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1、ing-形式被动式讲与练语态时态主动语态被动语态一般式完成式(not)doing(not)beingdone(not)havingdone(not)havingbeendone-ing形式的构成V-ing可作:主语、宾语、表语;定语、状语、宾语补足语但不能作谓语(动名词)(分词)(1)作主语⒈Beingofferedsuchajobwasgoodluck．⒉Beingkilledintrafficaccidentsisacommonoccurrence．⒊BeingselectedChairmanofthepartymadehimfeelproud．(2)作
2、宾语⑴Hedislikesbeinginterruptedinhisexperiment．⑵Theycouldn'tstandbeingtreatedlikethat．⑶Shedoesn’trememberhavingeverbeengivenachancetogoabroad．⑷Hecameinwithoutbeingasked．注意：在want，need，deserve，require，等动词及形容词worth后，习惯用动词-ing的主动形式表示被动意义，相当于“tobedone"。如：Thehousewantscleaning．Mywatchneeds
3、repairing．Thewaydeservesmentioning．Theseyoungtreeswillrequirelookingaftercarefully．Thefilmisworthseeing．(3)作表语①Teachingislearning.②Myhobbyismakingmodelplanes.③Whatworriedthechildmostwasnotbeingallowedtovisithismotherinthehospital.-ing形式作表语时放在系动词之后，用来泛指某种动作或行为，以说明主语的身份、性质或情况。(4)作定语T
4、hebuildingbeingrepairedisourdormitory．Thequestionsbeingdiscussedareofgreatimportance．Heaskedwhowasthemanbeingoperatedon.去年造好的桥正在建造的桥将要建造的桥主动被动正在进行doingdonebeingdonetobedone已经完成正在进行将要发生thebridgebuiltlastyearthebridgebeingbuiltnowthebridgetobebuiltsoon注意：做定语时(5)作状语⑴Beingaskedtogiveap
5、erformance,shecouldn’tverywellrefuse.⑵Beingprotectedbyathickwall,theyfelttheywerequitesafe.⑶Havingbeenwarnedabouttyphoon，thefishermensailedforthenearestharbour．⑷Havingbeenaskedtostay，Icouldn'tverywellleave．⑸Havingbeengivensuchagoodchance，howcouldyouletitslipaway?现在分词的完成形式主要用在状语中，表示
6、动作在谓语动作之前发生。强调与谓语动词的动作同时发生时,现在分词之前可用连词when或while:Whenleaving the airport, they wavedagain and again to us.WhilewatchingTVintheroom,Iheardsomeoneknockingatthedoor.Whileflying over the Channel, the pilot saw what he thoughtto be a meteorite（流星）.Whencrossingtheroad,youmustbecareful.在用
7、分词短语作状语时,它逻辑上的主语一般必须与句子的主语一致,但有时它也可以有自己独立的逻辑上的主语,这种结构称为:独立结构独立结构可以表示伴随动作或情况,表示时间、原因、条件等,例如：1Herushedintotheroom,hisfacecoveredwithsweat.(伴随情况)2Theshowerbeingover,wecontinuedtomarch.(时间)3Somanystudentsbeingabsent,wedecidedtoputthemeetingoff.(原因)4Weatherpermitting,we’llhaveanoutingto
8、morrow.(条件)5Allthingsconsi
