Unit 3 Discovering Useful Structures ppt课件-（2019）新人教版高中英语选择性必修第一册.pptx

1、Discovering Useful Structures P29 新人教新人教版选择性必修版选择性必修 Book 1 Unit 3 Fascinating parks learning objectives： 1. recognize and summarize the function and meaning of the -ing form as the subject . 能辨认和总结动词ing形式作主语的功能和 意义。 2. use the -ing form as the subject to describe a place in wrting . 在写作中能使用动词ing形式作

2、主语来描述 一个地方。 rewarding bush lung adj. 值得做的；有益的值得做的；有益的 n. 灌木灌木 n. 肺肺 reward v. 奖赏 1. Her hobby is collecting stamps. 2. He found her a charming girl. 3. Checking my watch,I see its 7:30am. 4. She enjoys drawing. 5. I found a bag lying on the ground. What are the functions of the ing form in the sente

3、nces? 作表语作表语 作定语作定语 作状语作状语 作宾语作宾语 作宾语补足语作宾语补足语 Getting here is quite difficult. Being in such a beautiful and wild place makes me feel blessed to be alive. 作主语。动名词作主语时，作主语。动名词作主语时， 谓语动词用单三形式。谓语动词用单三形式。 Activity 2: Find more sentences with the -ing form as the subject from the text . Translate them i

4、n Chinese and find the subject. 作伴随状语作伴随状语 作原因状语作原因状语 1.Find the sentence with the -ing form as the subject（主语） from Para.2 2 . Translate it in Chinese and find the subject. 作结果状语作结果状语 1.Find the sentence with the -ing form as the subject（主语） from Para.3 2 . Translate it in Chinese and find the subj

5、ect. 作伴随状语作伴随状语 1.Find the sentence with the -ing form as the subject（主语） from Para.4 2 . Translate it in Chinese and find the subject. 作伴随状语作伴随状语 Summary 1: 1.1.直接放在句首直接放在句首，谓语，谓语 动词用动词用单数单数。 Walking is a good form of exercise for both the young and the old. Going to Hangzhou by train takes about 1

6、6 hours. it作形式主语。不定式作真正主语作形式主语。不定式作真正主语 动名词作主语动名词作主语 1. It 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 Studying abroad would hardly be possible due to the extreme cold. i

7、s both challenging and rewarding. 3. Honestly, it can be both exciting and terrifying to explore a vast unknown land. can be both exciting and terrifying. Honestly, exploring a vast unknown land 5. It is strongly advised to hire local guides, because they can offer accurate knowledge of Sarek cultur

8、e and history. Hiring local guides is strongly advised, because they can offer accurate knowledge of Sarek culture and history. 4. It is good to adopt a positive attitude, even when things are difficult. Adopting a positive attitude is good, even when things are difficult. Summary 2： is both challen

9、ging and rewarding ，句子，句子 ，句子，句子 Activity 4： Fill in each blank using the -ing form of a verb from the box and state its function .One word will be used twice . combine cover grow take limit walk experience 限制 走路 经历;体验 Xixi National Wetland Park Fill in each blank using the -ing form of a verb from

10、the box and state its function. One word will be used twice. combine/ cover/ grow/ take /limit /walk /experience 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 bo

11、th 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 covering Combining taking walking experiencing 定语

12、定语 主语主语 主语主语 主语主语 主语主语 growing 定语定语 Fill in each blank using the -ing form of a verb from the box and state its function. One word will be used twice. combine cover grow take limit walk experience riversides, the park shows different sides of beauty in different seasons. In order to better develop a

13、s 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 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 . growing limiting 主语主语 定语定语 exciting looking for totally different experiences Realising mountain passes 山口 incredible 奇妙的;不可思议的 Thank you!