Unit3Grammar公开课教学设计(二)Title:分词作状语的两个条件目的要求1.让学生根据分词作状语的特征学会判断分词是否作状语.2.让学生掌握分词作状语的解题技巧.重点难点1.如何判断一个分词在句中充当状语。.2.在分词作状语中,如何选择过去分词还是现在分词.TeachingProcessTeachingMethodsStep1LeadinShowtwosentencestostudentsandthenleadinthetopicofthisperiod.1.Whenyouarecrossingtheroad,youshouldbecareful.=Crossingtheroad,you⋯2.WhenIwasplayingthepiano,someonesuddenlyknockedatthedoor.Playingthepiano,someone⋯(False)Step2:ReadandfindAskthestudentstoreadthefollowingsentencesandthinkoverthequestion.分词作状语有何特征?1.Workinghard,youwillsucceed.2.Givenmoretime,Iwoulddoitbetter.3.Hisfatherdied,leavingthefamilyevenworseoff.总结1.分词的逻辑主语为该主句主语。2.通常有一个逗号与主句隔开,主句前没有并列连词如so,and,but,or等。3.可放句首或句末。Exercise1:TrueorFalseStudyinghard,andyouwillmakegreatprogress.(False)Howtocorrectit?Task-basedteachingmethod;Multimedia.Studyinghard,youwillmakegreatprogress.Studyhard,andyouwillmakegreatprogress.Step3:CompareAskstudentstocomparethefollowingsentencesandthendrawaconclusion.1.Working(work)hard,youwillsucceed.2.Giving(give)moretime,Iwoulddoitbetter.分词作状语时,必备两个条件:1.分词的逻辑主语必须与句子的主语一致;2.分词与主句的主语关系是主动关系或被动关系。Exercise2TrueorFalse1.Askedwhyshewaslate,herfacewentred.(False)2.Askedwhyshewaslate,shewentredintheface.(True)3.Seenfromthehill,thecitylookslikeabiggarden.(see)4.Seeingfromthehill,youcangetthewholetown.(see)Step4:解题注意的方面Showthefollowingsentencestostudentsandthenaskthemtothinkaboutwhattheyhaveincommon.1.Generallyspeaking,themoreyoupay,themoreyouget.2.Dressedinred,shelooksmorebeautiful.1.有些短语是固定搭配,不受主语影响。如:considering,comparedwith,judgingfrom(by)supposing/providingthat,generallyspeaking2.有些过去分词作状语时已形容词化,不表被动或完成,而表主语的状态。如:beseated(坐);hidden(躲);belost/absorbedin(沉溺于);bedressedin(穿着);betiredofbeworriedabout;besatisfiedwith;beinterestedinStep5:SummaryAskstudentstomakeaconclusionaboutthecontentofthisperiod.一.分词作状语的两个条件?1.分词的逻辑主语必须与句子的主语一致;2.分词与主句的主语关系是主动关系或被动关系。二.分词作状语时,如何解题?1.找关系:与主语是主动还是被动2.牢记特殊情况:A.固定搭配B.某些过去分词作状语时表主语的状态。课后反思