人教版（2019）必修第二册Unit 3 The internet Discovering Useful Structures课件(共20张PPT)
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| 名称 | 人教版（2019）必修第二册Unit 3 The internet Discovering Useful Structures课件(共20张PPT) |  | |
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| 文件大小 | 780.0KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-03-13 15:33:24 | ||
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(共20张PPT)
Unit 3
The Internet
Discovering Useful Structures
The present perfect passive voice
肯定式 主语＋have/has been done ...
否定式 主语＋have/has not been done ...
一般疑问式 Have/Has＋主语＋been done ...
特殊疑问式 特殊疑问词＋have/has＋主语＋been done ...
1. 短语动词的被动语态
“及物动词+副词”“及物动词+介词”以及“及物动词+副词+介词”构成的短语动词可用于被动结构。
At last they put out the fire. → At last the fire was put out.
Have you sent for a doctor → Has the doctor been sent for
My classmates caught up with me in this exam. → I was caught up with by my classmates in this exam.
许多“不及物动词+介词”以及“不及物动词+副词+介词”构成的短语动词相当于及物动词，也可以有宾语，也可用于被动结构。
The boys laughed at him for the foolish mistake.
→ He was laughed at for the foolish mistake.
They looked down on peasants in the old days.
→ Peasants were looked down on in the old days.
2. 带有双宾语的句子在变为被动结构时，这两个宾语的任何一个都可作被动句的主语。
The teacher gave the student a new book.
The student was given a new book (by the teacher).
A new book was given to the student (by the teacher)
↓
带有双宾语的动词，如give, send, bring, take, teach, show, tell, make, sing, write, read, sell, buy, pay, lend, pass, promise等，变为被动语态时，一般将间接宾语变为被动语态的主语。若将直接宾语变为被动语态的主语时，间接宾语前面要用相应的介词。
3. 带有复合宾语的句子变为被动结构时，宾语补足语要相应变为主语补足语。
Everybody called her Big Sister. → She was called Big Sister (by everybody).
People last saw the lost girl playing near the river. → The lost girl was last seen playing near the river.
I have observed her enter the office.
带有复合宾语的动词变为被动语态时，若宾语补足语为省略to的不定式充当时，在被动语态中需将省掉的to加上。
She has been observed to enter the office.
4. 有短语动词的句子变为被动语态时，要注意保持短语动词的完整性，不能遗漏短语动词的介词或副词。如: refer to, look into, listen to, laugh at, deal with, turn to, carry out, set up, think over等。
It’s said that the problem has been looked into.
The injured bird has been looked after since it was saved.
5. 并不是所有的动词都有被动语态。如happen, occur, take place, break out, belong to, cost, last等不及物动词或词组，没有被动语态。
Some of the best conversations have ever happened around the dinner table.
How much money has spent on the earthquake recovery
The girl is really upset because her new bicycle has stolen.
These old houses have been built in the 18th century.
been
been
were
Find and correct the mistake in each sentence.
4. It’s a pity that the letter has never sent to his father.
5. Little had been seen of them since they moved into the house down the street.
been
has
单句语法填空
1. They ___________ (sell) ten apartments in the past one hour.
2. He ______________ (buy) a present when she visited Xinjiang.
3. He ______ already ____________ (ask) to help you.
4. The company ______________ (make) its workers work hard recently.
5.A notice _____ already ____________ (put up) on the wall.
6. Since we realized that we should study hard, our time _______________ (make) full use of.
7. These streets __________________ (not sweep) for two days.
8. How long _______ the book ___________ (keep)
9. How long ago ______ the picture _________ (take)
10. These goods __________________ (not ship) abroad yet.
have sold
was bought
been asked
has
has made
has
been put up
has been made
hasn’t been swept
has
been kept
was
taken
hasn’t been shipped
1. From what ___________________(已被讨论过的) above, we can draw the conclusion that parents are our best teachers.
2. Fortunately, a lot of measures __________________ (已被采取了) to deal with the problem.
3. Two suggestions ___________________ (已被提供) by our classmates.
4. People’s health ______________________ (受到了很大的影响) by air, noise and water.
5. In spite of these changes, the liberation of women __________________ ____________________ (没有被完全认识到)．
has been discussed
have been taken
have been provided
has been greatly affected
has not been
completely realized
1. function n. 功能；作用；机能
vi. 起作用；正常工作；运转
function as 起……作用；具有……功能
function well/normally 运转良好/ 正常
perform/fulfill a...function 履行……职责， 发挥……作用
perform a variety of functions 履行多种职责
The chair can also function as a bed.
In your new job, you will perform a variety of functions
单句语法填空
(1)So far, six people ________________ (confirm) that they will attend the meeting．
完成句子
(2)_____________________________ (已被证实) the meeting will take place next week．
have confirmed
It has been confirmed
2. confirm vt. 确认；使确信
confirmation n. 确认，确定
confirm sb. in sth. 使某人确信某事
confirm that... 证实……
It has been confirmed that... 已确定……
To our satisfaction, our underwater explorations confirm that the theory turns out to be correct.
