（新教材）人教版（2019）高中英语选择性必修第一册Unit3 Discover useful structures 语法 ppt课件.pptx

1、Learning objective: To learn and practice the -ing form used as subject(主语主语). P29-1 Identify the function of the -ing form in the sentence below. Getting here is quite difficult. Being in such a beautiful and wild place makes me feel blesses to be alive. 作主语作主语 作主语作主语 P34-2 1. (See) the colorful mo

2、untains and rocky landscape impressed me most when visiting Zhangye Danxia Geopark/ Geological Park. Seeing 2. _ (admire) the magnificent peaks/ landscape, _ (take) a raft ride, and _ (experience) the local customs of the Tujia people and the Miao people top the list of tourists favorite activities

3、in Zhangjiajie. Admiring taking experiencing 3. _ (take) a boat tour and _ (admire) the karst landscape are things that tourists like to do at Guilins Li River. Takingadmiring 4. _ (view) glaciers at Yulong Snow Mountain and _ (listen) to the sound of rushing water at Tiger Leaping Gorge appeal to a

4、dventurous tourists in Lijiang, Yunnan Province Viewing listening 动词动词-ing形式作主语形式作主语 在一些句子中，常用在一些句子中，常用it作形式主语放在作形式主语放在 句首，而把真正的主语放到句末。句首，而把真正的主语放到句末。 如：如： Crying over spilt milk is no use. It is no use crying over spilt milk. Its a waste of time doing 做做是浪费时间的是浪费时间的 Its no good / use doing 做做是没益是没益

5、/用处的用处的 Its worth / worthwhile doing 做做是值得的是值得的 常用常用-ing形式作主语的句型有：形式作主语的句型有： P29-2 Rewrite each of the following sentences using the -ing form as the subject. EXAMPLE It is challenging yet really fascinating to hike through the mountains in the pathless Sarek. Hiking through the mountains in the pat

6、hless Sarek is challenging yet really fascinating. 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 wou

7、ld hardly be possible due to the extreme cold. 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 things are difficult. Honestly, exploring a vast unknown land can be both exciting and terrifying. Adopting a positiv

8、e 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 knowledge of Sarek culture and history. Fill in the blank

9、s 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 kilometers 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

10、and local residents. At Xixi, a boat tour, covering Combining combine cover grow take limit walk experience taking 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 th

11、e 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 experiencing growing limiting combine cover grow take limit walk experience walking park designers. All the new b

12、uildings 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 combine cover grow take limit walk experience 1. Ex.76-1 2. 同步练习册同步练习册 3. 整理课文中整理课文中-ing形式的语句，理解其表达形式的语句，理解其表达 的意义。的意义。