Unit 3 Computers语法复习——现在完成时的被动语态 课件（30张）
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| 名称 | Unit 3 Computers语法复习——现在完成时的被动语态 课件（30张） |  | |
| 格式 | zip | ||
| 文件大小 | 915.3KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2018-07-16 21:52:22 | ||
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课件30张PPT。Unit 3 ComputersPeriod 4 语法专题课 Lead-inAre you familiar with these computers? Can you call them?
palmtoplaptop/ notebookdesktop PC WW PC
wrist-worn/wearable PCA wrist-worn PC has been invented recently.A pen-like computer has already been developed.The houses have been destroyed by the storm.I. Read the sentences from the text, paying attention to the underlined parts.Over time I have been changed quite a lot.
2. …, I have been used in offices and homes since the 1970s.
3. … I never forget anything I have been told!
4. Since the 1970s, many new applications have been found for me.
5. I have also been put into robots and used to make mobile phones as … Task1. Reviewing II. Translation 1. Two windows have been broken．
2. The car has not been repaired．
两个窗户被打破了。
这辆汽车还没有修好。
3． ─Have the cars been repaired？
─No，they haven’t．
4． How long has her library been built？
这些汽车修好了吗？ 不，还没有。
她的图书馆建成多久了？
讲解归纳
1. 构成：
主动语态 被动语态
现在完成时 have/has done
The Present Perfect Passive Voice
（现在完成时的被动语态）
have/has been done2. 现在完成时被动语态的各种句式：
[肯定式] have/has＋been＋done
Your computer has been repaired.
你的电脑已经修好了。
[否定式] have/has＋not＋been＋done
The desks have not been cleaned.
这些桌子还没有擦干净。[疑问式]Have/Has＋主语＋been＋done?
—Has the door been painted?
那扇门油漆好了吗？
—No，it hasn’t.还没有。
[特殊疑问式] 疑问词＋have／has＋主语＋been＋done
Where has the car been repaired?
汽车在哪里修好的？Ⅰ. 完成句子
1．由于大雪，高速公路已经被封闭。
The freeway ________because of the heavy snow.
Task 2 Test yourself!答案：has been closed
2．对不起，先生，这次展览的门票已经全部卖完了。
Sorry，sir，all the tickets for the exhibition _______.
答案：have been sold out3．为了多种一些谷物，很多树被砍掉了。
Large numbers of trees ______to grow more grain.4．我喜欢这部科幻电影，它已经在电视上播了三次了。
I like this science fiction film and it _______ three times on TV.答案：have been cut down答案：has been broadcastⅡ. 单项填空
1．His sister left home in 1998，and _______since.
A．had not been heard of
B．has not been heard of
C．had not heard of
D．has not heard of
答案：选B。2．The new dictionaries are very useful.They ________.
A.have been sold out
B.had sold out
C.sell out
D.have sold out
答案：选A。3．—Can we sit at the table near the window?
—I’m sorry，but it________.
A．was already taken
B．already took
C．has already taken
D．has already been taken
答案 选D。4. I want to buy this kind of cloth because I_______ the cloth was washes well.
A．have told
B．have been told
C．has been told
D．was told
答案：选B。Correct the following sentences.1. A personal computer has bought by us.
2. What has been happened to you? A personal computer has been bought by us.what has happened to you?
Task3 Extension3. Our computer just has been joined to the internet.
4. The child has been taken good care by Grandma Wang all these years.
Our computer has just been joined to
the internet.The child has been taken good care of by Grandma Wang all these years.
5. How long has the book been borrowed ? How long has the book been kept?1. 使用现在完成时的被动语态要注意以下几点:
1) 现在完成时的被动语态的两个助动词，即have/has和been，两者缺一不可。
2) 只有及物动词才有被动语态，不及物动词（词组）没有被动语态, 如:happen, take place, belong to, live, die, appear, disappear, fail, lie, sit , stand, break out, come true, 等．Conclusion:3) 副词的位置
often, usually, always, never, hardly, seldom等副词置于have/has和been中间。如:
[误] Such a man has been hardly
believed.
[正] Such a man has hardly been
believed.4) 非延续性动词，如 borrow，finish，begin，start，buy，marry，open，join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，则要改换动词或时态。Ⅰ. 用括号内动词或词组的适当形式填空
1．More than 5,000 used bikes________ (repaired) since the two brothers set up the organisation.Task4 Consolidation.答案：have been repaired
2．Since the cause of this disease_______ (discover)，now we need to develop the medicine to treat it.答案：has been discovered3．Over the past ten years，this town _______ (hit) twice by earthquakes.
答案：has been hit
4．—Will the lecture be held at 4 o’clock this afternoon?
—No. It_______(put off)till tomorrow afternoon.
答案：has been put off /will be put off5．Her novel is very popular among people of all ages；so far it_____(translate) into 25 languages.
答案：has been translatedII. Choose the best answers.
1. All the preparations for the task ____.
A. completed
B. complete
C. had been completed
D. have been completed2. ---- How long ____ at this job?
---- Since 1990.
A. were you employed
B. have you been employed
C. had you been employed
D. will you be employed3.?When and where to go for the on-salary holiday ____ yet.
A. are not decided
B. has not decided
C. was not decided
D. has not been decided
4. --Did you move into the new house?
