1.I am really sorry to hear the news.是主系表结构.I是主语,am 系动词,really sorry 是表语,to hear the news是状语.
2..I like the book written by Lu Xun.是主谓宾结构.I是主语,like是谓语,the book written by Lu Xun是宾语,written by Lu Xun是过去分词短语做the book的后置定语.