外研（2019）选择性必修一unit 6 Nurturing naturePeriod 2 Using language PPT(共22张)
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| 名称 | 外研（2019）选择性必修一unit 6 Nurturing naturePeriod 2 Using language PPT(共22张) |  | |
| 格式 | zip | ||
| 文件大小 | 1.8MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-08-28 13:46:10 | ||
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文档简介
(共22张PPT)
Period 2
Using Language
Uning language
Step 1. When to use
Present perfect continuos
Step 2. The difference between
present perfect &
present perfect continuous
Step 3. Comprehensive Exercises
Starting out
原文再现
A. Wild animals such as these Tibetan antelope have now been using these passages for years.
Which of these statements are true about the sentence
A. Wild animal started using these passages in the
past.
B. Wild animals used these passags only once.
C. Wild animals still use these passages now.
D. Wild animals probably continue to use thses
passages in the future.
Using language
原文再现
B. ...before I know it, we have reached Tanggula Station.
Which of these statements are true about the sentence
A. ...we reached the station before the moment of speaking.
B. ...in the following journey we will reach other stations.
C. ...in the following journey we will reach the station
repeatedly.
Using language
What's the difference between the expressions in the two sentences
Using language
Sentence A is in present perfect continous, which shows that something ①started in the past, ②has continued up until now and ③will continue in the future.
Sentence B is in present perfect, which shows that something ①started in the past and continues in the present or ②something that happened in the past but is important in the present
现在完成进行时更注重动作的持续性，而现在完成时更注重动作产生的影响和目前的状态
点拨
Using language
Look at the charts and make sentences using the present perfect continuous tense.
Wooded areas
Wooded areas have been increasing since 20 years ago.
20 years ago
10 years ago
Now
Using language
Look at the charts and make sentences using the present perfect continuous tense.
Desert areas
Desert areas have been decreasing since 20 years ago.
20 years ago
10y years ago
Now
Using language
Look at the charts and make sentences using the present perfect continuous tense.
20 years ago
10y years ago
Now
Butterfly population
Butterfly population has been growing since 20 years ago.
Undesrtanding ideas
Change each sentence into a PRESENT PERFECT CONTINOUS sentence:
Example: I started playing basketball two years ago.
1. Jim started playing football three years ago.
Jim _______________ football for three years.
2. My brother started running two years ago.
My brother _______________for two years.
3. We started learning English three years ago.
We _______________ English for three years.
I have been playing basketball for two years.
has been playing
has been running
have been learning
Using language
4. My neighbor started living here one year ago.
My neighbor _________________here for one year.
5. I started watching this movie one hour ago.
I _________________this movie for one hour.
6. They started working four hours ago.
They _________________for four hours.
7. My sister started sleeping one hour ago.
My sister _________________for one hour.
has been living
have been watching
have been working
has been sleeping
Using language
8. The teacher started talking 30 minutes ago.
The teacher _________________ for 30 minutes.
9. My sister and her friend started listening to music 20 minutes ago.
My sister and her friend __________________ to music for 20 minutes.
10. The children started playing two hours ago.
The children _________________ for two hours.
has been talking
have been listening
have been playping
Using language
Talk about how the environment has changed. Use the present perfect continous tense where appropriate.
Ecotourism is a type of tourism that conserves the environment. It encourages people to be responsible travellers and involves educating them about the natural world.
For countries such as Costa Rica, Keya and Nepal, ecotourism is an important part of the country. Some ecotourism holidays involve voluntary work, such as
planting trees or counting endangered animals.
It has been encouraging people to be responsible travellers and educating them about the natural world.
have been involving
Using language
1. 这些年来,他们一直为我们杂志写稿。
2. 从下午四点钟到现在,她一直在写信。
3. 我们一直在这所学校学习了三年。
4. 你看了多久电视了
翻译练习：使用现在完成进行时
How long have you been watching TV
We have been studying in this school for three years.
She has been writing the letter since four o”clock in the afternoon.
All these years they have been contributing articles to our magazine.
