Unit5Ontheroad动词ing形式作定语一、表示属性、作用或用途[观察例句]①There'salwaysplentytoreadinthereadingroom
②Theysetupanoperatingtableinasmalltemple
[归纳用法]动词ing形式表示被修饰词的属性、作用或用途时,作“供……用”讲,相当于介词for短语,需置于被修饰词之前
例如thereadingroom=theroomforreading;anoperatingtable=atableforoperation
[即学即练1]补全句子①Hetookoffhisclothesanddivedintotheswimmingpool(游泳池).②Asleepingbag(睡袋)isusefulwhenyoucampovernightinafield
二、表示动作或状态[观察例句]①Theyouthofourcountryareoftencomparedtotherisingsun
②TheboysittingbesideMr
Wangisourmonitor
③Thehousesbeingbuiltarefortheteachers
[归纳用法](1)表示被修饰词发出的动作或存在的状态,与被修饰词之间为主动关系时用doing;与被修饰词之间为被动关系时用beingdone
(2)表示动作或状态时,动词ing形式在功能上相当于一个定语从句
如therisingsun=thesunthat/whichisrising;thehousesbeingbuilt=thehousesthat/whicharebeingbuilt
(3)单个的动词ing作定语时,常放在被修饰词之前;动词ing短语作定语时,则放在被修饰词之后
[即学即练2]完成句子①Iliketowatchthefallingle