动词 -ing主动形式

动词-ing一、形式

主动形式被动形式一般式doingbeingdone完成式havingdonehavingbeendone

否定形式:not+-ing的形式△

--ing：Examples:1.Whenhesawtheteacher,thestudentsmiledandsaidgoodmorningtohim.

Seeingtheteacher,thestudentsmiledandgoodmorningtohim.1)Whenyouhangwetclothesnearafire,youwillseesteamrisingfromthem.2)Whilehewasreadingthenewspaper,fathernoddedfromtimetotime.

2.AsIwasexcited,Icouldn’tgotosleep.

Beingexcited,Icouldn’tgotosleep.Asheisatailor,heknowswhattodowiththismaterial.Becausehedidn’tknowmuchEnglish,hecouldhardlyunderstandtheEnglishfilm.

NotknowingmuchEnglish,……3.Thesunshinesbrightlyintheskyandgives

uslightandheat.Thesunshinesbrightlyintheskygivinguslightandheat.WeiFangsatatthedeskandwroteanarticleinEnglish.WeiFangsatatthedesk,writinganarticleinEnglish4.Ifyouloseheart,youwon’tfindawaytoovercomethedifficulty.Losingheart,youwon’tfindawaytoovercomethedifficulty.Ifapersonstandsatthefootofamountain,hewillfindhimselfverysmall.

Standingatthefootofamountain,hewillfindhimselfverysmall5.Shefinishedherstudies.Thenshewasgoingtofindajob.

(Not)Havingfinishedherstudies,shewasgoingtofindajob.Firstwecrossedthevalley.Thenwestartedtoclimbahill.

Havingcrossedthevalley,westartedtoclimbahill三.--ing作状语的用法①现在分词作状语，表示陪衬性的动作或伴随情况，如：

Thechildrenranoutoftheroom,laughingandtalking.

Theystoodthereforanhour

watchingthegame.Shesatatthedesk

readinganewspaper.②现在分词作状语，表示行为方式或手段（这类状语可以放在句首，也可以放在句末，有时还可以放在句中)如：

Followingtheguide,theystartedtoclimb.

Workingthisway,theygreatlyreducedthecost.

Travellingbyjeep,wevisitedanumberofcities.③现在分词作状语，表示原因或理由，如：Notknowingheraddress,wecouldn’tgetintouchwithher.Beingsopoorinthosedays,wecouldn’taffordtosendtheboytohospital.注：如果分词表示的动作在谓语所表示的动作之前发生，则要用完成形式，如：

Havingworkedamongthepeasantsformanyyears,heknewthemverywell.

Nothavingreceivedananswer,hedecidedtowriteanotherletter.

④现在分词作时间状语（相当于when引导的从句），如：1)Turningaround,shesawapolicecardrivingup.2)Hearingthenews,theyalljumpedwithjoy.3)Seeingthosepictures,hecouldn’thelpthinkingofthosedaysinYan’an.注①：这里分词表示的是一个极短暂的动作，这动作一发生，谓语动词所表示的动作立即发生。这类分词一般放在句首。如果两个动作是完全同时发生的，多用when或while+分词这种结构，如：Becarefulwhencrossingthestreet.Don’tmentionthiswhiletalkingtohim.注②：如果要强调谓语动词的动作发生时，分词的动作已经完成，这个分词要用完成形式，如：Havingarrivedatadecision,theyimmediatelysettowork.Havingheardthis,thewomanastronautexpressedhersatisfaction.⑤现在分词作状语还可以表示结果、条件和让步，如：

1)

Herhusbanddiedin1942,leavingh