Unit 6 Nurturing Nature Using language 课件(共43张PPT)-外研版（2019）选择性必修第一册
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| 名称 | Unit 6 Nurturing Nature Using language 课件(共43张PPT)-外研版（2019）选择性必修第一册 |
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| 格式 | pptx | ||
| 文件大小 | 56.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2026-01-03 21:46:20 | ||
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(共43张PPT)
Unit 6 Nurturing nature
Present perfect continuous
To learn the use of present perfect continuous tense
To use the present perfect continuous tense to talk about how the environment where you live has changed
Look at the sentences from the reading passage and answer the questions.
a Wild animals such as these Tibetan antelopes have now been using these passages tor years.
b …before I know it, we have reached Tanggula
Station.
观察归纳
1 Which of these statements is true about sentence(a)
(1) Wild animals started using these passages in the past.
(2) Wild animals used these passages only once.
(3) Wild animals still use these passages now.
a Wild animals such as these Tibetan antelopes have now been using these passages tor years.
2 What is the difference between the expressions in red in sentences (a) and (b)
a Wild animals such as these Tibetan antelopes have now been using these passages tor years.
b …before I know it, we have reached Tanggula
Station.
a: have been using
b: have reached
a: have been doing – present
perfect continuous
b: have done – present perfect
Now look for more sentences with the present perfect continuous tense in the reading passage, and summarise its use in your own words.
1 The train has been racing along steadily since it left Xining.
2 All this time the song “Sky Railway” has been playing inside my head.
3 Wild animals such as these Tibetan antelopes have now been using these passages for years.
4 The Qinghai-Tibet Plateau has been attracting people’s admiration for centuries.
5 Now, thanks to our efforts, passengers from all over the country have been enjoying these magical landscapes.
Pay attention to the expression in red and underlined.
1 The train has been racing along steadily since it left Xining.
2 All this time the song “Sky Railway” has been playing inside my head.
3 Wild animals such as these Tibetan antelopes have now been using these passages for years.
观察归纳
4 The Qinghai-Tibet Plateau has been attracting people’s admiration for centuries.
5 Now, thanks to our efforts, passengers from all over the country have been enjoying these magical landscapes.
现在完成时常与all this time, now等时间状语以及由since或for引导的时间状语连用。
现在完成进行时
总结 例句
构成 have / has + been + 动词-ing形式 Tom has been watching TV programmes since seven o'clock this evening.
I have been working here for five years.
总结 例句
用法 表示一个由过去某一时间开始一直持续到现在的动作(可能刚结束，也可能还要进行下去)。 I've been doing my
housework all morning and I've just finished it.
How long have you been
wearing glasses
有时表示动作的重复。 David has been coughing a lot lately. He ought to give up smoking.
有时带有感彩。 Too much has been happening today!
总结 例句
常搭配的时间状语 all this time, this week, this month, all night, all the morning, recently等状语以及由since和for引导的短语或从句 My sister’s been writing letters all night.
He is ill. He’s been lying in bed for three weeks.
We’ve been living in this city since we got married.
1. 未完结性。现在完成时表示动作已完成, 而现在完成进行时则常常具有未完成含义。
2. 短暂性。现在完成时与现在完成进行时都可表示延续至今的状态, 但是现在完成进行时常常表示短暂性。如：
They have lived in New York. （长期性）
They have been living in New York.（短暂性）
现在完成进行时与现在完成时的区别
3. 连续性或重复性。现在完成进行时常常用于表示延续至今的连续性或重复性动作。如：
I’ve been knocking. I don’t think anybody’s in.
【语境应用】选用括号内合适的内容完成下面对话。
Molly: Mum, you look really tired. What 1. _____________________ (are you doing, have you been doing) all day
Mum: I 2. _____________________ (am cleaning, have been cleaning) the house.
Molly: 3. ___________________ (Have you seen, Have you been seeing) a gold necklace
have you been doing
have been cleaning
Have you seen
Mum: No, I have cleaned all the rooms but haven't seen it. How long 4. _______________________ (were you looking for, have you been looking for) it
Molly: Well, I 5. _____________________ (didn't see, haven't seen) it since last week.
Mum: Amanda has tidied up a lot today. 6. ________________ (Have you asked, Have you been asking) her yet
Molly: No, I'll ask her now. Thanks, Mum.
have you been looking for
haven't seen
Have you asked
Complete the passage with the correct form of the verbs in brackets.
