Unit 3 Discover Useful Structures 课件-2022-2023学年高中英语人教版（2019）选择性必修第一册

Unit 3 Fascinating Parks Learning About Language - Discover Useful Structures Kevin Sept. 2022 V-ing 形式作主语 The V-ing form used as the subject v-ing形式分类 v-ing形式 doing having done being done having been done 基本式 完成式 被动式 被动完成式 v-ing功能分类 v-ing形式 动名词 现在分词 主语 宾语 表语 定语 定语 表语 状语 宾补 Playing with fire is dangerous. Jim likes jumping in muddy puddles. Her idea is building up a new company. People living there are quite friendly. He really needs a washing machine. The performance was really amazing. Laughing and talking, they went in. I love to watch her performing on the stage. v-ing作主语的意义 Reading aloud is a good way to learn a language. Wasting a person’s time is the same as killing him for his property. v-ing (短语) 作主语，表示一般或抽象的习惯性行为。 v-ing作主语的“数” Being addicted to online games is a waste of life. Going abroad for further study has always been his dream. 单个的v-ing(短语)作主语，谓语动词用单数。 v-ing作主语的“数” Going to bed early and getting up early (be) considered to be a good habit. Knowing what it is and unde