一般现在时的被动语态ppt课件.ppt

一般现在时的被动语态,重点:掌握被动语态的基本结构及主动语态与被动语态之间的转化,1,孙悟空打白骨精(执行者)(谓语动词的主动形式)(承受者),白骨精被孙悟空打(承受者)(执行者),2,examples,Studentscleantheclassroom.动作执行者谓语动词主动形式动作承受者Theclassroomiscleanedbystudents.动作承受者谓语动词被动形式动作执行者,3,被动语态的结构:be+V-ed(动词过去分词),Wecleantheclassroom.v.Theclassroomiscleanedbyus.be+V-ed,4,同步练习一Tommakesthekite.(主动语态)Shewatersflowers.(主动语态),5,主动语态转换被动语态1.带双宾语的谓语动词(若将间接宾语转化成主语,则保留直接宾语.若将直接宾语转化成主语,则在被保留的间接宾语前加介词to或for.)如:Shegivesmeabook.Abookisgiventomebyher.Iamgivenabookbyher.即刻操练:Herfatherbuysheranewbike.Anewbikeisboughtforherbyherfather.Sheisboughtanewbikeforherfather.,6,为什么用被动语态?1.强调动作的承受者.Chineseisspokenbymoreandmorepeople.2.不知道动作的执行者是谁.ThiswatchismadeinChina.3.没有必要指出动作的执行者是谁.Moretreesareplantedeveryyear.,7,2.变被动语态后的动词形式的选择主动句中,动词see,hear,watch,notice和使役动词make,let,have后跟省略to的不定式,变为被动句时,应加上不定式符号to.如:Hemakesthegirlstayathome.Thegirlismadetostayathomebyhim.练习:WeoftenhearhersinginEnglish.SheisoftenheardtosinginEnglish.,8,3.主动形式表被动意义的词:a.某些感官动词如look,feel,smell,sound,taste如:Thecoatfeelssoft.b.某些及物动词+副词如:Thepenwritessmoothly.练习:1)Thesong_(听起来)beautiful.2)Thebook_(卖)well.,9,课后练习,句型转化:MoreandmoreforeignersspeakChineseintheworldnow.Chinese_bymoreandmoreforeignersintheworldnow.单选:1.English_inmanycountries.A.isspeakB.isspokeC.isspokenD.isspeaking2.Thetreesinourschool_everyFridayafternoon.A.arewateredB.arewateringC.haswateredD.werewatered3.Thesewords_ineverydayEnglish.A.areoftenusedB.usedoftenC.oftenareusedD.oftenuse4.Historyismade_people.A.fromB.inC.ofD.by5.YoumaywatchTVassoonasyourhomework.A.finishesB.isfinishedC.finishe