【例句呈现】观察以下句子,注意动词-ing形式所作的成分及用法.1.Seeingthesunrisingabovethesurfaceofthesea,weletoutashoutofjoy.2.Theboywascaughtcheatinginthelastexam.3.Withanativevillageractingasourguide,wehadnotroublegettingaround.4.Notfeelingverywellthatmorning,hewenttoseethedoctor.5.Whenwalkingdownthestreet,Icameacrossanoldfriendofmine.6.Havingfinishedallhishomework,theboywentouttoplayfootball.7.Theprofessorbeingill,thelecturehadtobeputoff.【用法小结】1.在句1至句3中,动词-ing形式作宾语补足语：动词-ing形式作宾补,表示宾语正在做或一直做某事.动词-ing形式作宾补时句子可以变为含被动语态的句子,这时动词-ing形式就在被动句中成了主语补足语,说明主语正在进行动词-ing形式的动作.介词with也可接动词-ing形式作宾补,此时with后的宾语是动词-ing形式动作的发出者.2.在句4至句7中,动词-ing形式作状语：动词-ing形式作状语,常表示原因、方式、时间、条件、结果、伴随等意义,且常可转换为对应的状语从句.如：句4=Ashedidn’tfeelverywell...动词-ing形式作状语,前边往往可以加when,while,if,unless,once,although等连词,构成“连词+动词-ing形式”结构.动词-ing形式的完成式作状语,表示动词-ing形式的动作发生在谓语动作之前.动词-ing形式作状语时,其逻辑主语与句子的主语要一致.当动词-ing形式的逻辑主语与句子的主语不一致时,就要在动词-ing形式前加上自己的逻辑主语（名词或代词）,构成独立主格结构(如句7).【即学即练】1.—Comeon,pleasegivemesomeideasabouttheproject.—Sorry.Withsomuchwork_____mymind,Ialmostbreakdown.(福建2007)A.filledB.fillingC.tofillD.beingfilled2.Ismellsomething_____inthekitchen.CanIcallyoubackinaminute?(宁夏2007)A.burningB.burntC.beingburntD.tobeburnt3.Theglassdoorshavetakentheplaceofthewoodenonesattheentrance,______inthenaturallightduringtheday.(天津2007)A.toletB.lettingC.letD.havinglet4.When______differentcultures,weoftenpayattentiononlytothedifferenceswithoutnoticingthemanysimilarities.(浙江2006)A.comparedB.beingcomparedC.comparingD.havingcompared5.Whilewatchingtelevision,______.（2005全国卷III）A.thedoorbellrangB.thedoorbellringsC.weheardthedoorbellringD.weheardthedoorbellrings6.______inthequeueforhalfanhour,Tomsuddenlyrealizedthathehadlefthiswalletathome.(北京2004)A.TowaitB.HavewaitedC.HavingwaitedD.TohavewaitedKey:1-6BABCCC