外研版（2019）必修第三册Unit3 The world of science-Grammar课件18张PPT
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| 名称 | 外研版（2019）必修第三册Unit3 The world of science-Grammar课件18张PPT |  | |
| 格式 | zip | ||
| 文件大小 | 2.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-05-16 08:40:42 | ||
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(共18张PPT)
Unit 3 The world of science
Period 4 Grammar
She has finished her homework.
Someone has broken the window.
Activity 1 Describe the pictures with Present perfect tense.
表示说话时已经完成的动作，而且这个动作的结果对现在仍有影响
He has taught in our school for 30 years.
表示动作发生在过去，但一直持续到现在，并且有可能继续持续下去
The enemy has killed you.
You have been killed by the enemy.
Activity 2 Compare the sentences and find out the difference
被动
1.I guess you have been asked about the title of your book before.
2. I guess someone has asked you about the title of your book before.
3.New inventions like 3D printers have been used to make replacement hearts and bone parts.
4. People have used new inventions like 3D printers to make replacement hearts and bone parts.
找出下面句子的谓语结构，哪些是主动？哪些是被动？
被动
主动
主动
The New Age of Invention has just been published.
2. In addition, important advances have been made in medicine and environmental science thanks to increasing computer power.
3. I’ve also been told that you’re an inventor yourself.
4. Nothing like this has been invented yet and I’d say……
Look for more sentences with the present perfect passive.
现在完成时
1.现在完成时
谓语结构
主动
被动
have/has done
have/has been done
2.常连用的时间状语有： recently , for+段时间，since +时间状语(从句)，these days, so far, up to now, in/ during/ over the last/ past few years/months/ weeks/hours
1.表过去开始的被动动作一直持续到现在.
Activity 3 Explanation:现在完成时的被动语态
His Chinese has been improved a lot since he came to China.
1.表过去开始的被动动作一直持续到现在.
Activity 3 Explanation:现在完成时的被动语态
Rowling’s novels have been translated into many foreign languages so far.
2) 表某被动动作对现在造成的影响或结果
The road has already been built for more than one year.
happen, take place,
break out, belong to, cost,
last等不及物动词或词
无被动语态。
e.g.
Great changes have
taken place in China since
1978.
1.Rewrite the underlined parts using the present perfect passive.
Within the next 80 years, our lives may be changed beyond recognition by 3D printing. It has already affected many things in our lives, right down to the food we eat. For instance, some restaurants in London have served 3D-printed hamburgers to customers.
Many things in our lives have
3D-printed hamburgers have been served to customers in some restaurants in London.
already been affected
Activity 4 Consolidation
But perhaps the most significant success that people have achieved to date is in medicine. They have made human body parts, including a beating heart, with 3D printing technology. And it is not just humans who are benefiting- in Brazil, people have given a new 3D-printed shell to a turtle injured in a forest fire!
But perhaps the most significant success that has been achieved to date is in medicine.
Human body parts, including a beating heart, have been made with 3D printing technology.
A new 3D-printed shell has been given to a turtle injured in a forest fire!
2. Imagine you are Dr Moore. Look at the pictures and tell the police about the damage and loss to your lab. Use the present perfect passive where appropriate.
The window has been broken.
The lock on the door has been broken.
My two laptops have been stolen.
Beakers and test tubes have been destroyed.
The book case has been opened, and some files have been taken away while others have been thrown everywhere.
The robot has been damaged.
3.用括号内动词的正确形式填空。
1. The same mistake _______________ (make) many times.
2. More than 100 famous films ________________ (show) in the city since July.
3. For his tenth birthday, Carl wanted a bicycle but ________ (give) a guitar by his parents.
4. Although it _______________ (play) many times, he still loves it.
5. Three new schools _______________ (open) in our city in the past 5 years.
has been made
have been shown
was given
has been played
have been opened
Review grammar.
Read the text on Page 26-27 again and underline all the sentences of the present perfect and present perfect passive voice.
Unit 3 The world of science
Period 4 Grammar
She has finished her homework.
Someone has broken the window.
Activity 1 Describe the pictures with Present perfect tense.
表示说话时已经完成的动作，而且这个动作的结果对现在仍有影响
He has taught in our school for 30 years.
表示动作发生在过去，但一直持续到现在，并且有可能继续持续下去
The enemy has killed you.
You have been killed by the enemy.
Activity 2 Compare the sentences and find out the difference
被动
1.I guess you have been asked about the title of your book before.
2. I guess someone has asked you about the title of your book before.
3.New inventions like 3D printers have been used to make replacement hearts and bone parts.
4. People have used new inventions like 3D printers to make replacement hearts and bone parts.
找出下面句子的谓语结构，哪些是主动？哪些是被动？
被动
主动
主动
The New Age of Invention has just been published.
2. In addition, important advances have been made in medicine and environmental science thanks to increasing computer power.
3. I’ve also been told that you’re an inventor yourself.
4. Nothing like this has been invented yet and I’d say……
Look for more sentences with the present perfect passive.
现在完成时
1.现在完成时
谓语结构
主动
被动
have/has done
have/has been done
2.常连用的时间状语有： recently , for+段时间，since +时间状语(从句)，these days, so far, up to now, in/ during/ over the last/ past few years/months/ weeks/hours
1.表过去开始的被动动作一直持续到现在.
Activity 3 Explanation:现在完成时的被动语态
His Chinese has been improved a lot since he came to China.
1.表过去开始的被动动作一直持续到现在.
Activity 3 Explanation:现在完成时的被动语态
Rowling’s novels have been translated into many foreign languages so far.
2) 表某被动动作对现在造成的影响或结果
The road has already been built for more than one year.
happen, take place,
break out, belong to, cost,
last等不及物动词或词
无被动语态。
e.g.
Great changes have
taken place in China since
1978.
1.Rewrite the underlined parts using the present perfect passive.
Within the next 80 years, our lives may be changed beyond recognition by 3D printing. It has already affected many things in our lives, right down to the food we eat. For instance, some restaurants in London have served 3D-printed hamburgers to customers.
Many things in our lives have
3D-printed hamburgers have been served to customers in some restaurants in London.
already been affected
Activity 4 Consolidation
But perhaps the most significant success that people have achieved to date is in medicine. They have made human body parts, including a beating heart, with 3D printing technology. And it is not just humans who are benefiting- in Brazil, people have given a new 3D-printed shell to a turtle injured in a forest fire!
But perhaps the most significant success that has been achieved to date is in medicine.
Human body parts, including a beating heart, have been made with 3D printing technology.
A new 3D-printed shell has been given to a turtle injured in a forest fire!
2. Imagine you are Dr Moore. Look at the pictures and tell the police about the damage and loss to your lab. Use the present perfect passive where appropriate.
The window has been broken.
The lock on the door has been broken.
My two laptops have been stolen.
Beakers and test tubes have been destroyed.
The book case has been opened, and some files have been taken away while others have been thrown everywhere.
The robot has been damaged.
3.用括号内动词的正确形式填空。
1. The same mistake _______________ (make) many times.
2. More than 100 famous films ________________ (show) in the city since July.
3. For his tenth birthday, Carl wanted a bicycle but ________ (give) a guitar by his parents.
4. Although it _______________ (play) many times, he still loves it.
5. Three new schools _______________ (open) in our city in the past 5 years.
has been made
have been shown
was given
has been played
have been opened
Review grammar.
Read the text on Page 26-27 again and underline all the sentences of the present perfect and present perfect passive voice.