-ing分词作状语可以表示时间、原因(yuányīn)、结果、条件、让步、方式或伴随情况等。WhileReadingthebook,henoddedfromtimetotime.他一边看书，一边不时地点头(diǎntóu)。Afterhavingdinner,shewentoutforawalk.吃完晚饭，她出去散步。。BecauseNotknowinghisaddress,Ican’tsendthisbooktohim.Ifworkinghard,you’llsucceed.Thoughgettingupearly,hedidn’tcatchthebus.–ing分词短语作结果状语。如：Hisfatherdied,leavinghimalotofmoney.他父亲死了，留给他许多钱。Shewassoangrythatshethrewthetoyontheground,breakingitintopieces.她非常(fēicháng)生气，把玩具扔在地上，把它摔成了碎片。-ing分词作伴随(bànsuí)状语，可以放在句子的前面、后面或中间，表示主语的另一个、较次要的动作。如：Theystoodthereforhalfanhourwatchingthestarsinthesky.他们在那儿站了半小时，观察着天上的星星。Followingtheoldman,theyoungpeoplestartedwalkingslowly.年轻人跟在老人的后面开始慢慢地走起来。1、分词(短语)作状语时,前后两个动作的主语是同一个人。、分词短语做状语时，前面可以加上连词或介词。（when;while;if;though;unless等）3、分词的否定形式(xíngshì)是在分词短语前面加上not,never等否定词构成。注意(zhùyì)：1.现在分词何时用一般(yībān)形式?2.现在分词何时用完成(wánchéng)形式？3.现在分词何时(héshí)用进行被动式？4.现在分词(fēncí)何时用完成的被动式？3、用V+ing一般式还是Having+done完成式，要看前后两个动作有没明显的先后顺序，在可能引起(yǐnqǐ)误解的场合应该用完成式现在分词表示先发生的动作。可以表示(biǎoshì)时间,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.2.作状语的V-ing形式和句子之间通常有一个(yīɡè)逗号隔开，不能用并列连词。Studyinghard,andyouwillpasstheentranceexaminationtocollege.Studyinghard,youwillpasstheentranceexaminationtocollege.Studyhard,andyouwillpasstheentranceexaminationtocollege.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_______voiceandthelittlegirlwas