Section Ⅲ Grammar--过去分词
语 境 自 主 领 悟 先观察原句 后自主感悟 1.When she was born,many people were worried that cloning would lead to more diseases in the animal world.
2....if I had the chance,I would have a cloned baby right now.
3.I think the scientific advances mentioned in your article are fantastic! 1.例句1中的过去分词作表语。
2.例句2和例句3中的过去分词都作定语。单个的过去分词作定语时,要放在被修饰词之前,过去分词短语作定语时,则要放在被修饰词之后。
一、过去分词的构成和意义
1.过去分的构成
过去分词通常是由动词后加"ed"构成的,少数过去分词有不规则变化形式。注意:过去分词无时态和语态的变化。
2.过去分词的意义
及物动词的过去分词通常既表被动,又表完成;不及物动词的过去分词只表完成,不表被动。
The books,written by Lu Xun,are popular with many Chinese people.
鲁迅写的这些书,受到了许多国人的喜爱。(表被动和完成)
Once recovered,he threw himself into his work and made every effort to do it well.
他一康复就投身到他的工作中去并且尽一切努力把它做好。(只表完成)
二、动词ed形式的句法功能
过去分词具有形容词和副词的特征,可在句中作定语、表语、补语和状语等成分。
1.作定语
(1)单个的动词ed形式作定语一般放在被修饰词的前面(left除外),相当于