外研版（2019）选择性必修 第一册Unit5 Revealing nature Using language课件（共16张PPT）
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| 名称 | 外研版（2019）选择性必修 第一册Unit5 Revealing nature Using language课件（共16张PPT） |  | |
| 格式 | pptx | ||
| 文件大小 | 1.7MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-07-21 22:37:11 | ||
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(共16张PPT)
新外研版选择性必修Book 1
Using languageⅠP53
Unit 5 Revealing nature
To understand the use of the past perfect tense
To be able to use the past perfect tense in two activities
To use the past perfect tense to make a dialogue between the keeper of Lonesome George and a reporter
Learning objectives
Lead-in
Underline the sentences below in the reading passage.
It was a young man who had left medical school without completing his degree.
What’s more, he had recently received a letter from his father predicting that...
After Darwin had spent some time in South America, his room on the ship was crowed with samples of the plants and animals he had collected.
It was a young man who had left medical school without completing his degree.
At that time, people believed that all species had appeared on Earth at the same time, and had not changed since.
It seemed their beaks had evolved according to what food was available on that particular island.
Darwin suspected that the finches had evolved from a common ancestor, which had arrived on the islands a long time before.
Over time, it had slowly evolved into many new species.
Many people refused to believe that living things, including humans, had evolved from lower forms of life.
Presentation
Read and answer:
a Darwin suspected that the finches had evolved from a common
ancestor,...
b Many people refused to believe that living things, including humans,
had evolved from lower forms of life.
1 In sentence (a), which action happened first, “suspected” or
“evolved from a common ancestor”
“Evolved from a common ancestor.”
2. In sentence (b), which action happened first, “refused to believe”
or “evolved from lower forms of life”
“Evolved from lower forms of life.”
Presentation
Read and answer:
3. What does the structure had done indicate
It indicates the action happened before a certain past action.
a Darwin suspected that the finches had evolved from a common
ancestor,...
b Many people refused to believe that living things, including humans,
had evolved from lower forms of life.
Summary
Past Perfect
过去完成时
A. 基本结构：助动词 had + 过去分词
When I got to the station, the train had left.
助动词had
过去分词
B. 基本用法：
①表示在过去的某一时间或某一动作之前完成的动作
或存在的状态。即“过去的过去”。例：
在他们访问印度之前，他们已经录制了七张专辑。
Before they visited India, they had recorded seven albums.
表示从过去某一时间开始，一直延续到过去的另一个时间的动作，常用的时间状语有by then, by the end of, by the time。例：
到这个月末，我们已经学习了20首英文歌。
We had learnt 20 English songs by the end of last month.
B. 基本用法：
表示愿望、打算等动词，如hope, want, expect, think, mean, suppose, intend, plan等后接从句时，一般用过去完成时表示本打算实现而未实现的愿望和计划，例：
我原打算今年去度假，可是我走不开。
I had hoped to take a holiday this year but I was not able to get away.
B. 基本用法：
在句型hardly...when和no sooner...than中，主句用过去完成时，从句用一般过去时，表示“一……就……”。例：
他刚坐下，电话铃就响了。
No sooner had he sat down than the telephone rang.
我刚离开就开始下雨了。
Hardly had I left when it began to rain.
B. 基本用法：
Complete the paragraphs with the information from the given sentences.
Practice
1. began
2. had led to
3. developed
4. chose to
5. had made
Production
Complete the online encyclopaedia entry with the correct form of the words.
compete decline eat live introduce arrive
Lonesome George was the last Pinta Island tortoise. He died in
2012. After George’s death, the Pinta Island tortoise was declared
extinct.
The extinction of the Pinta Island tortoise is blamed on humans.
Before humans ___1____ on the island, the species ____2_____ in isolation and __3__ the plants that naturally grew there. George was discovered many years after their arrival, and by then humans _______4_______ new species that _____5______ for the food the tortoises ate. After goats in particular had been brought to the island, the Pinta Island tortoise population _____6_____. Eventually, only George remained.
arrived
had lived
eaten
had introduced
competed
declined
Act out a role-play about George using the information in Activity 3.
Use the past perfect tense where appropriate.
Work in pairs:
the keeper of Lonesome George
the reporter
随堂随练
He said that he ________ (see) you before.
By six o’clock they ___________ (work) for eight hours.
When I came to Guangzhou, he ________(be) there for a long time.
By the middle of last month we ________ (live) in Beijing for five years.
