Unit9Whenwasitinvented?（导学稿1）TeachingTopicGrammarTeachingstyleNewwrittenbyGuoYunyunTeachingaims1.Tolearn“bedone”.2.Touse“bedone”well.Teachingdifficultandimportantpoints1.Howtounderstand“bedone”anduse“bedone”.2.Somekindsof“bedone”.TeachingStepsStudents’ActivitiesTeacher’sActivities一.预习指导语法:“bedone”1.尝试翻译下列句子Whenwasthecomputerinvented?Whoweretheyinventedby?Theywereusedforseeinginthedark.2..写出下列时态的被动形式：一般现在时一般过去时情态动词二合作探究学一学1.语态：动词的语态表示主语与谓语之间的关系。2.英语语态种类：主动语态和被动语态（1）主动语态含义：表示主语是动作的发出者。（2）被动语态含义：表示主语是动作的承受者。3.汉语例子主动：他们三天之内能修完这些机器。被动：这些机器能被他们在三天之内修完。主动：每年我们在我们的家乡种许多树。被动：每年许多树在我们的家乡被我们种。主动：昨天Tom吃了一个蛋糕。被动：昨天一个蛋糕被Tom吃了。4.英语被动语态的主要形式：(1)主体形式：助动词be+done(2)具体形式：(1)含情态动词的被动语态：情态动词+be+done(2)一般现在时的被动语态：am/is/are+done(3)一般过去时的被动语态：was/were+done英语例子：(1).Thesemachinescanbefinishedmendinginthreedays.(2).Tomshouldbeaskedtocleantheroomagain.(3).Manytreesareplantedinourhometownbyuseveryyear.(4).AwhitedogisseenbyLucyeveyday.(5).Acakewaseatenbyusyesterday.(6).ThecarsweredesignedbyNacylastyear.练习把下列句子变为被动语态：(1).Wecanusethisroomtostoresomeoldthings.Thisroom__________________tostoresomeoldthings.(2).Heinvitedmetohishouseyesterdaymorning.I______________tohishouseyesterdaymorning.(3).Todayweseecomputersallovertheworld.Todaycomputers____________byusallovertheworld.5.拓展你能写出下列时态的被动语态吗？一般将来时过去将来时现在进行时过去进行时现在完成时三练一练即时练习：()1.I’msurethetelephone_______beforethecar.inventedB.isinventedC.wasinventedD.isinventing()2.Manyflowers_____inourschooleveryyear.areplantingB.areplantedC.wereplantedD.isplanted()3.Doyoubelivethatthepicture____byalittlegirl?A.drewB.aredrawnC.drawsD.isdrawn()4.___studentsallowedtousemobilephoneatschool?A.DoB.DidC.AreD.Can()5.Nowcomputers_____allovertheworld.A.areusedB.wereusedC.haveused()6.Youngtreesshouldbe____.A.takengoodcareofB.TakegoodcareC.lookingafterwell.D.welllookafter()7.Bikemustn’t_____everywhere.A.beupB.beputC.putD.putting()8.Stamps_____bypeopleforsendingletters.useB.usingC.usedD.areused()9.Alltreesmust_____wellwhenitistry.A.bewaterB.wateringC.waterD.bewatered()10.I_____tothegardenlastweekend.A.inviteB.invitedC.aminvitedD.wasinvited()11.Childrenshould_____getonwellwithothers.A.teachhowtheyB.teachhowtoC.betaughthowtoD.taughtto综合练习1.It’susedforthewaterleftinthepool.A.scoopingB.scoopedC.scoopD.scoops2.Theyusepenstowrite.Pens________________towrite.3.Keys_________(use)forlockingdoors.4.Theknife_________________(用于)cutting.四当堂检测：()1.Youngtreesshouldbe____.A.takengoodcareofB.TakegoodcareC.lookingafterwell.D.welllookedafter()2.Bikemustn’t_____everywhere.A.beupB.beputC.putD.putting()3.Stamps_____bypeopleforsendingletters.A.useB.usingC.usedD.areused()4.Alltreesmust_____wellwhenitistry.A.bewaterB.wateringC.waterD.bewatered()5.I_____tothegardenlastweekend.A.inviteB.invitedC.aminvitedD.wasinvited()6.Childrenshould_____getonwellwithothers.A.teachhowtheyB.teachhowtoC.betaughthowtoD.taughtto()7.Alotoftallbuildings_____inhishometowninthelastthreeyears.A.havesetupB.havebeensetupC.weresetupD.setup()8.Ri...
