y.Book5Unit1GCrammar过去分词做表语、定语/Revision,V-ingform=一、动词-ing形式作表语1表示主语的内容,可以转换到句首作主语Herjobiskeeping+heclassroomascleanaspossible.(=Keeping+heclassroomascleanaspossibleisherjob)2表示主语具有的特征、急质和状态(动词ing相当一个形容词Thestoryisquiteinteresting.Thisbookisveryboring-常用来作表语的现在分词有asjomshmg,ImwSs/g,boy1g,CO/fLys/y1g,qfsappo1yIXiyrg,e/iCcourag/1g,exc/Xyg,sp/rg,/7oVyg,Xiryg,/107fereshiyg,sUpr1siig等。怡岩屹屹屹屹屹屹崴崴嬉嘴动词-ing形式作定语1单个的动词-ing形式可以作前置定语,一般具有两种含义。G说明被修饰名词的用途和性能。aTeadingToom=aToomforTeading在意思上接近下个定语从句,可以表示正在进行的动作,也可表示经常性动作或当时的牢anordinary-lookinghouse看起来很普通的房子=ahousethatlooksordinaryasleepingboy“正在睡觉的男孩=aboyWhoissleeping2.作定语的动词-ing形式如是一个短语,则应放在被修饰词的后面,做后置定语,相当于一个定语从句。Doyouknowtheboyplayingbasketball2门伟林个计行行诊史午诊4你认识在打篮球的那个小男孩吗?Thepas+participleasa+tribut+epredicative1.过去分词知多少1.惊恐的人们2.预留的座位3.被污染的水4.拥挤的教室5.打碎的花瓷6.关了的门7-.疲惑的观众一一园国根上仪N心E仁.brokel1VaSe+errified/astonishedpeoplereservedseafspollutedwateracrowdedroomacloseddoor+he+iredaudience约园x商WA相心余=吉心B怀伟=盯仁日怡一厂口2.摸底测验1.,Thepainterlookedso_tired_(tire)afterworkingforawholeday.1wasdisappointed(disappoint)withthefilm1sawlastnight.|hadexpectedittobebetter.Everybodyisreallyexcited(excite)aboutthenewOlympicstadiums.Hiswoundbecame_infected(infect)withanewvirus.While-class课本P51.Lookatthefollowingsentenceswherethepastparticipleisused.FindtwomoreexamplesinthereadingpassageofeachUsSage.