第1个回答 2014-04-30
1. 过去分词的作用: (1)过去分词作状语:同动词-ing形式作状语一样,过去分词的逻辑主语是句子的主语,如是被动关系,又与谓语动词同时发生,或无一定时间对比,用过去分词,如: Seen from the top of the mountain, the lake looks like a mirror. (相当于The lake is seen) 相当于When the lake is seen from the top of the mountain it looks like a mirror. Heated, water can turn into vapor. 相当于If it is heated, water can turn into vapor. (2)过去分词作表语: We are interested in science. (3)过去分词作定语:过去分词作定语,有时间要求,发生在谓语动词之前,即完成的动作,用done,而不用having been done. The bridge built last year is 2 kilometers long. People invited to the party are most scientists. (4)过去分词作宾补: I noticed the car repaired.本回答被提问者采纳