I 1________________ (hear) a strange sound for a while. It’s a deep, loud roar, like a lion’s. But there aren’t any lions here... Or are there Soon I see what 2_________________ (make) the noise: a howler monkey. Now I feel less worried. Realising that something 3_______________ (move) on my shoulder, I turn my head to look at it. Oh no! It's a giant spider! I brush it off and it runs under some leaves. I try to bat away the huge insects, which 4_______________ (fly) around my head in a black cloud for quite a while.
have been hearing
has been making
is moving
have been flying
I pull off the headset and I’m back in my living room. Thank goodness! I 5_______________ (give) the latest virtual reality headset and, for the last twenty minutes, I 6________________ (use) it to explore the Amazon. This is an amazing experience and a reminder of how many species there are in the rain forest. We must do all we can to protect it.
have been given
have been using
Look at the charts and make sentences using the present perfect continuous tense.
1. The number of trees has been increasing in the last 20 years.
2. Desert areas have been reducing in the last 20 years.
3. Butterfly population has been increasing/has becoming larger and larger in the last 20 years.
Work in pairs. Talk about how the environment where you live has changed. Use the present perfect continuous tense where appropriate.
Air pollution and water pollution have always been existing in our city. However, with the effort that we have been making to change the serious environment situation for recent 20 years. At the same time, people’s awareness of protecting environment has been improving. The environment of my city changed a lot.
Write a passage to introduce how the environment where you live has changed. Use the present perfect continuous tense in your passage.
Tourism and the environment
To get the main idea of the listening material
To persuade others using different strategies
To compromise when opposite opinions occur
To talk about how to balance environmental protection and economic development
Did You Know
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, Kenya and Nepal, ecotourism is an important part of the economy. Some ecotourism holidays involve voluntary work, such as planting trees or counting endangered animals.
Listen to the conversation and choose the places mentioned.
Listen again and complete the notes.
The first option
Rachel wants to
1 ____________________and plant trees.
also 2 _________rhinos, which will help protect them.
eat local food
Rachel’s dad thinks
he can eat that kind of food at home.
the activities sound like 3 ___________.
hike in the mountains
count
hard work
The second option
Rachel wants to
look after 4 ___________.
sleep in a treehouse.
Rachel’s dad wants to
5 _______________ and read a book.
Compromise
They will stay in 6 ______________.
Rachel can do ecotourism activities while her dad does what he likes.
They will go on 7___________________of the jungle.
elephants
lie on the beach
a nice hotel
a one-day bike tour
Now work in pairs. Discuss what type of travel you prefer.
Complete the boxes with the expressions from the conversation
Persuading others Compromising
The fact is that…
Wouldn’t you agree that …
Let’ find a compromise.
Let’s meet in the middle.
As a compromise, …
I agree, but …
The fact is that …
Wouldn’t you agree that…
I agree, but ...
Let’s find a compromise.
Let’s meet in the middle.
As a compromise, ...
Complete the passage with the expressions in the box.
not eco-friendly create opportunities for new businesses disturb the wildlife help the local economy
higher carbon emissions 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 1.________________________
______________ and 2._______________________. However, the local people worry that building the hotel is 3._________________and will 4.__________________, in particular the turtles which lay their eggs on White Beach. But they also admit that building the hotel will
help the local economy
create opportunities for
not eco-friendly create opportunities for new businesses
disturb the wildlife help the local economy
higher carbon emissions provide more jobs
use up natural resources
not eco-friendly
disturb the wildlife
new businesses
5. __________________ for people living in the area. Even though the owner of the company guarantees that the design will be in harmony with its beautiful surroundings, the local people are still concerned that the hotel may 6._______________________. Increased tourist numbers will also mean more cars and aeroplanes, which in turn means 7._______________________.
provide more jobs
not eco-friendly create opportunities for new businesses
disturb the wildlife help the local economy
higher carbon emissions provide more jobs
use up natural resources
use up natural resources
higher carbon emissions
Complete the boxes with the expressions in Activity 8.
Advantages
1. attract more tourists
2. create opportunities for new businesses
3. help the local economy
4. provide more jobs for people living in the area
5. raise awareness of protecting local wildlife
6. provide locals with a chance to experience other
cultures
…
Disadvantages
1. not eco-friendly
2. disturb the wildlife
3. use up natural resources
4. higher carbon emissions
5. pollute inshore seawater
6. destroy local ecological environment
…
Student A: You are a hotel operator who wants to build a hotel on some forested land.
Student B: You are a conservationist who wants to protect the wildlife there.
