资源简介

(共25张PPT)
Unit 3 Fascinating Parks
Learning About Language (2):
Discover useful structures
In this class, you will
1. identify and understand the meaning and functions of the -ing form as the subject;
2. conclude the usage of the -ing form as the subject;
3. introduce a park by using the -ing form as the subject.
Learning Objectives
Zhangye National Geopark
Zhangjiajie National Forest Park
Xixi National Wetland Park
Sanjiangyuan National Park
Video time
1. What is surely a rare experience in the park
2. What are also possible in the park
Video time
1. What is surely a rare experience in the park
2. What are also possible in the park
Visiting the colourful mountains is surely a rare experience.
Wandering around the park, enjoying sunrise and taking photos are also possible here.
Visiting the colourful mountains is surely a rare experience.
Wandering around the park, enjoying sunrise and taking photos are also possible here.
subject (主语)
subject (主语)
Observe & Think:
What’s the function of the -ing form
Visiting the colourful mountains is surely a rare experience.
Wandering around the park, enjoying sunrise and taking photos are also possible here.
Observe & Think:
Why do we use the -ing form as the subject
To describe the specific activities or something we usually do
Visiting the colourful mountains is surely a rare experience.
We can visit the colourful mountains. It’s surely a rare experience.
To make the sentences more concise
To emphasize the activities
Compare & Think:
Why do we use the -ing form as the subject
Welcome to Zhangye National Geopark (张掖丹霞地质公园) in Gansu Province! Taking a trip here is a highlight of any trip to China.
The park is famous for the natural beauty of its rocks. Forming of the rocks took many millions of years and involved many kinds of erosion (侵蚀) such as wind and water on the red sandstone. The rocks are so unique that it is worth keeping them in their natural state.
You can do a lot of things in the park. Visiting the colourful mountains is surely a rare experience. Wandering around the park, enjoying sunrise and taking photos are also possible here.
All in all, it is fascinating to enjoy the colourful scenery in Zhangye National Geopark. Being in such a beautiful place makes you feel blessed to be alive. Not coming here would be a great regret in your life.
Find out all the sentences with the -ing form as the subject.
Observe & Discover
Taking a trip here is a highlight of any trip to China.
Visiting the colourful mountains is surely a rare experience.
Being in such a beautiful place makes you feel blessed to be alive.
Not coming here would be a great regret in your life.
Structure :
V-ing
be / V
...
+
+
(not)
Observe & Discover
Taking a trip here is a highlight of any trip to China.
Visiting the colourful mountains is surely a rare experience.
Being in such a beautiful place makes you feel blessed to be alive.
Wandering around the park, enjoying sunrise and taking photos are also possible here.
Summary 1：V-ing作主语，表示具体的行为或习惯， 谓语动词用单数。但多个 V-ing作主语描述多个行为时，谓语动词用复数。
... it is worth keeping them in their natural state.
It is pleasant enjoying the natural beauty in Zhangye National Geopark.
It is a waste of time playing computer games all the time.
It is useless/no use crying over split milk.
Summary 2：用it作形式主语指代V-ing的常用句型
做某事是值得的：
做某事是愉快的：
做某事是浪费时间的：
做某事是没用的：
形式主语
It is useless/no use doing ...
It is a waste of time doing ...
It is pleasant doing ...
It is worth/worthwile doing ...
Observe & Discover
It is fascinating to enjoy the colourful scenery in Zhangye National Geopark.
To enjoy the colourful scenery in Zhangye National Geopark
形式主语
is fascinating.
Enjoying the colourful scenery in Zhangye National Geopark is fascinating.
more natural, more commonly used
to do VS doing
to do VS doing
Travelling is my hobby.
To travel is my hobby.
Going on a hiking tour in Sarek tomorrow is unwise due to the extreme cold.
To go on a hiking tour in Sarek tomorrow is unwise due to the extreme cold.
Used as the subject:
√ doing
√ to do
× do
× done
doing作主语表示经常性、习惯性的行为或已知的经验；
to do作主语表示某次具体且未完成的行为。
2. It is wonderful to see pandas in Giant Panda National Park.
Seeing pandas in Giant Panda National Park is wonderful.
