Unit 3 Fascinating Parks Discovering Useful Structures 课件-2024-2025学年高中英语人教版（2019）选择性必修第一册

GRAMMAR B4U3 1 Lead in 2 Loving him is like driving a new Maserati down a dead end street Faster than the wind, passionate as sin, ending so suddenly Loving him is like trying to change your mind once you're already flying through the free fall Like the colors in autumn, so bright, just before they lose it all Losing him was blue, like I've never known Missing him was dark grey, all alone Forgetting him was like trying to know somebody you never met But loving him was red the -ing form as subject 3 Looking after reindeer was the traditional way for the Sami. Living within park boundaries is prohibited. Being in such a beautiful and wild place makes me feel blessed to be alive. Living in harmony with nature makes human lives on the earth much more beautiful and wonderful. Please circle the subject of each sentence Please circle the verb of each sentence 4 More sentences using the -ing form as the subject Being protected carefully makes the national park attract numerous tourists every year. Being in such a beautiful and wild place makes me feel blessed to be alive. Telling whether it is morning or night is impossible. Getting here is quite difficult. -ing形式作主语，通常直接__________。谓语动词用________形式。 动词-ing主语表示________________, 被动形式为_______________。 置于句首 单数 习惯性或经常性的动作 being done 5 Describe the picture using the -ing form as the subject __________each other is a great fun for the reindeer in the Sarek National Park. __________the panda is a huge happiness for the visitors. Chasing Feeding chase feed 6 __________in the Grand Prismatic Spring is a dangerous thing to do. Swimming swim view __________the incredible scenery of Sanjiangyuan National Park makes us excited and attracted. Viewing Describe the picture using the -ing form as the subject 7 Chasing each other is a great fun for the reindeer in the Sarek National Park. Feeding the panda is a huge happiness for the visitors. Swimming in the Grand Prismatic Spring is a dangerous thing to do. Rewrite the sentences using it as the subject. It is a great fun for the reindeer in the Sarek National Park to chase each other. It is a huge happiness for the visitors to feed the panda. It is a dangerous thing to do to swim in the Grand Prismatic Spring. Focus The use of -ing form as subject puts the action first, making the sentences seem more dynamic. 侧重于主语部分，强调行为本身的具体内容 The use of it as subject focus on the characteristics or the state of the action, or the feelings it leaves on people. 侧重强调行为的特征、状态或给人的感受 VS 8 In the national park, it is no use littering. Throwing trash around not only spoils the beauty of nature but also harms the wildlife. It is no fun walking alone in the national park without taking in the magnificent views and sharing the experience with others. It is no good making loud noises in the national park as it disturbs the peaceful atmosphere and scares away the animals. It is a waste of time going to the national park and just sitting idly without exploring and learning about the diverse flora and fauna. However, it is worth taking a hike in the national park. You can breathe in the fresh air, enjoy the stunning landscapes and get close to nature. It is also worthwhile to go/going on a guided tour in the national park. You can gain valuable knowledge about the ecosystem. it is no use littering. It is no fun walking alone in the national park It is no good making loud noises in the national park It is a waste of time going to the national park it is worth taking a hike in the national park It is also worthwhile to go/going on a guided tour in the national park. 找 出 用 it 作 主 语 的 句 子 9 it作形式主语,必须用动名词短语作真正主语的句式: It is no use/ useless doing sth. 做某事没有用的。 It is no fun/ pleasure doing sth. 做某事是无趣的. It is no good doing sth. 做某事没有好处的。 It is a waste of time doing sth. 做某事是浪费时间的。 It is worth doing sth. 做某事是有价值的。 It is worthwhile doing/ to do sth. 做某事是有价值的。 10 动词-ing 形式和 to do 做主语时的区别 Protecting national parks represents a long-term commitment.保护国家公园代表着一种长期的承诺。 To establish a new national park this year is a significantdecision.今年建立一个新的国家公园 是一个重大的决定。 动词-ing 形式做主语表示比较抽象的一般性行为, to do 做主语往往表示具体的或一次性的动作。 11 练习 (1)In the national park, (be)_________careless with fire is extremely dangerous. (2)It is no use ___________(complain)about the long walk once we are in the national park. (3)_________ (visit) the national park in spring is a wonderful experience. (4)It is no good _________(litter)in the national park. We should keep it clean. (5)It is a waste of time _________(argue)about which route to take in the national park. (6)_________(explore)different areas of the national park is worth the effort. (7)It is no fun _________(get)lost in the national park, so make sure to follow the signs. (8)The beauty of the national park makes it worthwhile (spend)_________a few days there. (9)It is no pleasure _________(be)bitten by insects while in the national park. We should take precautions. (10)Hiking in the national park_________ (require) proper preparation. being complaining Visiting littering arguing Exploring getting arguing being requires 12 Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 $$