介绍:
过去分词 V-ed
1.作定语
Eg：美国是一个发达国家 The United State is a developed/advanced country.
Eg：Most of the artists who were invited to the party were from South Africa.
大部分被邀请来参加这个会议的艺术家来自南非
Eg：Prices of daily goods ___________ through a computer can be lower than store prices. （2002北京春）
A. are bought B. bought C. been bought D. buying
解析：B。goods是动词buy的逻辑宾语，故此处应该用过去分词作后置定语，答案选B
2.作表语
Eg：The window is broken 窗户破了
Eg：He looks worried after reading the letter 读完信后，他看起来很焦虑
3.过去分词作宾补
Eg：I heard the song sung several times last week 上周我听见这首歌被唱了好几次
Eg：（please）Keep your mouth shut and your eyes open. (谚语：少说多看）
4.过去分词作状语
Eg：如果给予我跟多的时间，我能做的更好 Given more time，I could do it better.（条件）
Eg：受到邻居的表扬，他成为了父母的骄傲 Praised by the neighbors，he became the pride of his parents.（原因）