-- No. The rooms ___ yet.
A. were painted
B. are painting
C. have not painted
D. have not been painted 1. Recite the sentences from the text.
2. Finish Ex 1&2 of P37of U3 Grammar(练习册) Homework
palmtoplaptop/ notebookdesktop PC WW PC
wrist-worn/wearable PCA wrist-worn PC has been invented recently.A pen-like computer has already been developed.The houses have been destroyed by the storm.I. Read the sentences from the text, paying attention to the underlined parts.Over time I have been changed quite a lot.
2. …, I have been used in offices and homes since the 1970s.
3. … I never forget anything I have been told!
4. Since the 1970s, many new applications have been found for me.
5. I have also been put into robots and used to make mobile phones as … Task1. Reviewing II. Translation 1. Two windows have been broken．
2. The car has not been repaired．
两个窗户被打破了。
这辆汽车还没有修好。
3． ─Have the cars been repaired？
─No，they haven’t．
4． How long has her library been built？
这些汽车修好了吗？ 不，还没有。
她的图书馆建成多久了？
讲解归纳
1. 构成：
主动语态 被动语态
现在完成时 have/has done
The Present Perfect Passive Voice
（现在完成时的被动语态）
have/has been done2. 现在完成时被动语态的各种句式：
[肯定式] have/has＋been＋done
Your computer has been repaired.
你的电脑已经修好了。
[否定式] have/has＋not＋been＋done
The desks have not been cleaned.
这些桌子还没有擦干净。[疑问式]Have/Has＋主语＋been＋done?
—Has the door been painted?
那扇门油漆好了吗？
—No，it hasn’t.还没有。
[特殊疑问式] 疑问词＋have／has＋主语＋been＋done
Where has the car been repaired?
汽车在哪里修好的？Ⅰ. 完成句子
1．由于大雪，高速公路已经被封闭。
The freeway ________because of the heavy snow.
Task 2 Test yourself!答案：has been closed
2．对不起，先生，这次展览的门票已经全部卖完了。
Sorry，sir，all the tickets for the exhibition _______.
答案：have been sold out3．为了多种一些谷物，很多树被砍掉了。
Large numbers of trees ______to grow more grain.4．我喜欢这部科幻电影，它已经在电视上播了三次了。
I like this science fiction film and it _______ three times on TV.答案：have been cut down答案：has been broadcastⅡ. 单项填空
1．His sister left home in 1998，and _______since.
A．had not been heard of
B．has not been heard of
C．had not heard of
D．has not heard of
答案：选B。2．The new dictionaries are very useful.They ________.
A.have been sold out
B.had sold out
C.sell out
D.have sold out
答案：选A。3．—Can we sit at the table near the window?
—I’m sorry，but it________.
A．was already taken
B．already took
C．has already taken
D．has already been taken
答案 选D。4. I want to buy this kind of cloth because I_______ the cloth was washes well.
A．have told
B．have been told
C．has been told
D．was told
答案：选B。Correct the following sentences.1. A personal computer has bought by us.
2. What has been happened to you? A personal computer has been bought by us.what has happened to you?
Task3 Extension3. Our computer just has been joined to the internet.
4. The child has been taken good care by Grandma Wang all these years.
Our computer has just been joined to
the internet.The child has been taken good care of by Grandma Wang all these years.
5. How long has the book been borrowed ? How long has the book been kept?1. 使用现在完成时的被动语态要注意以下几点:
1) 现在完成时的被动语态的两个助动词，即have/has和been，两者缺一不可。
2) 只有及物动词才有被动语态，不及物动词（词组）没有被动语态, 如:happen, take place, belong to, live, die, appear, disappear, fail, lie, sit , stand, break out, come true, 等．Conclusion:3) 副词的位置
often, usually, always, never, hardly, seldom等副词置于have/has和been中间。如:
[误] Such a man has been hardly
believed.
[正] Such a man has hardly been
believed.4) 非延续性动词，如 borrow，finish，begin，start，buy，marry，open，join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，则要改换动词或时态。Ⅰ. 用括号内动词或词组的适当形式填空
1．More than 5,000 used bikes________ (repaired) since the two brothers set up the organisation.Task4 Consolidation.答案：have been repaired
2．Since the cause of this disease_______ (discover)，now we need to develop the medicine to treat it.答案：has been discovered3．Over the past ten years，this town _______ (hit) twice by earthquakes.
答案：has been hit
4．—Will the lecture be held at 4 o’clock this afternoon?
—No. It_______(put off)till tomorrow afternoon.
答案：has been put off /will be put off5．Her novel is very popular among people of all ages；so far it_____(translate) into 25 languages.
答案：has been translatedII. Choose the best answers.
1. All the preparations for the task ____.
A. completed
B. complete
C. had been completed
D. have been completed2. ---- How long ____ at this job?
---- Since 1990.
A. were you employed
B. have you been employed
C. had you been employed
D. will you be employed3.?When and where to go for the on-salary holiday ____ yet.
A. are not decided
B. has not decided
C. was not decided
D. has not been decided
4. --Did you move into the new house?
-- No. The rooms ___ yet.
A. were painted
B. are painting
C. have not painted
D. have not been painted 1. Recite the sentences from the text.
2. Finish Ex 1&2 of P37of U3 Grammar(练习册) Homework