（2019版）新人教版选择性必修第一册Unit 3Discover useful structures (v-ing做主语)ppt课件.pptx

1、Fascinating Parks动词-ing形式作主语Have you ever seen these signs?the ing formWhat 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.amazingsleepingplayingListeningpredicati

2、ve 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 number of Sami sti

3、ll 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 I am, alone u

4、nder 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, _ (look) after reindeer w

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

6、differ substantially depending on the type of organization and creativity.动词-ing形式作主语Focus on Focus on 基本用法基本用法the form used as subject -ing形式作形式作主语主语，相当于一个，相当于一个名词名词, 多指多指抽象抽象、概念性概念性的动作，的动作，经常性经常性或或习惯性习惯性行为。行为。动词-ing形式作主语1. 动词动词-ing形式作主语，表示一般或抽象的习惯性行为，形式作主语，表示一般或抽象的习惯性行为，谓语动词用谓语动词用_数数。 e.g. 1) _ (s

7、ee) is believing. 2) _ (read) aloud is very important for us to learn English. 3) _ (play) badminton is my favourite sport. SeeingReadingPlaying单Exercise 1 Complete the sentences with the -ing form of the verbs in the box. Then answer the questions. (WB P76)SkiingCryingLearningfinishingGettingTalkin

8、gTranslating the following 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 thi

9、ngs is no good. 4.参加这个活动是值得的。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.I

10、ts worthwhile taking 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 做做是是浪费时间的浪费时间的It is/was no good doing 做做是没益的是没益的It is/was no use doing 做做是是无无用处的用处的It is/was worth doing 做做是值得的是值得的There is no sense in doing 做做没有道理没有道理2. 有时为了句子平衡，有时为

11、了句子平衡，避免头重脚轻避免头重脚轻, 用用it作形式主语，而把作形式主语，而把真正的主语真正的主语(动词动词-ing短语短语)后置。常见的固后置。常见的固定句型有：定句型有：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

12、.Going on a hiking tour in Sarek in winter would hardly be possible due to the extreme 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 attitu

13、de, even when things are difficult.Adopting a positive attitude is good, even when 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 know

14、ledge of Sarek culture and history.WB P76 Ex.3 Travelling to cold, dark, and remote 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 ,

15、 but _ the northern lights was an incredible experience. _ did help a lot. _in low light actually took us quite some time during our _ stage. Finally, _ was necessary and helpful for this trip.fascinatinglooking for totally different experiencesRealisingmoving aroundappreciatingBooking transportatio

16、n and hotels onlineFiguring out how to take picturesplanninghiring a local tour guideFill 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

17、 park in China. _ city life, nature, and wetlands makes the park a 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,

18、 bushes, and colourful flowers _ along the riversides, the park shows 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 w

19、ay to fit into the natural environment. This green, watery world is 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 3combine cover grow take limit walk experi

20、encecoveringCombiningtakingwalkingexperiencinggrowinglimitinggrowingattributesubjectsubjectsubjectsubjectO-CsubjectO-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 语动词-ing的复合结构Its a waste time doing sthIts useless/no use/no good doing sthIts no fun doing sthit 作形式主语动词原形+-ing基本构成基本用法动词-ing与动词不定式作主语的区别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.