Role-play a discussion to reach an agreement that is satisfactory for everyone. Use the expressions in this section.
Now think about how well you approached the problem from different perspectives and reached an agreement.
Finish your conversation.
Thank you
Unit 6 Nurturing nature
Present perfect continuous
To learn the use of present perfect continuous tense
To use the present perfect continuous tense to talk about how the environment where you live has changed
Look at the sentences from the reading passage and answer the questions.
a Wild animals such as these Tibetan antelopes have now been using these passages tor years.
b …before I know it, we have reached Tanggula
Station.
观察归纳
1 Which of these statements is true about sentence(a)
(1) Wild animals started using these passages in the past.
(2) Wild animals used these passages only once.
(3) Wild animals still use these passages now.
a Wild animals such as these Tibetan antelopes have now been using these passages tor years.
2 What is the difference between the expressions in red in sentences (a) and (b)
a Wild animals such as these Tibetan antelopes have now been using these passages tor years.
b …before I know it, we have reached Tanggula
Station.
a: have been using
b: have reached
a: have been doing – present
perfect continuous
b: have done – present perfect
Now look for more sentences with the present perfect continuous tense in the reading passage, and summarise its use in your own words.
1 The train has been racing along steadily since it left Xining.
2 All this time the song “Sky Railway” has been playing inside my head.
3 Wild animals such as these Tibetan antelopes have now been using these passages for years.
4 The Qinghai-Tibet Plateau has been attracting people’s admiration for centuries.
5 Now, thanks to our efforts, passengers from all over the country have been enjoying these magical landscapes.
Pay attention to the expression in red and underlined.
1 The train has been racing along steadily since it left Xining.
2 All this time the song “Sky Railway” has been playing inside my head.
3 Wild animals such as these Tibetan antelopes have now been using these passages for years.
观察归纳
4 The Qinghai-Tibet Plateau has been attracting people’s admiration for centuries.
5 Now, thanks to our efforts, passengers from all over the country have been enjoying these magical landscapes.
现在完成时常与all this time, now等时间状语以及由since或for引导的时间状语连用。
现在完成进行时
总结 例句
构成 have / has + been + 动词-ing形式 Tom has been watching TV programmes since seven o'clock this evening.
I have been working here for five years.
总结 例句
用法 表示一个由过去某一时间开始一直持续到现在的动作(可能刚结束，也可能还要进行下去)。 I've been doing my
housework all morning and I've just finished it.
How long have you been
wearing glasses
有时表示动作的重复。 David has been coughing a lot lately. He ought to give up smoking.
有时带有感彩。 Too much has been happening today!
总结 例句
常搭配的时间状语 all this time, this week, this month, all night, all the morning, recently等状语以及由since和for引导的短语或从句 My sister’s been writing letters all night.
He is ill. He’s been lying in bed for three weeks.
We’ve been living in this city since we got married.
1. 未完结性。现在完成时表示动作已完成, 而现在完成进行时则常常具有未完成含义。
2. 短暂性。现在完成时与现在完成进行时都可表示延续至今的状态, 但是现在完成进行时常常表示短暂性。如：
They have lived in New York. （长期性）
They have been living in New York.（短暂性）
现在完成进行时与现在完成时的区别
3. 连续性或重复性。现在完成进行时常常用于表示延续至今的连续性或重复性动作。如：
I’ve been knocking. I don’t think anybody’s in.
【语境应用】选用括号内合适的内容完成下面对话。
Molly: Mum, you look really tired. What 1. _____________________ (are you doing, have you been doing) all day
Mum: I 2. _____________________ (am cleaning, have been cleaning) the house.
Molly: 3. ___________________ (Have you seen, Have you been seeing) a gold necklace
have you been doing
have been cleaning
Have you seen
Mum: No, I have cleaned all the rooms but haven't seen it. How long 4. _______________________ (were you looking for, have you been looking for) it
Molly: Well, I 5. _____________________ (didn't see, haven't seen) it since last week.
Mum: Amanda has tidied up a lot today. 6. ________________ (Have you asked, Have you been asking) her yet
Molly: No, I'll ask her now. Thanks, Mum.
have you been looking for
haven't seen
Have you asked
Complete the passage with the correct form of the verbs in brackets.
