Unit 1 Discovering useful structures 课件-2022-2023学年高中英语人教版（2019）必修第三册

Discovering Useful Structure 动词-ing作表语和定语 1 Lead in How much do you know about v-ing? Learning aims: 1) To understand the concept of v-ing 2）To identify and use v-ing as predicative and attribute. Study and think independently 5') 1)Look at the following content on book p13. 2)To find out the concept of v-ing as predicative and attribute. 3)To find out the key and difficult points. 4)To find out the points you don’t understand. 动词-ing形式是动词的一种非谓语形式、由“动词原形+ing”构成，动词-ing形式包括现在分词和动名词 一、动词-ing 形式作表语 1.现在分词作表语时，往往具有形容词的性质，说明主语的性质、特征等。 The film that I saw yesterday is moving. 2.动名词作表语时，多表示抽象性的或习惯性的动作，一般说明主语的内容，这一类表语有时候可以换成动词-ing形式做主语(表语和主语常可互换) My hobby is collecting stamps. The only thing that interests her is dancing. 二、动词-ing 形式作定语 1.动名词作定语时，表示被修饰词的某种性能或用途，相当于“名词+for doing” a nursing home 养老院 a home for nursing a waiting room 候车室 a sleeping bag 睡袋 drinking water 饮用水 a swimming pool游泳池 2. 现在分词作定语时，它和被修饰的词之间有逻辑上的主动关系且表示正在进行的动作,相当于一个定语从句。 The man talking to my mother is my math teacher. Families celebrating the Lunar New Year can enjoy the dragon dances. 现在分词作定语时，它和被修饰的词之间有逻辑上的动宾关系时,用被动形式“being done”。 The problem being discussed is hard to deal with. Self-learning guidance 5') 1) To finish the change-formed exercises in P14. 变式训练： (1)asking for / that ask for (2)The new was shocking (3)being built (4) looking after (5) leading to / which lead to Thank you! $$