Learning about Language优质教案设计

Unit 3 Computers

一、设计人：鹤庆县第三中学 杨荣荣

二、课题：

Unit3

Learning about language—the Present Perfect Passive Voice 三、教学设计 The General Idea of This Period：

This period includes revision of the text, learning about language. From this period the students will learn how to use some of the key words and expressions in the text and do some exercises for consolidation，and learn how to use the Present Perfect Passive Voice. —the Present Perfect Passive Voice Teaching Aims：

1.Help the students to learn to use some useful words and expressions. 2.Enable the students to learn how to use the present perfect passive voice. Teaching Important Point：

The use of the present perfect passive voice. Teaching Difficult Points：

How to master the usages of some important words and phrases and the present perfect passive voice. Teaching Methods：

1.Task-based learning. 2.Cooperative learning. 3.Explanation and practice. Teaching Aids：

1.A tape recorder. 2.A multimedia. Teaching Procedures：

Step 1 Lead- in Show a picture and T ask Ss : What’s Xiao Ming doing?

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Ss: Xiao Ming is doing his homework. Two hours later, Xiao Ming is watching the TV and he has finished his homework. Change the object(the homework) into the subject. How to say? Xiao Ming has finished his homework.

- The homework has been finished by Xiao Ming.

Step2

look at the sentences carefully and tell me their differences and commons. 1. In the past five years, I have read a hundred books. 2. Dashan has learned crosstalk for decades. 3. Over time I have been changed a lot. 4. Tom’s novel has not been published yet.

5. I have been used in offices and homes since the 1970s. Step3

the Structure of the present perfect passive voice. T: if Xiao Ming hasn’t finished his homework, how should we say with the present perfect passive voice? Ss: The homework hasn’t been finished by Xiao Ming.

Xiao Ming has finished his homework.

The homework has been finished by Xiao Ming.

Xiao Ming hasn't finished his homework. The homework hasn’t been finished by Xiao Ming.

Has Xiao Ming finished his homework?

Has the homework been finished by Xiao Ming?

Summarize the the present perfect passive voice:

现在完成时的结构have/has done

现在完成时被动语态的结构have/has been done

现在完成时被动语态的否定式have/has not been done

现在完成时被动语态的疑问句Have/has sb. been done?

Step4

Practice

1. I got caught in the rain and my

suit _______.

A. has ruined

B. had ruined

C. has been ruined

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D. had been ruined 2. Professor James will give us a

lecture

on the Western culture, but when and

where ___ yet.

A. hasn’t been decided

B. haven’t decided

C. isn’t being decided

D. aren’t decided

3. With the help of high technology,

more and more new substances

____ over the past years.

A. discovered

B. have discovered

C. had been discovered

D. have been discovered 4.In the last few years thousands of films___all over the world.

A. have produced

C. have been produced

B. are producing

D. are being produced

5. I like these English songs and they___ many times on the radio.

A. taught

C. have taught

B. are taught

D. have been taught

6. All the preparation for the task ____, and we’re ready to start.

A. completed

B. complete

C. had been completed

D. have been done 7. ---- 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

Step 5

Correction 1.A personal computer has bought by us. 2. Many problems has been found with our new computer. 3. The computer was used every day since we bought it. 4. A lot of e-mails had written on the computer in the past 5 years. Step 6

Further Study:

高考链接

1. (2018全国卷II)

Since 2011, the country

_______________ (grow) more corn than rice .

2.(2017全国卷III)

Sarah

______________ (tell) that she could be Britain's new supermodel, earning a million dollars in the next year.

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3.

(2017全国卷III) 短文改错

I had grown not only physically, and also mentally in the past few years. Step 7

Summary •

现在完成时的判定:

注意相关时间状语（“已经”）

•

现在完成时的结构:

have/has done •

现在完成时被动语态的结构:

have/has been done

Step8

Homework Try to remember the grammar rules and do exercises 1, 2 and 3 on page 21.

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