外研版（2019）必修第三册Unit 3 The world of science Using language课件-(共14张PPT)
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| 名称 | 外研版（2019）必修第三册Unit 3 The world of science Using language课件-(共14张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 3.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-03-09 17:41:58 | ||
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(共14张PPT)
B3U3 The world of science
Period 3 Using language
——Present perfect passive
Look at the sentences from the reading passage and answer the questions. (P38-1)
Activity 1: Look and answer
0,000 people reading my blog! b I love to photograph the rising sun, …
a. I guess you have been asked about the title of your book before.
b. New inventions like 3D printers have been used to make replacement
hearts and bone parts.
Q1. What has happened to “you” in sentence (a)
Someone has asked “you” about the title of your book before.
Q2. Who has used new inventions to make replacement hearts and
bone parts in sentence (b)
People have used 3D printers to make replacement hearts and
bone parts.
Look at the sentences from the reading passage and answer the questions.
Activity 1: Look and answer
0,000 people reading my blog! b I love to photograph the rising sun, …
a. I guess you have been asked about the title of your book before.
b. New inventions like 3D printers have been used to make
replacement hearts and bone parts.
Q3. What is the difference between the two groups of sentences
c. I guess someone has asked you about the title of your book before.
d. People have used new inventions like 3D printers to make
replacement hearts and bone parts.
Group 1
passive form with the subjects
Group 2
active form with the subjects
Q4. Why does the author choose to use the passive form instead of the active form in the reading passage
The author chooses to use the passive form instead of the active form to emphasise what has been done, rather than who or what does the action.
以下情况一般使用被动语态
Present perfect passive
1. 不知道或者没有必要说明动作的执行者是谁。
Such books have been written for children.
（已经为儿童编写这类图书了。）
2. 强调动作的承受者，而不强调动作的执行者。
All these products have been tested.
（这些产品都经过测试了。）
3. 动作的执行者很模糊。
The letter has been opened.
（这封信被人拆开了。）
4. 有时为了礼貌的需要，避免说出动作的执行者。
They have been told many times not to make noises.
（已经有人多次跟他们说别那么大声了。）
Present perfect passive
Activity 2: Read and Rewrite
Rewrite the underlined parts using the present perfect passive.(P38-2)
Many things in our lives have already been affected,
3D-printed hamburgers have been served to customers in some restaurants in London. 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!
Activity 3:
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. (P39-3)
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. (P29)
1. The lock on the door has been broken.
2. The window has been broken.
3. My two laptops have been stolen.
4. Beakers and test tubes have been destroyed.
5. The book case has been opened, and some
files have been taken away while others
have been thrown everywhere.
6. The robot has been damaged.
1. Summarize the usage of -ed as attributive;
2. Finish the relevant exercises in the handout.
Homework
B3U3 The world of science
Period 3 Using language
——Present perfect passive
Look at the sentences from the reading passage and answer the questions. (P38-1)
Activity 1: Look and answer
0,000 people reading my blog! b I love to photograph the rising sun, …
a. I guess you have been asked about the title of your book before.
b. New inventions like 3D printers have been used to make replacement
hearts and bone parts.
Q1. What has happened to “you” in sentence (a)
Someone has asked “you” about the title of your book before.
Q2. Who has used new inventions to make replacement hearts and
bone parts in sentence (b)
People have used 3D printers to make replacement hearts and
bone parts.
Look at the sentences from the reading passage and answer the questions.
Activity 1: Look and answer
0,000 people reading my blog! b I love to photograph the rising sun, …
a. I guess you have been asked about the title of your book before.
b. New inventions like 3D printers have been used to make
replacement hearts and bone parts.
Q3. What is the difference between the two groups of sentences
c. I guess someone has asked you about the title of your book before.
d. People have used new inventions like 3D printers to make
replacement hearts and bone parts.
Group 1
passive form with the subjects
Group 2
active form with the subjects
Q4. Why does the author choose to use the passive form instead of the active form in the reading passage
The author chooses to use the passive form instead of the active form to emphasise what has been done, rather than who or what does the action.
以下情况一般使用被动语态
Present perfect passive
1. 不知道或者没有必要说明动作的执行者是谁。
Such books have been written for children.
（已经为儿童编写这类图书了。）
2. 强调动作的承受者，而不强调动作的执行者。
All these products have been tested.
（这些产品都经过测试了。）
3. 动作的执行者很模糊。
The letter has been opened.
（这封信被人拆开了。）
4. 有时为了礼貌的需要，避免说出动作的执行者。
They have been told many times not to make noises.
（已经有人多次跟他们说别那么大声了。）
Present perfect passive
Activity 2: Read and Rewrite
Rewrite the underlined parts using the present perfect passive.(P38-2)
Many things in our lives have already been affected,
3D-printed hamburgers have been served to customers in some restaurants in London. 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!
Activity 3:
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. (P39-3)
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. (P29)
1. The lock on the door has been broken.
2. The window has been broken.
3. My two laptops have been stolen.
4. Beakers and test tubes have been destroyed.
5. The book case has been opened, and some
files have been taken away while others
have been thrown everywhere.
6. The robot has been damaged.
1. Summarize the usage of -ed as attributive;
2. Finish the relevant exercises in the handout.
Homework