Unit 3 Fascinating parks Discovering Useful Structures 课件 2023-2024学年高中英语人教版（2019）选择性必修第一册

Unit 3 Fascinating parks 新人教版选择性必修 Book 1 Discovering Useful Structures P29 Learning objectives recognize and summarize the fountion of -ing form as the subject; summarize the different uses of -ing form; finish the corresponding exercises about -ing form; use -ing form as the subject to describe a place in writing. In this class, you will Learning a foreign language is very useful to everyone. Using the right hand to shake hands is a convention in many countries. Traveling around the world is my dream. Seeing is believing. Using the right hand to shake hands is a convention in many countries. Traveling around the world is my dream. Seeing is believing. V-ing form used as the subject Learning a foreign language is very useful to everyone. ① ② ③ ④ Find more sentences with the –ing form as the subject from the reading passage. Being in such a beautiful and wild place makes me feel blessed to be alive. Even though the sun is brightly shining, telling whether it is morning or night is impossible. Getting here is quite difficult, so apart from the Semi very few people have ever seen Sarek. For hundreds of years, looking after reindeer was a way of life for the Sami. ① ② ③ ④ Look for more sentences with the -ing form from the reading passage and state their functions. -ing form as subject 一、动词-ing作主语的三种形式： 1.直接放在句首，表示抽象的、经常的以及习惯性的动作或状态，谓语动词用单数。 例句： 1) Walking is a good form of exercise for both the young and the old. 散步对年轻人和老年人都是一种很好的锻炼方式。 2) Watching news on TV has become a routine for me. 3) Going to Hangzhou by train takes about 16 hours. 在电视上看新闻已经成了我的一种日常习惯。 乘火车去杭州要16个小时。 4) Asking a woman’s age is impolite in our country. 在我们国家问一个女人的年龄是不礼貌的。 2. it在句首作形式主语，动词-ing形式后置作真正的主语，用形容词或名词作表语。 no use, no good, fun, hard work, a hard / difficult job, a waste of time 常见的名词或名词短语 dangerous, worthwhile, useless 常见的形容词 1) It’s no use making an excuse for this. 例句： 为这件事找借口是没有用的。 2) It’s a waste of time talking about such a useless thing. 谈论这样无用的事情简直