一、过去分词(短语)作状语,表示被动或完成的动作
可以表示时间、原因、条件、让步、方式或伴随情况等。
1.作时间状语
过去分词作时间状语时,相当于一个when,while,after,once等引导的时间状语从句。
Once published(=Once it is published),the dictionary will be very popular.
一旦出版,这本词典将大受欢迎。
2.作原因状语
过去分词作原因状语时,相当于一个as,since,because等引导的原因状语从句。
Absorbed in painting(=Because John was absorbed in painting),John didn't notice evening approaching.
由于专心画画,约翰没有注意到夜幕正在降临。
3.作条件状语
过去分词作条件状语时,相当于一个if,unless等引导的条件状语从句。
Given another hour(=If I am given another hour), I can also work out this problem.
如果再给我一个小时,我也能把这道题算出来。
4.作让步状语
过去分词作让步状语时,相当于一个though,although,even if/though等引导的让步状语从句。
Beaten by the opposite team(=Though we were beaten by the opposite team),we didn't lose heart and encouraged each other.
虽然被对方的队打败了,但我们并没有灰心而是相互鼓励。
5.作方式或伴随状语
过去分词作方式或伴随状语时,可以转换成一个并列句。
The old man got on the bus,supported by a girl(=and he was supported by a girl).
在一位姑娘的搀扶下,老人上了公共汽车。