可以表示时间(shíjiān),原因,结果,条件,行为方式或伴随动作等。2).Beingpoor,hecouldn’taffordaTVset.Notknowingheraddress,wecan’tgetintouchwithher.3).Walkinginthestreet,Isawatailor’sshop.4).Hisfatherdied,leavingthefamilyevenworseoff.5)Fourpeopleenteredtheroomlookingaroundinacuriousway.=Fourpeopleenteredtheroomandlookedaroundinacuriousway.6)Hecamerunningbacktotellmethenews.现在分词(fēncí)作状语的几种形式注意(zhùyì)：2.作状语的V-ing形式和句子之间通常有一个逗号隔开，不能用并列(bìngliè)连词。Studyinghard,andyouwillpasstheentranceexaminationtocollege.Studyinghard,youwillpasstheentranceexaminationtocollege.Studyhard,andyouwillpasstheentranceexaminationtocollege.3.为了使V-ing形式作状语所表达(biǎodá)的意思更为明确。可在V-ing前加适当的连词（when;while;if;though;unless等）Whilewaitingforthebus,hemetMary.1.Havingnotseenthefilm,Ican’ttellyouwhatIthinkofit.2.Themenworkedforextrahoursgotanextrapay.3.Seenfromthetopofthehill,wefindthecitymorebeautiful.4.Generallyspeak,facialexpressionsarehelpfulcommunications,too.5.“Can’tyouread?”themansaid,angrilypointedtothenoticeonthewall.6.Knockingatthedoorbeforeentering,please.7.Europeanfootballisplayedin80countries,madeitthemostpopularsportintheworld.1.Thestrangersaidsomethingina_______voiceandthelittlegirlwasverymuch_______.A.frightening,frightenedB.frightened,frighteningC.frightening,frighteningD.frightened,frightened2.________thepiano,someonesuddenlyknockedatthedoor.A.PlayingB.WhenIwasplayingC.RepairingD.Examining3.Mothercaughttheboy______inthecorner.A.smokeB.tosmokeC.beingsmokedD.smoking4.______theprogramme,theyhavetostaythereforanother2weeks.A.NotcompletingB.NotcompletedC.NothavingcompletedD.Havingnotcompleted5.“Wecan’tgooutinthisweather”,saidBob,____outofthewindow.A.lookingB.tolookC.lookedD.havinglooked7.Thebell_______theendoftheperiodrang,______ourheateddiscussion.A.indicating;interruptingB.indicated;interruptingC.indicating;interruptedD.indicated;interrupted8._______suchheavypollutionalready,itmaynowbetoolatetocleanuptheriver.A.HavingsufferedB.SufferingC.TosufferD.Suffered9.Helookedarounda