Undesrtanding ideas
单
词
清
障
1. n.经济
2. n.（热带）丛林
3. v.干扰，扰乱
4. n.散发物，排放物
5. n.经营者
6. n. （动植物或古旧建筑物的）保护工作者；环境保护主义者
_____________
_____________
_____________
_____________
_____________
_____________
economy
jungle
distrurb
emission
operator
conservationist
Using language
单
词
清
障
1. 生态友好型
2. 为新产业创造机会
3. 打扰野生动植物
4. 帮助当地经济
5. 碳排放
6. 耗尽自然资源
_____________
_____________
_____________
_____________
_____________
_____________
eco-friendly
create opportunities for new businesses
disturb the wildlife
help the local economy
carbon emission
use up natural resources
Undesrtanding ideas
Complete the passage with the expressions in the bos.
not eco-friendly create opportunities for new businesses disturb the wildife
help the local economy higher carbon emission provide more jobs use up natural resources
As tourism develops, people are becoming increasingly concerned about the environment. Here in our city, there is a heated discussion about whether a hotel should be built at White Beach. The owner of the company thinks the hotel would attract more tourists, which will_____________________ and ________________. However, the local people worry that building the hotel is ________________ and will__________________, in partlar the turtles which lay their eggs on White Beach. But they also admit that building the hotel will__________________________________ for people living in the area. Even though the owner of the company guarantees that the design will be in homony with its beautiful surroundings, the local people are still concerned that the hotel may ______________________. Increase tourist numbers will also mean more cars and aeroplanes, which in turn means_____________________.
help the local economy
provide more jobs
not eco-friendly
disturb the wildlife
create opportunities for new businesses
use up natural resources
higher carbon emission
1.(2020·和平·天津一中模)
Mary's brother has come back home from London where he________for three years as
a visiting scholar.
A. stayed B.has stayed C.stays D. had stayed
2. (2020·天津高考)
—The machine is working again!
—Yes, it broke down yesterday, but it_____.
A.has been fixed B. is being fixed C.had been fixed D. would be fixed
Undesrtanding ideas
高考链接
表示过去的过去
过去发生的事对现在的状态很重要
Undesrtanding ideas
3. (2020江苏高考)
Instead of geting down to a new task as I______, he examined the previous work again.
A.had expected B.have expected C.woud expect D.expect
4. (2020江苏高考)
If you look at all sides of the situation, you'll find probably a solution that_______everyone.
A. suit B.suited C. suits D.has suited
5. (2020黑龙江模）
—Did Linda see the traffic accident —No, no sooner ______than it happened.
A. had she gone B. she had gone C. has she gone D. shehas gone
表示过去的过去
只表示现在，与过去无关
表示过去的过去
Undesrtanding ideas
6. (2020天津高考)
The number of medical schools reached 18 in the early 1990s and _______ around that
level since.
A. are remaining B. have remained C. is remaining D. has remained
7. (天津红桥高三模)
The number of people, who have access to their own cars, ________ sharply in the past
decades.
A. rose B. is rising C. have risen D has risen
表示从过去到现在
表示从过去到现在
See you next time
感谢您的观看
Period 2
Using Language
Uning language
Step 1. When to use
Present perfect continuos
Step 2. The difference between
present perfect &
present perfect continuous
Step 3. Comprehensive Exercises
Starting out
原文再现
A. Wild animals such as these Tibetan antelope have now been using these passages for years.
Which of these statements are true about the sentence
A. Wild animal started using these passages in the
past.
B. Wild animals used these passags only once.
C. Wild animals still use these passages now.
D. Wild animals probably continue to use thses
passages in the future.
Using language
原文再现
B. ...before I know it, we have reached Tanggula Station.
Which of these statements are true about the sentence
A. ...we reached the station before the moment of speaking.
B. ...in the following journey we will reach other stations.
C. ...in the following journey we will reach the station
repeatedly.
Using language
What's the difference between the expressions in the two sentences
Using language
Sentence A is in present perfect continous, which shows that something ①started in the past, ②has continued up until now and ③will continue in the future.
Sentence B is in present perfect, which shows that something ①started in the past and continues in the present or ②something that happened in the past but is important in the present
现在完成进行时更注重动作的持续性，而现在完成时更注重动作产生的影响和目前的状态
点拨
Using language
Look at the charts and make sentences using the present perfect continuous tense.
Wooded areas
Wooded areas have been increasing since 20 years ago.
20 years ago
10 years ago
Now
Using language
Look at the charts and make sentences using the present perfect continuous tense.
Desert areas
Desert areas have been decreasing since 20 years ago.
20 years ago
10y years ago
Now
Using language
Look at the charts and make sentences using the present perfect continuous tense.
20 years ago
10y years ago
Now
Butterfly population
Butterfly population has been growing since 20 years ago.
Undesrtanding ideas
Change each sentence into a PRESENT PERFECT CONTINOUS sentence:
Example: I started playing basketball two years ago.
1. Jim started playing football three years ago.
Jim _______________ football for three years.
2. My brother started running two years ago.
My brother _______________for two years.
3. We started learning English three years ago.
We _______________ English for three years.
I have been playing basketball for two years.
has been playing
has been running
have been learning
Using language
4. My neighbor started living here one year ago.
My neighbor _________________here for one year.
