请问用分词修饰定语,用ing还是ed取决于什么?
比如
I hate to see letters that are written in pencil.
这里要把从句that改成分词引导的短语.
这里是用writting还是用written?这里应该如何判断呢?是看write和要修饰的名词letter是主动还是被动关系么?信是被写的所以用written?