Learning about Language优秀教学设计

Unit 3

Computers

Period 4

语法专题课

学习目标

1.了解现在完成时的被动语态在具体语境中的运用。

2.掌握现在完成时被动语态的结构和主要用法。

3.使用现在完成时被动语态需要注意的问题。

Step 1

感受新知

Ⅰ.Find and read the following sentences in your text and pay attention to the underlined parts. 1.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 well as help with medical operations. Ⅱ.Translate the sentences into Chinese. 1.Two windows have been broken.

2.The car has not been repaired.

3.—Have the cars been repaired? —No,they haven’t.

4.How long has her work been finished?

Ⅲ.Conclusion of the rules: 1.现在完成时的被动语态的结构:

2.现在完成时被动语态各种句式: [肯定式]

[否定式]

[疑问式]

[特殊疑问式]

step 2

巩固运用

Ⅰ.Fill the blanks 1.由于大雪,高速公路已经被封闭。

The freeway

because of the heavy snow. 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

. 3.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. Ⅱ.Multiple choice 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 2.The new dictionaries are very useful.They

well and

already. A.sell;have been sold out B.sold;had sold out C.sell;sell out D.are sold;have been sold out 3.—Can we sit at the table near the window? —I’m sorry,but it

already. A.was taken

B.took C.has taken

D.has been taken 4.I want to buy this kind of cloth because I

the cloth

well. A.have told;washed B.have been told;washes C.have been told;washed D.was told;washed Step 3

拓展

Ⅰ.Correct the following sentences. 1.A personal computer has bought by us.

2.What has been happened to you?

3.Our computer just has been joined to the Internet.

4.The child has been taken good care by Grandma Wang all these years.

5.How long has the book been borrowed?

Ⅱ.Consolidation 1.Fill in the blanks. (1)More than 5,000 used bikes

(collect)since the two brothers set up the organization. (2)Since the cause of this disease

(discover),now we need to develop the medicine to treat it. (3)Over the past ten years,this town

(hit)twice by earthquakes. (4)—Will the lecture be held at 4 o’clock this afternoon? —No.It

(put off)till tomorrow afternoon.

(5)Her novel is very popular among people of all ages;so far it

(translate)into 25 languages. 2.Multiple choice. (1)All the preparations for the task

,and we’re ready to start. A.completed

B.complete C.had been completed

D.have been done (2)—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 employed (3)When and where to go for the on-salary holiday

yet. A.are not decided

B.have not been decided C.is not being decided

D.has not been decided (4)Betty

injured since last Saturday. A.has been B.was

C.is D.has (5)That book

into at least 20 foreign languages. A.has said to be translated B.has been said to have translated C.is said that it had been translated D.is said to have been translated (6)—Did you move into the new house? — No.The rooms

yet. A.were being painted B.are painting C.have not painted D.have not been painted 参考答案Step 1

感受新知

Ⅱ.1.两个窗子被打破了。

2.汽车还没有修好。

3.这些汽车修好了吗?不,还没有。

4.她的工作完成有多久了? Ⅲ.1.构成:have/has been done 2.现在完成时被动语态的各种句式: [肯定式]

have/has+been+done [否定式]

have/has+not+been+done [疑问式]

Have/Has+主语+been+done?

[特殊疑问式]

疑问词+have/has+主语+been+done? Step 2

巩固运用

Ⅰ.1.has been closed 2.have been sold out 3.have been cut down 4.has been broadcast Ⅱ.1.B

2.A

3.D

4.B Step 3

拓展

Ⅰ.1.A personal computer has been bought by us. 2.What has happened to you? 3.Our computer has just been joined to the Internet. 4.The child has been taken good care of by Grandma Wang all these years. 5.How long has the book been kept? Ⅱ.1.(1)have been collected (2)has been discovered (3)has been hit (4)has been put off (5)has been translated 2.(1)D

(2)B

(3)D

(4)A

(5)D

(6)D