高中英语选择性必修一 Unit3 Fascinating Parks Period 3 Discover useful structures

1、 Unit3 Fascinating Parks Period3 Discover useful structures选择性必修一人教版（2019）ObservationObserve the following sentences and the feature of the v-ing. 1.Being in such a beautiful and wild place makes me feel blessed to be alive.2. It is no use crying over spilt milk.V-ing form acts as subject主语真正主语形式主语O

2、bservationObserve the following sentences from the reading passage. 3.Even though the sun is brightly shining, telling whether it is morning or night is impossible. 4. For hundreds of years, looking after reindeer was a way of life for the Sami.主语主语Conclusion The verb-ing form as subject 概念：Verb-ing

3、形式做主语表示一般的、抽象的或习惯性的动作。形式主动式被动式一般式doingbeing done完成式having donehaving been doneVerb-ing的否定形式是在其前面加notStudy1.表示一般的、抽象的或习惯性的动作。e.g. 1）Facing up to your problem rather than running away from them is the best approach to working things out.翻译： 2）Watching the dolphin and sea lion shows is both educational

4、 and fun.翻译：直面问题而不是逃避问题是解决它们的最佳途径。观赏海豚和海狮表演既有教育意义又有趣。Study2. it作形式主语，代替真正做主语的V-ing形式。e.g. 1）It is no use arguing with him about the matter. 2）It is a waste of time dealing with the problem. 常见句型有：It is/was no use/good +doing sth. It is/was of little use/good doing sth. Its a waste of time doing sth.

5、等等。 Study 3.常考形式：doing 表示动作发生在谓语动词之后或几乎同时发生。 having done 表示动作发生在谓语动词之前。 being done 表示动词与其逻辑主语为被动关系。 e.g. 1) Swimming is my favorite sports. 2)Being caught in the rain made me sad. 3) Having cycling around the countryside made us relaxed and happy. Exercise 1） （work）with those famous scientists helpe

6、d me learn a lot .2） （invite）to the party is a great honour for the whole family.3) (walk) in the sandstorm for two hours, he can not finish the task on time.4) Not (finish) his homework made him very sad.WorkingBeing invitedHaving walkingfinishingStudy 4.动名词的复合结构：物主代词或名词所有格+动名词，此处的物主代词或名词所有格是动名词的逻辑

7、上的主语。这种结构通常在句中作主语或宾语。eg. His appearing in the meeting made us surprised. Toms coming to help was a great encouragement to us.精练：1. （杰克没能按时到车站） made all of us worried.2. （他回家晚了）worries his parents.Jacks not getting to the station on timeHis coming home lateStudy 5.动名词作主语VS 不定式作主语动名词作主语侧重于表示一般的、抽象的或习惯

8、性的动作；不定式侧重于表示具体的、一次性的或尚未做的动作。1. （collect）information about childrens health is his job.2. （attend）the meeting is very important.CollectingTo attendPractice Rewrite each of the following sentences using the -ing form as the subject. How does the sentence focus change?eg. It is challenging yet really

9、fascinating to hike through the mountains in the pathless Sarek. Hiking through the mountains in the pathless Sarek is challenging yet really fascinating. Tips:In the original sentence，“it” is the formal subject and the infinitive is the real subject.In the rewritten sentence, the v-ing form is the

10、subject and the focus.Practice 1. It is both challenging and rewarding to study abroad. Studying abroad is both challenging and rewarding. 2. It would hardly be possible to go on a hiking tour in Sarek in winter due to the extreme cold.Going on a hiking tour in Sarek in winter due to the extreme col

11、d would hardly be possible. Practice 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. 4. It is good to adopt a positive attitude, even when things are difficult.Adopting a positive attitud

12、e 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 knowledge of Sarek culture and history. Discussion Do you know th

13、e Xixi National Wetland Park? Lets come to the beautiful place. Practice Fill in each blank using the v-ing form of a verb from the box and state its function. One word will be used bine cover grow take limit walk experience Xixi National Wetland Park, 10 square kilometres in western Hangzhou, is th

14、e first national wetland park in China. city life, nature, and wetlands makes the park a popular destination both for touristsand 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 activiti

15、es.covering定语：表主动Combining主语takingwalkingexperiencing主语主语主语Practice With trees, 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 t

16、he park designers. All the new buildings were designed in a traditional way 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 “gr

17、een lungs of Hangzhou”. growinggrowinglimiting宾补：with复合结构宾补：with复合结构主语Discussion How to describe a famous place that you have visited. Taking theXixi National Wetland Park as an example.Introduce the locationA boat tour to enjoy the beauty scenery Some interesting activities and live showConclusion

18、and complimentDiscussion Lets watch a video to enjoy the beauty of Xixi National Wetland Park.Discussion Choose a place in your city or town as a destination for a school trip. Use the passage above as an example and write about your choice. Tips: introduce the location of the placedescribe the surr

19、oundings of the place to emphasizethe beauty.show the interesting activities that we can take part in.Exercises1. 【2020浙江卷】Later, they learned to work with the seasons, planting at the right time and, in dry areas, _（make）use of annual floods to irrigate their fields.2. 【2020新高考I卷】 As well as looking at exhibits,visitors can play with computer simulations and imagine themselves living at a different time in histor