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ThepowerofnatureUnit5Getthestudentstolearnandmasterusefulstructures:the“–ing”formasanadverbial.可以表示时间,原因,结果,条件,行为方式或伴随动作等。1).Usingyourhead,you’llfindagoodway.Workinghard,you’llsurelysucceed.条件状语IfyouuseyourheadIfyouworkhard2).Beingpoor,hecouldn’taffordaTVset.Notknowingheraddress,wecan’tgetintouchwithher.(原因)BecausehewaspoorAswedon’tknowheraddress3).Walkinginthestreet,Isawatailor’sshop.4).Hisfatherdied,leavingthefamilyevenworseoff.时间WhenIwaswalkinginthestreet.结果andthisleftthefamilyevenworseoff5)Fourpeopleenteredtheroomlookingaroundinacuriousway.=Fourpeopleenteredtheroomandlookedaroundinacuriousway.6)Hecamerunningbacktotellmethenews.伴随状语方式注意：1.现在分词作状语时，其逻辑主语必须与主句中主语一致。它们之间是主动关系。被动则用V-ed.但是短语generallyspeaking;judgingfrom/by;comparedwith等是固定搭配。不受主语影响。Judgingfromhisface,hewasveryangry.3.为了使V-ing形式作状语所表达的意思更为明确。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.NothavingworkingSeeingspeaking单句改错5.“Can’tyouread?”themansaid,angrilypointedtothenoticeonthewall.6.Knockingatthedoorbeforeentering,please.7.Europeanfootballisplayedin80countries,madeitthemostpopularsportintheworld.pointingKnockmaking2.作状语的V-ing形式和句子之间通常有一个逗号隔开，不能用并列连词。Studyinghard,andyouwillpasstheentranceexaminationtocollege.Studyinghard,youwillpasstheentranceexaminationtocollege.Studyhard,andyouwillpasstheentranceexaminationtocollege.FTT