Unit 3 Discover useful structures (v-ing 做主语)课件- 高中英语人教版（2019）选择性必修第一册 .pptx

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1、Fascinating Parks,动词-ing形式作主语,Have you ever seen these signs?,the ing form,What can the -ing form be used for?,1. The performance is _ (amaze). 2. The _(sleep) baby is my daughter.3. I saw you _ (play) smartphone just now. 4. _ (listen) to the music, I fell asleep.,amazing,sleeping,playing,Listening

2、,redicative 表语,attribute 定语,object complement 宾补,adverbial 状语,1. I wake up to the sound of the wind buffeting the cloth of my tent. 2. Checking my watch, I see that it is 7:30 a.m. 3. Spreading out before me, branches of the Rapa River flow through the valley below.4. But every spring, a small numbe

3、r of Sami still follow their reindeer into the valleys of Sarek, living in tents or old cottages and enjoying their traditions. 5. For example, this morning my breakfast is flat bread warmed over a fire, dried reindeer meat, and some sweet and sour berries that I found growing near my tent. 6. Here

4、I am, alone under this broad sky, breathing the fresh air, and enjoying this great adventure.,(attribute),(adverbial),(adverbial),(adverbial),(adverbial),(complement),1. ., _ (tell) whether it is morning or night is impossible. 2. _(get) here is quite difficult, so . 3. For hundreds of years, _ (loo

5、k) after reindeer was a way of life for the Sami. 4. _ (be) in such a beautiful and wild place makes me feel blessed to be alive.,telling,Getting,looking,Being,the ing form used as subject,UNIT 3语法精讲,Entrepreneurial activities differ substantially depending on the type of organization and creativity

6、. Entrepreneurial activities differ substantially depending on the type of organization and creativity.,动词-ing形式作主语,Focus on 基本用法,the ing form used as subject,-ing形式作主语，相当于一个名词, 多指抽象、概念性的动作，经常性或习惯性行为。,动词-ing形式作主语,1. 动词-ing形式作主语，表示一般或抽象的习惯性行为，谓语动词用_数。 e.g. 1) _ (see) is believing. 2) _ (read) aloud i

7、s very important for us to learn English. 3) _ (play) badminton is my favourite sport.,Seeing,Reading,Playing,单,Exercise 1 Complete the sentences with the -ing form of the verbs in the box. Then answer the questions. (WB P76),Skiing,Crying,Learning,finishing,Getting,Talking,Translating the following

8、 sentences.,1. 阅读是扩大你的词汇量的一个好方法。2. 沉迷手机是浪费时间的。3. 争论此类事情无益。4. 参加这个活动是值得的。,Translating the following sentences.,1. 阅读是扩大你的词汇量的一个好方法。Reading is a good way to enlarge your vocabulary. 2. 沉迷手机是浪费时间的。Being addicted to smartphones is a waste of time.3. 争论此类事情无益。Arguing about such things is no good. 4.参加这个活

9、动是值得的。Taking part in this activity is worthwhile.,1. Being addicted to smartphones is a waste of time.2. Arguing about such things is no good. 3. Taking part in this activity is worthwhile.,Its a waste of time being addicted to smartphones.,Its no good arguing about such things.,Its worthwhile takin

10、g part in this activity.,2. 有时为了句子平衡，避免头重脚轻, 用it作形式主语，而把真正的主语(动词-ing短语)后置。常见的固定句型有：,It is/was a waste of time doing 做是浪费时间的It is/was no good doing 做是没益的It is/was no use doing 做是无用处的It is/was worth doing 做是值得的There is no sense in doing 做没有道理,2. 有时为了句子平衡，避免头重脚轻, 用it作形式主语，而把真正的主语(动词-ing短语)后置。常见的固定句型有：,

11、动词-ing形式作主语,1 It is both challenging and rewarding to study abroad. 2 It would hardly be possible to go on a hiking tour in Sarek in winter due to the extreme cold.,Studying abroad is both challenging and rewarding.,Going on a hiking tour in Sarek in winter would hardly be possible due to the extrem

12、e cold.,3 Honestly, it can be both exciting and terrifying to explore a vast unknown land.,Honestly, exploring a vast unknown land can be both exciting and terrifying.,动词-ing形式作主语,4 It is good to adopt a positive attitude, even when things are difficult.,Adopting a positive attitude is good, even wh

13、en things are difficult.,5 It is strongly advised to hire local guides, because they can offer accurate knowledge of Sarek culture and history.,Hiring local guides is strongly advised, because they can offer accurate knowledge of Sarek culture and history.,WB P76 Ex.3,Travelling to cold, dark, and r

14、emote Arctic Norway in mid-winter can be _ especially for those _. _ the lack of daylignt and difficulities in transport is extremely important. Last January, we found a few mountain passes were closed, so _ was not easy , but _ the northern lights was an incredible experience. _ did help a lot. _in

15、 low light actually took us quite some time during our _ stage. Finally, _ was necessary and helpful for this trip.,fascinating,looking for totally different experiences,Realising,moving around,appreciating,Booking transportation and hotels online,Figuring out how to take pictures,planning,hiring a

16、local tour guide,Fill in each blank using the -ing form of a verb from the box and state its function. One word will be used twice.,Xixi National Wetland Park, _ 10 square kilometres in western Hangzhou, is the first national wetland park in China. _ city life, nature, and wetlands makes the park a

17、popular destination both for tourists and local residents. At Xixi, _ a boat tour, _ along paths, and _ local customs and traditions of the villages in this park are at the top of the list of peoples favourite activities. With trees, bushes, and colourful flowers _ along the riversides, the park sho

18、ws different sides of beauty in different seasons. In order to better develop as well as preserve this place, _ human impact on Xixi Wetland was considered by the park designers. All the new buildings were designed in a traditional way to fit into the natural environment. This green, watery world is

19、 home to many birds and fishes. With trees _ in the shallows, the wetland is a natural system for providing clean water and producing oxygen, which makes it the “green lungs of Hangzhou”.,P29 3,combine cover grow take limit walk experience,covering,Combining,taking,walking,experiencing,growing,limit

20、ing,growing,attribute,subject,subject,subject,subject,O-C,subject,O-C,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,形容词性物主代词+动词-ing,名词所有格+动词-ing,动词-ing作 主 语,Its a waste time doing sth,Its useless/no use/no good doing sth,Its no fun doing sth,动词原形+-ing,THANK YOU !,Entrepreneurial activities differ substantially depending on the type of organization and creativity. l activities differ substantially depending on the type of organization and creativity.,