现在进行时的被动语态 教案.doc

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1、Unit4WildlifeProtectionLearningaboutGrammarTeacher:ChenYumeiTeachingtime:Mar31th.2013Teachingplace:Class16Grade1No4MiddleSchoolTeachingcontents:WildlifeProtectionLearningaboutGrammarTeachingTape:Newlesson一．知识目标1.Getstudentstoknowthestructureofthepresent

2、progressivepassivevoice.2.Letstudentslearntheusagesofthepresentprogressivepassivevoice.二．能力目标Enablestudentstousethepresentprogressivepassivevoicecorrectly.三．情感目标Getstudentstobecomeinterestedingrammarlearning.四．教学重点Getstudentstomasterthestructureandusage

3、softhepresentprogressivepassivevoice.五．教学难点Enablestudentstolearnhowtousethepresentprogressivepassivevoicecorrectly.六．教学方法。1.Task-basedteachingmethod2.Cooperativelearning.七．教学过程。Step1.Grammarrevision1.Thestructureofthepassivevoice.Be+Ved(注意：三变：宾语变主语，主语变宾

4、语加By,谓语由主动变被动。三不变：原句意思不变，原句时态不变，主谓宾以外的成分不变。)Turnthefollowingintothepassivevoice.Helookedafterthelittlebabyyesterday.Thelittlebabywaslookedafterbyhimyesterday.2.Thestructureofthepresentcontinuoustense.Be+vingeg:IamwatchingTV.Step2Lookatthefollowingsenten

5、ceandpayattentiontotheunderlineparts.1.Wearebeingkilledforthewoolbeneathourstomachs.2.Ourfurisbeingusedtomakesweatersforpeoplelikeyou.3.Iwonderwhatisbeingdonetohelpyou.4.Daisyturnedaroundandfoundthatshewasbeingwatchedbyanelephant.5.Sogoodthingsarebeingd

6、oneheretosavelocalwildlife.Step3Summary：现在进行时的被动语态1.构成：am/is/are(not)+being+V-过去分词2.意义：………正在被做.e.g:1.Theyarebuildinganewlibrarynow.被动Anewlibraryisbeingbuiltnow.2.Someanimalsarebeingprotectedwell.否定句Someanimalsarenotbeingprotectedwell.3.Thebridgeisbeingr

7、epairednow.疑问句Isthebridgebeingrepairednow?用法：（1）表示说话时正在进行的被动动作,强调主语是动作的承受者。e.g.Sheisbeingexaminedbythedoctornow.练习：瞧！这个婴儿正由他的姑姑照料着。Look!Thebabyisbeingtakencareofbyheraunt.2)表示现阶段正在进行的被动动作。但此时此刻不一定在进行的被动动作。E.g.Recently,anewbuildingisbeingbuiltoutsideours

8、chool.练习：目前，这个房子还在粉刷中。Atpresentthehouseisbeingpainting.3、表示一种经常性或习惯性的被动行为，常与always,often,constantly连用，往往带有赞扬、责备、厌烦及埋怨等感情色彩。e.g.Tomisalwaysbeingpraisedbytheteacher练习：我们教室的那扇窗经常被打破。Thewindowofourclassroomisoftenbeingbroken.4)．与情态动词