5. I started watching this movie one hour ago.
I _________________this movie for one hour.
6. They started working four hours ago.
They _________________for four hours.
7. My sister started sleeping one hour ago.
My sister _________________for one hour.
has been living
have been watching
have been working
has been sleeping
Using language
8. The teacher started talking 30 minutes ago.
The teacher _________________ for 30 minutes.
9. My sister and her friend started listening to music 20 minutes ago.
My sister and her friend __________________ to music for 20 minutes.
10. The children started playing two hours ago.
The children _________________ for two hours.
has been talking
have been listening
have been playping
Using language
Talk about how the environment has changed. Use the present perfect continous tense where appropriate.
Ecotourism is a type of tourism that conserves the environment. It encourages people to be responsible travellers and involves educating them about the natural world.
For countries such as Costa Rica, Keya and Nepal, ecotourism is an important part of the country. Some ecotourism holidays involve voluntary work, such as
planting trees or counting endangered animals.
It has been encouraging people to be responsible travellers and educating them about the natural world.
have been involving
Using language
1. 这些年来,他们一直为我们杂志写稿。
2. 从下午四点钟到现在,她一直在写信。
3. 我们一直在这所学校学习了三年。
4. 你看了多久电视了
翻译练习：使用现在完成进行时
How long have you been watching TV
We have been studying in this school for three years.
She has been writing the letter since four o”clock in the afternoon.
All these years they have been contributing articles to our magazine.
Undesrtanding ideas
单
词
清
障
1. n.经济
2. n.（热带）丛林
3. v.干扰，扰乱
4. n.散发物，排放物
5. n.经营者
6. n. （动植物或古旧建筑物的）保护工作者；环境保护主义者
_____________
_____________
_____________
_____________
_____________
_____________
economy
jungle
distrurb
emission
operator
conservationist
Using language
单
词
清
障
1. 生态友好型
2. 为新产业创造机会
3. 打扰野生动植物
4. 帮助当地经济
5. 碳排放
6. 耗尽自然资源
_____________
_____________
_____________
_____________
_____________
_____________
eco-friendly
create opportunities for new businesses
disturb the wildlife
help the local economy
carbon emission
use up natural resources
Undesrtanding ideas
Complete the passage with the expressions in the bos.
not eco-friendly create opportunities for new businesses disturb the wildife
help the local economy higher carbon emission provide more jobs use up natural resources
As tourism develops, people are becoming increasingly concerned about the environment. Here in our city, there is a heated discussion about whether a hotel should be built at White Beach. The owner of the company thinks the hotel would attract more tourists, which will_____________________ and ________________. However, the local people worry that building the hotel is ________________ and will__________________, in partlar the turtles which lay their eggs on White Beach. But they also admit that building the hotel will__________________________________ for people living in the area. Even though the owner of the company guarantees that the design will be in homony with its beautiful surroundings, the local people are still concerned that the hotel may ______________________. Increase tourist numbers will also mean more cars and aeroplanes, which in turn means_____________________.
help the local economy
provide more jobs
not eco-friendly
disturb the wildlife
create opportunities for new businesses
use up natural resources
higher carbon emission
1.(2020·和平·天津一中模)
Mary's brother has come back home from London where he________for three years as
a visiting scholar.
A. stayed B.has stayed C.stays D. had stayed
2. (2020·天津高考)
—The machine is working again!
—Yes, it broke down yesterday, but it_____.
A.has been fixed B. is being fixed C.had been fixed D. would be fixed
Undesrtanding ideas
高考链接
表示过去的过去
过去发生的事对现在的状态很重要
Undesrtanding ideas
3. (2020江苏高考)
Instead of geting down to a new task as I______, he examined the previous work again.
A.had expected B.have expected C.woud expect D.expect
4. (2020江苏高考)
If you look at all sides of the situation, you'll find probably a solution that_______everyone.
A. suit B.suited C. suits D.has suited
5. (2020黑龙江模）
—Did Linda see the traffic accident —No, no sooner ______than it happened.
A. had she gone B. she had gone C. has she gone D. shehas gone
表示过去的过去
只表示现在，与过去无关
表示过去的过去
Undesrtanding ideas
6. (2020天津高考)
The number of medical schools reached 18 in the early 1990s and _______ around that
level since.
A. are remaining B. have remained C. is remaining D. has remained
7. (天津红桥高三模)
The number of people, who have access to their own cars, ________ sharply in the past
decades.
A. rose B. is rising C. have risen D has risen
表示从过去到现在
表示从过去到现在
See you next time
感谢您的观看