Unit 4: GrammarPast participle复习过去分词的用法 a vase which is broken=a _ vasebrokenleaves which are fallen=_ leavesfallena player who is injured=an _ playerinjured a play which was written by Bernard Shaw=a play _ by Bernard Shawwrittena bridge which was built in 1937= a bridge _in 1937built a broken vase fallen leaves an injured player Last week we saw a play written by Bernard Shaw.过去分词可用来修饰_( 动词/ 名词) ，作_( 表语/ 定语/ 宾补) ，单个单词放所修饰词_ ，分词短语放在所修饰词_ 。名词定语之前之后Find out the rules: The staff in the office are_