Practice:
Rewrite the sentences using the -ing form as the subject
1. It is incredible to see branches of river flow through the valley in Sanjiangyuan National Park.
Seeing branches of river flow through the valley in Sanjiangyuan National Park
is incredible.
Summary 3：it作形式主语时，句子侧重于表语部分，强调行为__________________________。V-ing作主语时，句子侧重于主语部分，强调行为__________________________。
A. 特征、状态或给人的感受
B. 本身的具体内容
1. It is fascinating to enjoy the colourful scenery in Zhangye National Geopark.
2. It is incredible to see branches of river flow through the valley in Sanjiangyuan National Park.
1. Enjoying the colourful scenery in Zhangye National Geopark is fascinating.
2. Seeing branches of river flow through the valley in Sanjiangyuan National Park is incredible.
it作形式主语
V-ing作主语
Compare & Discover
Practice:
Complete the introduction to Xixi National Wetland Park
Travelling to Xixi National Wetland Park ________ (allow) you to enjoy natural beauty. ________ (take) a boat tour, ________ (walk) along paths, and ____________ (experience) local customs and traditions of the villages
in this park _____ (be) at the top of the list of people’s favourite activities. In order to preserve the park, ___________ (不允许) people to pour waste water within park boundaries was considered by the park designers.
Taking
walking
are
allows
experiencing
not allowing
Practice:
Complete the introduction to Zhangjiajie
_______ (be) one of the ten fascinating forests in the world _______ (make) Zhangjiajie National Forest Park a popular destination for visitors from all over the world.
It is pleasant _______ (take) a trip here. ____________________________ __________________(enjoy the splendid landscape, take a raft ride) top the list of tourists’ favourite activities. It is also worth _______________________ (experience the local customs) of the Tujia people and the Miao people. Finally, ____________________ (雇一位当地的导游) may be helpful for the trip here.
Being
taking
makes
Enjoying the splendid landscape
and taking a raft ride
experiencing the local customs
hiring a local tour guide
Dear friends,
I am going to China next week. I heard that there are many fascinating parks there. Could you please recommend one of them to me
Best wishes,
Jason
Dear Jason,
I’m glad that you are coming to China. Hearing that you want to visit some parks, I’m writing to recommend my favourite one to you, that is, Dafushan Forest Park.
Known as the “green lungs of Panyu, Guangzhou”, Dafushan is a forest park with beautiful natural scenery. ______________ is possible here, and __________________________________________________________. What’s more, ____________________________________________.
All in all, ___________________________. I am looking forward to meeting you in Guangzhou!
Best wishes,
Kaiying
Transfer & Create: Complete the letter using the -ing form as the subject.
Transfer & Create:
Complete the letter with the help of the photos
Evaluation form (评价表) 1. Use at least three sentences with V-ing as the subject. ☆☆☆
2. Use the correct form of verbs according to the subject. ☆☆☆
3. The sentences show the activities that can be done in the park. ☆☆☆
Dear Jason,
I’m glad that you are coming to China. Hearing that you want to visit some parks, I’m writing to recommend my favourite one to you, that is, Dafushan Forest Park.
Known as the “green lungs of Panyu, Guangzhou”, Dafushan is a forest park with beautiful natural scenery. Renting cycles is possible here, and cycling along paths tops the list of people’s favourite activities in the park. What’s more, climbing hills, enjoying the splendid landscape and having a picnic are also fascinating.
All in all, it is worth taking a trip to Dafushan. I am looking forward to meeting you in Guangzhou!
Best wishes,
Kaiying
One possible version:
Summary: the -ing form as the subject
1 Why & How
2 用形式主语it指代V-ing的常用句型
描述和强调具体的行为或习惯，且使句子更简洁。
It is worth/pleasant/useless/no use/a waste of time doing ...
it作形式主语：强调行为特征、状态或给人的感受；
V-ing作主语：强调行为本身的具体内容。
通常直接置于句首，谓语动词用单数。
但多个 V-ing作主语描述多个行为时，谓语动词用复数。
3 it作形式主语与V-ing作主语的区别
Summary: fascinating parks in China
Our motherland so rich in beauty, has made countless heroes vie to pay her their duty.
江山如此多娇，引无数英雄竞折腰。
-- 毛泽东
Homework
1. Complete the exercise on the homework sheet;
2. Write a letter to Jason to recommend your favourite park in China.

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