I 1________________ (hear) a strange sound for a while. It’s a deep, loud roar, like a lion’s. But there aren’t any lions here... Or are there Soon I see what 2_________________ (make) the noise: a howler monkey. Now I feel less worried. Realising that something 3_______________ (move) on my shoulder, I turn my head to look at it. Oh no! It's a giant spider! I brush it off and it runs under some leaves. I try to bat away the huge insects, which 4_______________ (fly) around my head in a black cloud for quite a while.
have been hearing
has been making
is moving
have been flying
I pull off the headset and I’m back in my living room. Thank goodness! I 5_______________ (give) the latest virtual reality headset and, for the last twenty minutes, I 6________________ (use) it to explore the Amazon. This is an amazing experience and a reminder of how many species there are in the rain forest. We must do all we can to protect it.
have been given
have been using
Look at the charts and make sentences using the present perfect continuous tense.
1. The number of trees has been increasing in the last 20 years.
2. Desert areas have been reducing in the last 20 years.
3. Butterfly population has been increasing/has becoming larger and larger in the last 20 years.
Work in pairs. Talk about how the environment where you live has changed. Use the present perfect continuous tense where appropriate.
Air pollution and water pollution have always been existing in our city. However, with the effort that we have been making to change the serious environment situation for recent 20 years. At the same time, people’s awareness of protecting environment has been improving. The environment of my city changed a lot.
Write a passage to introduce how the environment where you live has changed. Use the present perfect continuous tense in your passage.
Tourism and the environment
To get the main idea of the listening material
To persuade others using different strategies
To compromise when opposite opinions occur
To talk about how to balance environmental protection and economic development
Did You Know
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, Kenya and Nepal, ecotourism is an important part of the economy. Some ecotourism holidays involve voluntary work, such as planting trees or counting endangered animals.
Listen to the conversation and choose the places mentioned.
Listen again and complete the notes.
The first option
Rachel wants to
1 ____________________and plant trees.
also 2 _________rhinos, which will help protect them.
eat local food
Rachel’s dad thinks
he can eat that kind of food at home.
the activities sound like 3 ___________.
hike in the mountains
count
hard work
The second option
Rachel wants to
look after 4 ___________.
sleep in a treehouse.
Rachel’s dad wants to
5 _______________ and read a book.
Compromise
They will stay in 6 ______________.
Rachel can do ecotourism activities while her dad does what he likes.
They will go on 7___________________of the jungle.
elephants
lie on the beach
a nice hotel
a one-day bike tour
Now work in pairs. Discuss what type of travel you prefer.
Complete the boxes with the expressions from the conversation
Persuading others Compromising
The fact is that…
Wouldn’t you agree that …
Let’ find a compromise.
Let’s meet in the middle.
As a compromise, …
I agree, but …
The fact is that …
Wouldn’t you agree that…
I agree, but ...
Let’s find a compromise.
Let’s meet in the middle.
As a compromise, ...
Complete the passage with the expressions in the box.
not eco-friendly create opportunities for new businesses disturb the wildlife help the local economy
higher carbon emissions 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 1.________________________
______________ and 2._______________________. However, the local people worry that building the hotel is 3._________________and will 4.__________________, in particular the turtles which lay their eggs on White Beach. But they also admit that building the hotel will
help the local economy
create opportunities for
not eco-friendly create opportunities for new businesses
disturb the wildlife help the local economy
higher carbon emissions provide more jobs
use up natural resources
not eco-friendly
disturb the wildlife
new businesses
5. __________________ for people living in the area. Even though the owner of the company guarantees that the design will be in harmony with its beautiful surroundings, the local people are still concerned that the hotel may 6._______________________. Increased tourist numbers will also mean more cars and aeroplanes, which in turn means 7._______________________.
provide more jobs
not eco-friendly create opportunities for new businesses
disturb the wildlife help the local economy
higher carbon emissions provide more jobs
use up natural resources
use up natural resources
higher carbon emissions
Complete the boxes with the expressions in Activity 8.
Advantages
1. attract more tourists
2. create opportunities for new businesses
3. help the local economy
4. provide more jobs for people living in the area
5. raise awareness of protecting local wildlife
6. provide locals with a chance to experience other
cultures
…
Disadvantages
1. not eco-friendly
2. disturb the wildlife
3. use up natural resources
4. higher carbon emissions
5. pollute inshore seawater
6. destroy local ecological environment
…
Student A: You are a hotel operator who wants to build a hotel on some forested land.
Student B: You are a conservationist who wants to protect the wildlife there.
Role-play a discussion to reach an agreement that is satisfactory for everyone. Use the expressions in this section.
Now think about how well you approached the problem from different perspectives and reached an agreement.
Finish your conversation.
Thank you