现在分词作状语-导学案.doc

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1、Book4Unit4GrammarThePresentParticiplesasAdverbials现在分词作状语Learningaims：Bytheendofthisclass,weareable(1)tomasterdifferentkindsofadverbialsthatpresentparticiplescanexpress.(2)tousepresentparticiplesasadverbialscorrectly.Learningprocedures：Stepl:Lead-in(3mins)Appreciateashortpoemandfindout

2、thepresentparticiplesusedasadverbials.Beforemybedthereismoonlight.Sothatitseemsfrostontheground.Liftingmyhead,Iwatchthebrightmoonlight.LoweringmyheadJdreamthatrmhome.Step2:Presentation(32mins)Partl:Changesintenseandvoiceofpresentparticiples(5mins)(现在分词在时态和语态变化)语态时态主动语态被动语态一般式几乎同时完成式有明显

3、时间差主动关系被动关系(1).inthestreet,shesawanoldfriend.A.WalkingB.walkC.havingwalkedD.beingwalked(2).byhisfather,myfriendwasunhappy.A.HavingpunishedB.punishedC.BeingpunishedD.Punishing(3).suchheavypollutionalready,itmaybedifficulttocleanuptheriver.A.HavingsufferedB.SufferingC.TosufferD.Suffered(

4、4).forthreeminutes,thegirlfeltnervous.A.stareatB.BeingstaredatC.HavingbeenstaredatD.TostareatPart2识别现在分词所充当的各种状语(8mins)1.Review:判断V-ing在句中所做的成份%1.Cominglateforschoolisabadhabit.%1.Weshouldavoidtalkingloudlyinalibrary.%1.Theyareexciting.%1.Theyarevisitorscomingfromseveralcountries.%1.Co

5、minglate,thegirlmissedthetrain.2.Observeandthink:现在分词可以做哪些状语？Competition:Recognizetheadverbialsaccordingtotheinformationandtellwhatkindofadverbialitis.)Example:Havingbeentranslatedinto20languages,thebookisfamousallovertheworldnow.(原因状语)%1.Beingill,hecouldn'tcometoschooltoday.()%1.Using

6、yourhead,youwillfindaway.()%1.Havingarrivedatthefactory,theyimmediatelysettowork.()%1Havingacold,theboywenttoschoolasusuaL()(1).Shewassoangrythatshethrewthetoyontheground,breakingitintopieces.()@.Thegirlcameinsmiling/)小结：现在分词可以充当原因条件、时间、让步、结果、伴随或方式状语。其中，、、、常位于句首，、常位于句尾，有时伴随状语或方式状语可谓语句中

7、或句首。Part3现在分词作状语，与状语从句的转换（13mins）1.一句多译：观察并试着总结状语从句怎样转换成分词作状语。（从"分词）Whenwearecrossingtheroad,weoftensay:"Becareful!”Whenwearecrossingtheroad,weoftensay:“Becareful!”Whenwearecrossingtheroad,weoftensay:“Becareful!”II小结：当从句主语和主句主语一致，且从句谓语和主句主语是主动关系时，可以省略状语从句的、当谓语中含有be或助动词do时，也应一起省略），再把谓