Period3 Grammar
过去分词用做定语
    概念:过去分词是非谓语动词的一种形式,表示完成和被动的动作。它在句子中可以充当表语、定语等成份。下面仅谈其作定语和表语的用法。
  一、过去分词作定语
  过去分词作定语有前置和后置两种情况。 
  1、前置定语
  单个的过去分词作定语,通常放在被修饰的名词之前,表示被动和完成意义。
  A类:被动意义:
  an honored guest 一位受尊敬的客人
  The injured workers are now being taken good care of in the hospital.
  受伤的工人现正在医院受到良好的照料。
  B类:完成意义:
  a retired teacher 一位退休的教师
  They are cleaning the fallen leaves in the yard.
  他们正在打扫院子里的落叶。
  2、后置定语
  过去分词短语作定语时,通常放在被修饰的名词之后,它的作用相当于一个定语从句。如:
  This will be the best novel of its kind ever written (=that has ever been written).
  这将是这类小说中写得最好的。
  Who were the so-called guests invited (=who had been invited) to your party last night?
  昨晚被邀请参加你的晚会的那些所谓的客人是谁呀?