His facial expression confirmed me in my doubt.
He has ____________ himself to be innocent (无罪的).
A．checked B．realized
C．confirmed D．showed
C
Unit 3
The Internet
Discovering Useful Structures
The present perfect passive voice
肯定式 主语＋have/has been done ...
否定式 主语＋have/has not been done ...
一般疑问式 Have/Has＋主语＋been done ...
特殊疑问式 特殊疑问词＋have/has＋主语＋been done ...
1. 短语动词的被动语态
“及物动词+副词”“及物动词+介词”以及“及物动词+副词+介词”构成的短语动词可用于被动结构。
At last they put out the fire. → At last the fire was put out.
Have you sent for a doctor → Has the doctor been sent for
My classmates caught up with me in this exam. → I was caught up with by my classmates in this exam.
许多“不及物动词+介词”以及“不及物动词+副词+介词”构成的短语动词相当于及物动词，也可以有宾语，也可用于被动结构。
The boys laughed at him for the foolish mistake.
→ He was laughed at for the foolish mistake.
They looked down on peasants in the old days.
→ Peasants were looked down on in the old days.
2. 带有双宾语的句子在变为被动结构时，这两个宾语的任何一个都可作被动句的主语。
The teacher gave the student a new book.
The student was given a new book (by the teacher).
A new book was given to the student (by the teacher)
↓
带有双宾语的动词，如give, send, bring, take, teach, show, tell, make, sing, write, read, sell, buy, pay, lend, pass, promise等，变为被动语态时，一般将间接宾语变为被动语态的主语。若将直接宾语变为被动语态的主语时，间接宾语前面要用相应的介词。
3. 带有复合宾语的句子变为被动结构时，宾语补足语要相应变为主语补足语。
Everybody called her Big Sister. → She was called Big Sister (by everybody).
People last saw the lost girl playing near the river. → The lost girl was last seen playing near the river.
I have observed her enter the office.
带有复合宾语的动词变为被动语态时，若宾语补足语为省略to的不定式充当时，在被动语态中需将省掉的to加上。
She has been observed to enter the office.
4. 有短语动词的句子变为被动语态时，要注意保持短语动词的完整性，不能遗漏短语动词的介词或副词。如: refer to, look into, listen to, laugh at, deal with, turn to, carry out, set up, think over等。
It’s said that the problem has been looked into.
The injured bird has been looked after since it was saved.
5. 并不是所有的动词都有被动语态。如happen, occur, take place, break out, belong to, cost, last等不及物动词或词组，没有被动语态。
Some of the best conversations have ever happened around the dinner table.
How much money has spent on the earthquake recovery
The girl is really upset because her new bicycle has stolen.
These old houses have been built in the 18th century.
been
been
were
Find and correct the mistake in each sentence.
4. It’s a pity that the letter has never sent to his father.
5. Little had been seen of them since they moved into the house down the street.
been
has
单句语法填空
1. They ___________ (sell) ten apartments in the past one hour.
2. He ______________ (buy) a present when she visited Xinjiang.
3. He ______ already ____________ (ask) to help you.
4. The company ______________ (make) its workers work hard recently.
5.A notice _____ already ____________ (put up) on the wall.
6. Since we realized that we should study hard, our time _______________ (make) full use of.
7. These streets __________________ (not sweep) for two days.
8. How long _______ the book ___________ (keep)
9. How long ago ______ the picture _________ (take)
10. These goods __________________ (not ship) abroad yet.
have sold
was bought
been asked
has
has made
has
been put up
has been made
hasn’t been swept
has
been kept
was
taken
hasn’t been shipped
1. From what ___________________(已被讨论过的) above, we can draw the conclusion that parents are our best teachers.
2. Fortunately, a lot of measures __________________ (已被采取了) to deal with the problem.
3. Two suggestions ___________________ (已被提供) by our classmates.
4. People’s health ______________________ (受到了很大的影响) by air, noise and water.
5. In spite of these changes, the liberation of women __________________ ____________________ (没有被完全认识到)．
has been discussed
have been taken
have been provided
has been greatly affected
has not been
completely realized
1. function n. 功能；作用；机能
vi. 起作用；正常工作；运转
function as 起……作用；具有……功能
function well/normally 运转良好/ 正常
perform/fulfill a...function 履行……职责， 发挥……作用
perform a variety of functions 履行多种职责
The chair can also function as a bed.
In your new job, you will perform a variety of functions
单句语法填空
(1)So far, six people ________________ (confirm) that they will attend the meeting．
完成句子
(2)_____________________________ (已被证实) the meeting will take place next week．
have confirmed
It has been confirmed
2. confirm vt. 确认；使确信
confirmation n. 确认，确定
confirm sb. in sth. 使某人确信某事
confirm that... 证实……
It has been confirmed that... 已确定……
To our satisfaction, our underwater explorations confirm that the theory turns out to be correct.
His facial expression confirmed me in my doubt.
He has ____________ himself to be innocent (无罪的).
A．checked B．realized
C．confirmed D．showed
C