJamieEllsworth.Girl:Andwhataretheyusedfor?Boy:Well,youcanchangethestyleofyourshoes.Youcanmaketheshoesgofromcasualtodressy.,OralPractice(2c:P69),Sentencepattern:Whatisit/aretheyusedfor?Whowasit/weretheyinventedby?Itis/Theyareusedfordoing.Itwas/Theywereinventedby.,Sampledialogues:A:Whatisthis?B:Thisisaheatedicecreamscoop.A:Whatisitusedfor?B:Itisusedforscoopingreallycoldicecream.A:Whowasitinventedby?B:ItwasinventedbyChelseaLanmon.,1.世界上许多国家都讲英文。Englishisspokeninmanycountriesallovertheworld.2.纸是中国发明的。PaperwasinventedinChina.3.这栋大楼是去年建造的。Thebuildingwasbuiltlastyear.,Makesentences,4.他父亲不会让他娶玛丽为妻的。Hewontbeallowed,byhisfather,tomarryMary.5.他们结束训练时将被派往部队。Theywouldbesenttothearmywhentheyfinishedthetraining.,6.这个计划正在执行中。Theprojectisbeingcarriedout.,8.这本小说已被译成了几种语言。Thisnovelhasbeentranslatedintoseverallanguages.,7.那时这案子正在调查中。Thecasewasbeinginvestigatedthen.,9.他们说生产成本已经下降了。Theysaidthatproductioncostshadbeenreduced.,beusedfordoingsth.意思是“被用来做某事”，强调用途或作用。练习：.根据汉语提示完成英语句子，每空一词。(1)伞是用来遮雨的。Theumbrellaisused_yourselffromrain.(2)我习