Learning about Language教学设计模板

Book 2

Unit 3

Computers Learning about Language (The Present Perfect Passive Voice)

毕节二中

杨英

Introduction

Lead in the class by retelling the text “who am I”?.After that they may be helped to learn about the present perfect passive voice and to discover and use useful structures. Objectives 1.To help students review the present perfect tense and know the Usages of the present perfect tense. 2.To help students understand and use the present perfect passive voice. 3.To help students write sentences by using the present perfect passive voice. Procedures

Step1. Lead in the class by retelling the text “who am I”?

Computers, which began as a calculating machine in 1642,(1) _______________(change) a lot over time. It took nearly two hundred years before the analytical machine (2)____________ (develop)by Charles Babbage. By the 1940s the computer had grown as large as a room. With time going by, the computer (3)________ (make) smaller and the shape (4) _________(change) totally .First as a PC and then as a laptop, the computer (5) __________(use) in offices and homes since

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the 1970s. These changes only became possible as its memory improved. In the early 1960s the first family of computers (6) ____________(connect) to each other by a network. Now many new applications (7)____________ (find).The computer has become very important.

Step2 Review the present perfect tense 1.He _________(live) here since 1978. 2.I ___________(hear) nothing from him up to now. 3.My mother is ill again, she __________(be) in poor health all her life. 4.We __________(live)here for ten years. 5. Who________(turn) the night just now? 6. My brother ______(meet) her in the street two days ago. 7. I ___________( just have) breakfast. 8. Tom____________(not meet) me before. 9.He __________(make) many new friends so far. 10. Lily is an excellent teacher ,but she_________ Step3.

Learn the usages of the present perfect passive voice. 1.

Discover the structure of the present perfect passive voice. 2. Learn the usages of the present perfect passive voice. 3. Do exercise (1). I have given him the books.(同义句)

The books _____ _____ _____

to him.

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(2). I have asked her to help you.(同义句)

She ____ _____ _____ to help you. (3). A new computer has been bought?(改成一般疑问句）

Has a new computer been bought? (4). They have been sent abroad to study English.（改成否定句）

对划线部分提问

(5). Tom has bought many books.

(6). Mr. Wang has saved a little girl. (7). Six buildings have been built in this school? (8). The missing boy has been found in the forest. 改错

1. A personal computer has bought by us. 2. Many problems has been found with our new computer. 3. A PC has been building the way we wanted. 4. Our computer just has been joined to the internet. 5. Two years before, I traveled to Brazil and I rented a car. 6. A lot of e-mails had written on the computer in the past 5 years. 7.Great changes have been taken place in our hometown since 1999. 8.Envirionment problems have been paid attention by our government. Step 4. Group work Please appreciate the following pictures which are about our hometown, BiJie city and then write sentences by using the present

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perfect passive voice. Step 5 Conclude Step 6 Homework Please write a letter to your American pen pal, Tom(about 100 words) by using the Present Perfect Passive Voice to invite him to visit your hometown. The content is mainly about The Great Changes of your hometown,Bijie Dear Tom,

I am writing to tell you the great changes of my hometown, Bijie city._________________________ ______________________________________________________________________________________

I am looking forward to your early reply. Yours, Lihua

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