会计学Readthesentencesfromthetext.一:V-ing形式由“do＋ing”构成,其否定形式是“notdoing”,没有(méiyǒu)人称和数的变化,但有时态和语态的变化。语态时态V-ing形式作定语和状语(zhuàngyǔ)是本单元的学习重点。2、动词-ing形式短语(duǎnyǔ)作定语时一般放在它所修饰的名词之后,相当于一个定语从句。如:Theyarevisitorscomingfromseveralcountries.Theboystandingthereisaclassmateofmine.Inthefollowingyearsheworkedevenharder.在后来的几年中，他学习更努力了。Themanspeakingtotheteacherisourmonitor'sfather.正与老师谈话的那个人是我们(wǒmen)班长的父亲。3、现在分词作定语相当于一个定语从句的句法(jùfǎ)功能，如：inthefollowingyears=intheyearsthatfollowedthemanspeakingtotheteacher=theman1).____dogsseldombite.A.BarkB.TobarkC.BarkedD.Barking2).Thewolfspokeina_____voiceandMr.Dongguofelt______.A.frightening;frightenedB.frightened;frightenedC.frighten;frighteningD.frightening;frightening3.It’spleasuretowatchthefaceofa____baby.A.asleepB.sleepC.sleepingD.slept4.The____buildingsshowedusthatanearthquakewascoming.A.shakingB.shookC.shakenD.shake动词-ing在语法功能(gōngnéng)上相当于动词、形容词和副词。现在分词通常和逻辑主语之间存在主动关系。但要注意它的各种形式变化：1.Hearingthebell,thestudentsbegantoentertheclassroom.听见和进入两个动作同时发生。2.Thebuildingbeingbuiltnowisournewlibrary.beingbuilt为现在分词的被动形式(xíngshì)，表示动作正在进行之中。现在(xiànzài)分词作状语Walkinginthestreet,Icameacrossanoldfriendofmine.(=WhenIwaswalkinginthestreet,Icameacrossanoldfriendofmine.)2)表原因(yuányīn)状语Beingill,hedidn’tgotoschool.(=Because/Ashewasill,hedidn’tgotoschool.)3)表方式、伴随情况地状语：作伴随状语地分词表示的动作，必须是主语的一个动作，或是与谓语(wèiyǔ)所表示的动作（或状态）同时发生，或是对谓语(wèiyǔ)表示的动词（或状态）作进一步地补充说明。他们(tāmen)笑着谈着走进了教室。4)表结果(jiēguǒ)Hermotherdiedin1990,leavingherwithheryoungerbrother.(=Hermotherdiedin1990,andleftherwithheryoungerbrother.)5)表条件(tiáojiàn)6)与逻辑主语构成(gòuchéng)独立主格：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Withthelightsburning,hefellasleep.他点着灯睡着了。(7)作独立成分(chéngfèn)：Judgingfrom(by)hisappearance,hemustbeanactor.从外表看，他一定是个演员。AttentionPleasetheBritishladyYouseeherstepbackappearingsurprised.=Youseeherstepbackandsheappearssurprised.Theyalso