unit1_Great_Scientists-Grammar - 副本.ppt

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1、GrammarUnit1GreatscientistsThePastParticipleTheparticipleusedasattribute1.Fromthestomachthediseasequicklyattackedthebodyandsoontheaffectedpersondied.2.Heimmediatelytoldtheastonishedpeopleinbroadstreettoremovethehandlefromthepumpsothatitcouldnotbeused.3.

2、Withthisextraevidencejohnsnowwasabletoannouncewithcertaintythatpollutedwatercarriedvirus.4.Thewatercompanieswereinstructednottoexposepeopletopollutedwateranymore.Theparticipleusedaspredicative1.Hebecameinterestedintwotheories...2.Hewasdeterminedtofindou

3、twhy.3.hefoundsupportingevidencefromtwootherdeathsthatwerelinkedtotheBroadStreetoutbreak.1.作定语2.作表语过去分词1)在句中的位置：a.单个的过去分词作定语时，位于它所修饰的名词或代词前面theaffectedpeopleabrokenheartalostdogarisensunabrokenglass受感染的人一颗破碎的心丧家之犬已升起的太阳被打破的玻璃杯一、过去分词作定语一支点燃的蜡烛一枚用过的邮票一个醉鬼

4、AlightedcandleAusedstampAdrunken/drunkmanb.过去分词短语作定语：通常后置，其作用相当于定语从句。1.peopleexposedtocholera2.thebookboughtbyJack3.themachinesproducedlastyear=peoplewhowereexposedtocholera=thebookwhichwasboughtbyJack=themachineswhichwereproducedlastyearPRACTICEThebook

5、whichiswrittenbyHanHanispopularwithstudents.Theboywhoisinjuredcannottakepartinthesportsmeeting.位于系动词后，不表示“被动”或“完成”，而是表示主语的状态、特点或思想感情等。相当于形容词1.Theyareexcited.2.Helookedworriedafterreadingtheletter.3.Whenweheardofthis,weweredeeplymoved.二.过去分词作表语Practice玻璃

6、破了。 　　 我们的教室很拥挤。地上覆盖着雪。Theglassisbroken.Ourclassroomiscrowded.Thegroundiscoveredwithsnow.Thelibraryisclosed.Thelibraryisclosedbytheteacher.V-ed作表语表主语的状态，被动语态表示被动的动作。“系动词+过去分词（系表结构）状态（系表结构）动作(被动语态）区别Myglassesarebroken.Myglasseswerebrokenbymylittlebroth

7、er.状态动作PastParticipleasanattributePastParticipleasthepredicative1.terrifiedpeople2.reservedseats3.pollutedwater4.acrowdedroom5.apleasedwinnerpeoplewhoareterrifiedof2.seatswhicharereserved3.waterthatispolluted4.aroomthatiscrowded5.awinnerwhoispleasedComp

8、letethetablewithphrasesthathavethesamemeaning.(P5)2PastParticipleasanattributePastParticipleasthepredicative6.childrenwhoareastonishedat/by…7.avasethatisbroken8.adoorthatisclosed9.theaudiencewhoaretiredof…10.ananimalthatistrapped