Unit 3 Fascinating Parks Grammar 动名词做主语 课件-2026-2027学年高二英语人教版选择性必修第一册

Unit 3 FASCINATING PARKS --Discover useful structures The V-ing Form as the Subject Playing computer games 1. is a waste of time.(玩电脑游戏) 2. (读书)makes us know more knowledge. Reading 3. makes their body strong. (打篮球) Playing basketball 4. is bad for your health. (吸烟) Smoking . What’s in common? 1：_________可以 作主语，往往表示经常性、习惯性动作，谓语动词用 。 单数 V-ing形式 1. Playing computer games is a waste of time. 2. Reading makes us know more knowledge. 3.Playing basketball makes our body strong. (打篮球) 4.Smoking is bad for your health.(吸烟) The V-ing Form as the Subject Painting and collecting stamps are his hobbies. 两个或以上ing形式作主语时（两件事）,谓语动词要用_________形式。  复数 Listening, speaking, reading and writing ______ (be) basic skills of a language. are Observe and discover Playing computer games a waste of time. is It is a waste of time playing video games. 形式主语 真正主语 1. It is no use / no good doing sth.（做某事是没有用处/好处的） It is no use crying for help now. 2.形式主语 It 常见的固定句型 2. It is a waste of time / energy / money doing sth.（做某事是浪费时间/精力/金钱的） It is a waste of time playing computer games all day. 3. It is worthwhile / useless / pleasant doing sth.（做某事是值得的/无用的/令人愉快的） It is worthwhile seeing the film. （现在哭没有用） （整天玩电脑游戏是浪费时间。） （看这部电影是值得的。） is no use _________(try) to escape. ________ (try) to escape is no use. Trying trying 例： It ______ with friends is pleasant. ___is pleasant_________ with friends . Playing playing Task 2: It There is + no” 后可用-ing形式作主语，表示“没法……”。 3： ⑴ There was no knowing what he could do. ⑵ There was no telling when this might happen again. ⑶ He is nice, there's no denying it. 他能做什么很难说。 没法预料这样的事什么时候会再发生。 他很友好，这是不可否认的。 1. (read) in bed is bad for your eyes. 2. __________ (talk) with your kid heart to heart is very important. 3. It is a waste of time _________(play) video games. 4. Climbing mountains (be) really fun. 5.There was no （argue）with her. 6.Drawing and playing basketball what I was interested in as a teenager. Reading Talking playing is Practice are arguing 动词-ing形式作主语 表示经常性或习惯性的动作且常放句首 There is no doing ... 动词-ing 作 主 语 在there be句型中作主语 It is a waste of time / energy / money doing sth. It’s no use/no good doing sth it 作形 式主语 动词原形+-ing 基本构成 基本用法 It is worthwhile / useless / pleasant doing sth The Pros and Cons Explorer (利弊探索者) 任何事物都有两面性。作为一名有洞察力的观察者，请在今天课堂上讨论的话题中选择一个你感兴趣的话题，用本堂课所学语法知识展示它的两个不同侧面。 Homework 15 Sample： Using smartphones has become an essential part of our daily lives. It connects us to a world of information and keeps us in touch with friends and family. However, using them for too long can strain our eyes and affect our sleep. Also, relying on them for all answers might weaken our own thinking ability. Therefore, managing our screen time is crucial for a healthy balance. Thanks for listening. Discover Useful Structures 新人教选择性必修一 Unit 3 Thank You ! $