【課件】Unit3DiscoverUsefulStructures-課件高中英語人教版選擇性必修第一冊

1、Unit 3 Fascinating Parks Discover Useful Structures -V-ing 形式作主語形式作主語Learning objectivesIn this class, you will recognize and summarize the function and meaning of the ing form as the subject;1. Getting here is quite difficult.2. Being in such a beautiful and wild place makes me feel blessed to be a

2、live.subject in the ing formActivity 1: Observe the sentences.+ verb動詞動詞-ing形式由形式由“動詞動詞 + + ing形式形式”構(gòu)成構(gòu)成, , 該結(jié)構(gòu)可以在該結(jié)構(gòu)可以在句中作主語句中作主語, , 動詞動詞-ing形式作主語多指抽象的、概念性形式作主語多指抽象的、概念性的動作的動作, , 可以是經(jīng)常性的行為?？梢允墙?jīng)常性的行為。Sarek National Park Europes Hidden Natural TreasureA Summer Where the Sun Never SleepsI wake up to t

3、he sound of the wind buffeting the cloth of my tent. Even though the sun is brightly shining, telling whether it is morning or night is impossible. Im above the Arctic Circle, where in summer the sun never sets. Checking my watch, I see that it is 7:30 a.m.Activity 2: Find sentences with the ing for

4、m as the subject from the text.Sarek National Park Europes Hidden Natural TreasureA Land of Mountains and IceGetting here is quite difficult, so apart from the Sami very few people have ever seen Sarek. Sarek National Park Europes Hidden Natural TreasureMan at Peace with NatureFor hundreds of years,

5、 looking after reindeer was a way of life for the Sami. Sarek National Park Europes Hidden Natural TreasureA Land of AdventureBeing in such a beautiful and wild place makes me feel blessed to be alive. Summary 1 動詞ing形式作主語一般直接放在句首，謂語動詞用單數(shù)。 Telling whether it is morning or night is impossible. For hu

6、ndreds of years, looking after reindeer was a way of life for the Sami. Activity 3: Rewrite the sentences. Example It is challenging yet fascinating to hike through the mountains in the pathless Sarek. To hike through the mountains in the pathless Sarek is challenging yet really fascinating. Hiking

7、through the mountains in the pathless Sarek is challenging yet really fascinating.Page 29, Activity 2Activity 3: Rewrite the sentences. 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. Going on a

8、 hiking tour in Sarek in winter would hardly be possible due to the extreme cold.Studying abroadis both challenging and rewarding.Activity 3: Rewrite the sentences. 3.Honestly, it can be both exciting and terrifying to explore a vast unknown land. 4.It is good to adopt a positive attitude, even when

9、 things are difficult. Honestly, exploring a vast unknown land can be both exciting and terrifying.Adopting a positive attitude is good, even when things are difficult.Activity 3: Rewrite the sentences. 5. It is strongly advised to hire local guides, because they can offer accurate knowledge of Sare

10、k culture and history. Hiring local guides is strongly advised, because they can offer accurate knowledge of Sarek culture and history. Summary 2 it作形式主語與動詞ing形式作主語的區(qū)別： It is both challenging and rewarding to study abroad. it作形式主語、不定式作主語后置時，句子側(cè)重表語側(cè)重表語部分部分，強調(diào)行為的特征、狀態(tài)和給人的感受強調(diào)行為的特征、狀態(tài)和給人的感受。 Studying a

11、broad is both challenging and rewarding. 動詞動詞-ing-ing形式作主語時句子形式作主語時句子側(cè)重于主語側(cè)重于主語，強調(diào)行為本，強調(diào)行為本身的具體內(nèi)容，使句子更加生動。身的具體內(nèi)容，使句子更加生動。用it作形式主語, 把動詞-ing形式后置, 常用在下面句式中。1）It is no /little use doing sth 做某事沒有/幾乎沒有用處It is worth doing sth 做某事是值得的It is a waste of time doing sth 做某事是浪費時間It is fun doing sth 便很有趣Examples

12、:It is no good quarrelling with him. 和他爭吵沒有好處。It is no use telling her not to worry. 告訴她不要著急也沒有用。Its a waste of time arguing about it. 爭論這事是浪費時間。2）用于“there be”結(jié)構(gòu)中There is no saying when it will stop raining. 無法斷定這場雨什么時候會停。There is no joking about such matters. 這種事開不得玩笑。Activity 4: Fill in each blank

13、 using the ing form.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 popular destination both for tourists and local residents. coveringCombiningcombine cover grow take limit walk e

14、xperiencePage 29, Activity 3At 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 favourite activities. With trees, bushes, and colourful flowers _ along the riversides, the park shows different sides of beauty in differe

15、nt bine cover grow take limit walk experiencetakingwalkingexperiencinggrowingActivity 4: Fill in each blank using the ing form.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 trad

16、itional 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 “green lungs of Hangzhou”.combine cover grow take limit walk ex

17、periencegrowinglimitingActivity 4: Fill in each blank using the ing form.Task: Translate the Chinese to complete the passage. Use the ing form where possible.Travelling to cold, dark, and remote Arctic Norway in mid-winter (在隆冬季節(jié)去寒冷、黑暗而偏遠(yuǎn)的北極圈內(nèi)的挪威旅游) can be _ (激動人心的) especially for those _ (尋求完全不一樣的體

18、驗). _ (意識到) the lack of daylight and difficulties in transport is extremely important. fascinatinglooking for totally different experiencesRealisingPage 76, Activity 3, WorkbookLast January, we found a few mountain passes were closed, so _ (走動) was not easy, but _ (欣賞) the northern lights was an incredible experience.moving aroundappreciatingActivity 7: Translate the Chinese to complete the passage. Use the ing form where possible._ (在線訂交通和賓館) did help a lot. _ (想出如何拍照) in low light actually took us quite some time