Unit 1 Festivals and celebrations Discovering Useful Structures 课件 -2022-2023学年高中英语人教版（2019）必修第三册

Unit 1 Festivals and Celebrations Discovering Useful Structures The -ing form as the attribute and the predicative 动词-ing形式作定语和表语 2 典例分析 1. These lanterns are amazing. 2. During the Mid-Autumn Festival in China, families gather to admire the shining moon and enjoy the delicious mooncakes. 3. Families celebrating the Lunar New Year can enjoy exciting dragon dances and carnivals together. 表语 定语 定语 定语 语法精讲 一、动词-ing形式作定语 1．单个动词的­ing形式作定语通常位于被修饰名词的前面，既可以表示被修饰者的用途或功能，也可以表示被修饰者的动作或状态。 典例分析 1.1 说明被修饰名词的用途或功能，相当于介词for短语。 building materials＝materials for building 建筑材料 a reading room＝a room for reading 阅览室 a waching machine = a machine for waching 洗衣机 典例分析 1.2 表示所修饰的人或物的动作或状态，被修饰词和动词-ing形式之间是主动关系，相当于一个定语从句，可以表示正在进行的动作，也可表示经常性动作或当时的状态。 developing countries＝countries that are developing发展中国家a puzzling problem＝a problem that puzzles somebody 一个困扰人的问题 a surprising result＝a result that is surprising 一个惊人的结果 语法精讲 一、动词-ing形式作定语 2. 动词­ing形式短语作定语时，放在所修饰的名词的后面，并且在意思上相当于一个定语从句。 典例分析 They lived in a room facing the street. ＝They lived in a room that faces the street. 他们住在一间面朝街的房子。 The man standing there is Peter’s father. ＝The man who is standing there is Peter’s father. 站在那儿的那个人是彼得的父亲。 语法精讲 一、动词-ing形式作定语 3. 动词­ing形式短语也可以用作非限制定语，相当于一个非限制性定语从句，这时，它与句子其他部分用逗号分开。 典例分析 The apple tree, swaying gently in the breeze, had a good crop of fruit. ＝The apple tree, which was swaying gently in the breeze, had a good crop of fruit. 那棵苹果树硕果累累，在微风中轻轻摇曳。 His brother, working as a teacher, lives in Beijing. ＝His brother, who works as a teacher，lives in Beijing. 他的哥哥住在北京，是个老师。 The taxi that took us to the airport broke down. 2. The problem that is being discussed is about food safety. 3. The student stayed in the room used for reading for an hour. 4. That was an experience that frightened everyone. 随堂训练 The taxi taking us to the airport broke down. The problem being discussed is about food safety. The student stayed in the reading room for an hour. That was a frightening experience．