非谓语动词-现在分词的用法.ppt

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1、Grammarandusage--------ParticiplesOthertypesofwasteflowintoourwater,killingriverandsealife.2.Whenpeoplethinkoffactories,theythinkofcloudsofdirtysmokeorofpipespouringchemicalwasteintorivers.3.Theythinkofgreedybusinessmenhidingfromtheirresponsibilitiesandonlyworryingabo

2、utmoney.4.WhatIamheretosayisthathavingworkedwithmanyenvironmentalconsultants,Iknowthatahealthyenvironmentanddevelopmentshouldbepossibleatthesametime.5.Askingaround,Ifindmanypeoplewillingtopayalittlehigherpriceforthingsthatarefriendlytotheenvironment.分词：Participles一分词的

3、概述1.分词是“非谓语动词”的另一种形式，它有两种形式：现在分词（PresentParticiple）和过去分词（PastParticiple）。2.现在分词：doing过去分词：规则动词V+ed不规则动词3.分词在句中起形容词和副词的作用。在句中作表语、定语、状语和宾语补足语。PresentParticiple二、现在分词1.语态上：现在分词表主动DoyouknowthewomantalkingtoTom?2.时态上：现在分词表进行Don’twakeupthesleepingboy.PresentParticiple3.现在分词

4、的形式一般式完成式主动语态被动语态doinghavingdonebeingdonehavingbeendonePresentParticiple4.现在分词的功能现在分词具有形容词和副词的特征，可充当表语、定语、宾语补足语和状语。PresentParticiple现在分词作表语现在分词作表语，起形容词作用，说明主语的特征及主语所具备的动作功能，回答how的问题，可以用very，quite，rather，greatly等副词修饰。以下动词的现在分词已经形容词化。disappoint,move,surprise,inspire,exc

5、ite,interest,amaze，frighten，encourage,fascinate等。PresentParticiple1.Thesituationbothathomeandabroadisveryinspiring．3.Thenewswasdisappointing．2.Whathesaidwasveryencouraging．4.Thestoryisthemostfascinating．inspiringencouragingdisappointingfascinatingPresentParticiple现在分词

6、与动名词作表语时的比较1、动名词作表语说明主语的内容，回答what的问题。Whatpleaseshimmostisbathinginthesea.2、动名词作表语，表语和主语几乎处于同等地位，可以互换位置，其句意不变；现在分词作表语，表语和主语则不能互换位置。Ourworkisservingthepeople.Whathesaidisveryinteresting.3、作表语用的现在分词除了和be连用以外，还可以和其它的系动词连用；而作表语的动名词则通常只能和be连用。Hisspeechseemsverymoving.Hisint

7、erestinwritingforthenewspapers.PresentParticiple现在分词作定语现在分词作定语时，和它所修饰的名词存在逻辑上的主谓关系，常可以扩展成一个定语从句。它从以下两个方面来说明中心词。A.表示名词正在进行的动作。1.Don’twakeupthesleepingboy.=Don’twakeuptheboy_________________.whoissleeping2.Therearemanyfactoriesandindustrieswhichcontroltheamountofpolluti

8、ontheyproduce.=therearemanyfactoriesandindustries_________________________________________controllingtheamountofpollutionthe