高中英语 Unit 3 Science and nature Section Ⅲ Grammar学案 牛津译林版必修5-牛津版高二必修5英语学案VIP专享

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．过去分词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)，相当于一个形容词。The excited people rushed into the building.激动的人们奔进了大楼。There is no food left on the table.桌子上没有剩余的食物。(2)动词ed 短语作定语通常放在被修饰词的后面，相当于一个定语从句。The suggestion made by the foreign expert was adopted by the manager.那个外国专家提出来的建议被经理采纳了。(3)动词ed 短语作定语也可用作非限制性定语，前后用逗号隔开。The meeting，attended by one thousand students，was a great success.这次会议获得了很大的成功，共有一千名学生出席。[名师点津] 动词ed 形式作定语往往表示被动、完成；动词ing 形式作定语表示主动、正在进行；不定式作定语则表示还未发生。The girl standing by the door is my daughter.1在门口站着的那个女孩是我的女儿。The meeting to take place here is very important....