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1、Unit4Unit4Bodylanguagev.-ing形式在句中作定语和状语是本单元的学习重点1.作定语Theexperimentwasanamazingsuccess.YoucanfindVivieninthereadingroom.Thereweregrowingdoubtsaboutthevictorystatement.★单个的动词-ing形式作定语常位于被修饰名词的前面，既可以表示被修饰成分的性质或用途，也可以表示被修饰成分的动作或状态。Alittlechildlearningtowalk(=who/thatislearningtowalk)oftenfalls.
2、Ayoungmanwritingnovels(=who/thatwritesnovels)cametospeaktomeyesterday.Hersons,bothworkingabroad(=whobothwork/arebothworkingabroad),ringhereveryweek.★动词-ing形式作后置定语，其作用相当于一个______从句。定语【拓展】动词-ing形式的被动式（beingdone）也可作定语，表示正在发生的被动动作。e.g.Wemustkeepthethingsbeingdiscussedasecret.Iknewnothingaboutth
3、eexperimentbeingperformedthere.2.作状语动词-ing形式作状语可表示时间、条件、原因、结果、方式、让步或伴随情况等，其逻辑主语通常与句子的主语一致，动词-ing形式所表示的动作与主语之间构成逻辑上的主谓关系。说出下列各句中动词-ing形式表示什么状语。1)Usingyourhead,you’llfindagoodway.______2)Fourpeopleenteredtheroomlookingaroundinacuriousway.______3)Beingpoor,hecouldn’taffordaTVset.______原因条件伴随4)
4、Hecamerunningbacktotellmethenews.______方式5)(When)Hearingthenews,hegotfrightened.________________________________6)Thechildslippedandfell,hittinghisheadagainstthedoor.______结果时间,可以在分词前保留whenHavingfinishedhishomework,Davidwenttobed.Havinglivedtherefortenyears,Iknewtheplaceverywell.★动词-ing形式的完
5、成式所表示的动作发生在主句谓语动作______(前/后)。NotseeingSusan,Iaskedwhereshewas.Nothavingdoneitright,hetriedagain.★动词-ing形式的否定形式常在其前面加______。前note.g.Timepermitting,Iwillpayavisittothewholecity.(分词的逻辑主语是time,而句子的主语是I,两者不构成主谓关系,所以只能用独立主格结构,也就是给现在分词补充一个主语。)Attentione.g.Iwaitingforthebus,abirdfellonmyhead.我等汽车时，
6、一只鸟落到我头上。Alltheticketshavingbeensoldout,theywentawaydisappointedly.所有的票已经卖光了，他们失望地离开了。Timepermitting,we’lldoanothertwoexercises.如果时间允许，我们将做另两个练习。有时也可用with(without)+名词（代词宾格）+分词形式e.g.Withthelightsburning,hefellasleep.他点着灯睡着了。1. The hospital has recently obtained new medical equipment, _____ m
7、orepatients to be treated. (2017天津卷)A. being allowed B. allowingC. having allowed D. alloweddoing现在分词做结果状语，表示必然的结果，上一句医院购进新设备，顺理成章能够使更多病人获得治疗。B高考链接2. This included digging up the road,63(lay) the track and then building astrong roof over the top.