When she got home her children _______ (sleep).
Before they arrived here the film ____already ______(start).
had seen
had worked
had been
had slept
had lived
had
started
用所给词的适当形式填空。
Thank you!
新外研版选择性必修Book 1
Using languageⅠP53
Unit 5 Revealing nature
To understand the use of the past perfect tense
To be able to use the past perfect tense in two activities
To use the past perfect tense to make a dialogue between the keeper of Lonesome George and a reporter
Learning objectives
Lead-in
Underline the sentences below in the reading passage.
It was a young man who had left medical school without completing his degree.
What’s more, he had recently received a letter from his father predicting that...
After Darwin had spent some time in South America, his room on the ship was crowed with samples of the plants and animals he had collected.
It was a young man who had left medical school without completing his degree.
At that time, people believed that all species had appeared on Earth at the same time, and had not changed since.
It seemed their beaks had evolved according to what food was available on that particular island.
Darwin suspected that the finches had evolved from a common ancestor, which had arrived on the islands a long time before.
Over time, it had slowly evolved into many new species.
Many people refused to believe that living things, including humans, had evolved from lower forms of life.
Presentation
Read and answer:
a Darwin suspected that the finches had evolved from a common
ancestor,...
b Many people refused to believe that living things, including humans,
had evolved from lower forms of life.
1 In sentence (a), which action happened first, “suspected” or
“evolved from a common ancestor”
“Evolved from a common ancestor.”
2. In sentence (b), which action happened first, “refused to believe”
or “evolved from lower forms of life”
“Evolved from lower forms of life.”
Presentation
Read and answer:
3. What does the structure had done indicate
It indicates the action happened before a certain past action.
a Darwin suspected that the finches had evolved from a common
ancestor,...
b Many people refused to believe that living things, including humans,
had evolved from lower forms of life.
Summary
Past Perfect
过去完成时
A. 基本结构：助动词 had + 过去分词
When I got to the station, the train had left.
助动词had
过去分词
B. 基本用法：
①表示在过去的某一时间或某一动作之前完成的动作
或存在的状态。即“过去的过去”。例：
在他们访问印度之前，他们已经录制了七张专辑。
Before they visited India, they had recorded seven albums.
表示从过去某一时间开始，一直延续到过去的另一个时间的动作，常用的时间状语有by then, by the end of, by the time。例：
到这个月末，我们已经学习了20首英文歌。
We had learnt 20 English songs by the end of last month.
B. 基本用法：
表示愿望、打算等动词，如hope, want, expect, think, mean, suppose, intend, plan等后接从句时，一般用过去完成时表示本打算实现而未实现的愿望和计划，例：
我原打算今年去度假，可是我走不开。
I had hoped to take a holiday this year but I was not able to get away.
B. 基本用法：
在句型hardly...when和no sooner...than中，主句用过去完成时，从句用一般过去时，表示“一……就……”。例：
他刚坐下，电话铃就响了。
No sooner had he sat down than the telephone rang.
我刚离开就开始下雨了。
Hardly had I left when it began to rain.
B. 基本用法：
Complete the paragraphs with the information from the given sentences.
Practice
1. began
2. had led to
3. developed
4. chose to
5. had made
Production
Complete the online encyclopaedia entry with the correct form of the words.
compete decline eat live introduce arrive
Lonesome George was the last Pinta Island tortoise. He died in
2012. After George’s death, the Pinta Island tortoise was declared
extinct.
The extinction of the Pinta Island tortoise is blamed on humans.
Before humans ___1____ on the island, the species ____2_____ in isolation and __3__ the plants that naturally grew there. George was discovered many years after their arrival, and by then humans _______4_______ new species that _____5______ for the food the tortoises ate. After goats in particular had been brought to the island, the Pinta Island tortoise population _____6_____. Eventually, only George remained.
arrived
had lived
eaten
had introduced
competed
declined
Act out a role-play about George using the information in Activity 3.
Use the past perfect tense where appropriate.
Work in pairs:
the keeper of Lonesome George
the reporter
随堂随练
He said that he ________ (see) you before.
By six o’clock they ___________ (work) for eight hours.
When I came to Guangzhou, he ________(be) there for a long time.
By the middle of last month we ________ (live) in Beijing for five years.
When she got home her children _______ (sleep).
Before they arrived here the film ____already ______(start).
had seen
had worked
had been
had slept
had lived
had
started
用所给词的适当形式填空。
Thank you!