内容正文:
1 单个的动词-ing形式可以作前置定语,一般具有两种含义:
① 说明被修饰名词的用途和性能。
a reading room = a room which is used for reading 阅览室
running shoes =shoes for running 跑鞋
a working method =a method of working 工作方法
a singing competition
a walking stick
动词-ing形式作定语
歌咏比赛
手杖
a drawing board
a sewing machine
a swimming pool
a waiting room
a dining car
a driving permit
画板
缝纫机
游泳池
候车室
餐车
驾驶许可证
② 表示所修饰的人或物的动作或状态,在意思上接近一个定语从句,可以表示正在进行的动作,也可表示经常性动作或当时的状态。
developing countries = countries that are developing 发展中国家
an ordinary-looking house = a house that looks ordinary 看起来很普通的房子
a puzzling problem = a problem that puzzles somebody 困扰人的问题
a barking dog
a disappointing play
an astonishing adventure
a sleeping baby
boiling water
failing sight
the setting sun
the coming week
狂吠的狗
令人失望的戏剧
惊人的冒险
熟睡的婴儿
正在沸腾的水
逐渐衰退的视力
落日
下一周
The traffic rule says young children under the age of four and ____ less than 40 pounds must
be in a child safety seat.
A. being weighed B. to weigh
C. weighed D. weighing
The government plans to bring in new laws _____ parents to take more responsibility for the education of their children.
forced B. forcing
C. to be forced D. having forced
In some languages,100 words make up half of all words in daily conversations.
using B. to use
C. having used D. used
The witnesses by the police just now gave very different descriptions of the fight.
A. questioned B. being questioned
C. to be questioned D. having questioned
The airport _______ next year will help promote tourism in this area.
being completed B. to be completed
C. completed D. having been completed
动词-ing形式可以作状语,修饰动词,在句中表示时间、原因、结果、条件、让步、行为方式或伴随情况等。动词-ing形式作时间、原因、条件、让步状语时多位于句首;作结果、伴随情况状语时常位于句末。
(1) 表示时间,相当于一个时间状语从句。
我们已经作好了充分准备,现在可以应考。
Having made full preparations, we are ready for the exam. (= After we have made full preparations...)
动词-ing形式作状语
(2)表示原因,相当于一个原