Unit 3 Fascinating parks Discovering Useful Structures 动名词作主语课件-2023-2024学年高中英语人教版选择性必修第一册

UNIT 3语法精讲 Entrepreneurial activities differ substantially depending on the type of organization and creativity. Entrepreneurial activities differ substantially depending on the type of organization and creativity. 动词-ing形式作主语 UNIT 3 FASCINATING PARKS 1 Learning objectives In this class we will Learn how to annalyse and identify the uses of –ing forms Reinforce what students have learnt about –ing forms as subjects Put what has been taught into practice The -ing form: 动名词 现在分词 V-ing 形式 返首页 课时分层作业 4 1. Families celebrating the Chinese New Year can enjoy exciting dragon dances and carnivals together.The performances are just amazing. 2. The new People's Republic of China saw Dr Lin Qiaozhi playing a key role. 3. Thinking of all the people still in need of help, Dr Lin opened a private clinic. 4. She was known as the "mother of ten thousand babies", having delivered over 50,000 babies in her lifetime. What are the functions of the –ing form in the sentences? 定语 表语 宾语补足语 状语 状语 定语 返首页 课时分层作业 【归纳用法】动词 ing形式作主语,往往表示经常性、习惯性的动作,通常置于句首。 the –ing form used as subject 返首页 课时分层作业 6 ⑴ Talking is easier than doing. ⑵ Learning new words is very important for me. ⑶ Reading aloud is a good way in learning a language. ⑷ Playing with fire is dangerous. 朗读是学习语言的一个好方法。 1. -ing形式作主语,通常直接置于句首。谓语动词用单数形式。 说比做容易。 学习新单词对我来说非常重要。 玩火是危险的。 返首页 课时分层作业 8 返首页 课时分层作业 9 返首页 课时分层作业 10 ⑴ It's worth making the effort. ⑵ It is pleasant working with you. ⑶ It's no use crying over split milk. ⑷ It was a waste of time reading that book. 这件事值得努力去做。 和你一起工作很愉快。 覆水难收。 看那本书是浪费时间。 3. 有时可用it作形式主语前置,真正的主语是 -ing形式。 但这种句子形式有一定的限制,作表语的只能是某些形容词或少数名词。 形容词 名词 常用-ing形式作主语的句型有: It + be + a waste of time doing … It is/was no good/pleasure/use/useless doing … It is/was hardly/scarcely worth doing … It is/was worth/worthwhile doing … There is no sense in doing 做……是浪费时间的 做……是没有用的 做……不值得 做……是值得的 做……没有用/没有意义 【归纳用法】动词 ing形式和to do都可以作主语。动词 ing形式作主语表示比较抽象的一般行为,to do作主语往往表示具体的或一次性的动作。 4. 返首页 课时分层作业 13 5. 返首页 课时分层作业 14 动词-ing形式作主语 表示