Learning about Language教学设计案例

Learning about Language 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. Teaching Aims：

1. To know the structure of the present perfect passive voice. 2. To learn the usages of the present perfect passive voice. 3. To become interested in grammar learning and try to use them freely. 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 Revision T：Boys and girls，in last period we learned something about the history and development of computers. Now who would like to retell the text with the help of these figures? S1：Let me try. In 1642，a calculating machine was used in France. Then in 1922，the Analytical Machine was made by Charles Babbage. It could follow instructions from cards with holes. In 1936，Alan Turing，the real father of computers，wrote a book to describe how computers could be made to work and built a “universal machine”

to solve any mathematical problem.

Later，people discovered the computer had “artificial intelligence”.In the 1960s，the computer got his new transistors. Its size was totally changed at that time. And in the early 1960s，the first family of computers were connected to each other. In 1970s，computers have brought into people’s homes. Now computers have been used by billions of people to deal with information and communicate with each other around the world by the Internet. T：Congratulations! You’ve done very well. Now try to do the same to your partners，OK! Step 2 Words and Expressions Task 1 T：Please turn to Page 20 and finish Discovering useful words and expressions. At first，look at Ex.1.From the reading passage，find the words and expressions with the following meanings. Now，ten students will be asked to give the words. Who can? Volunteers! Check the answers together. Task 2 T：Well done. Now please look at Ex 2. and complete the passage with some of the words above. Pay attention to the use and the forms of those words. Task 3 T：Please finish Ex.3.Look at the sentences on Page 20. Tick the right word. Then some of you will be asked to read the sentences one by one. Task 4 T：Please turn to Page 56 and let’s finish Using Words and Expressions. First look at Ex.1.Read through the words in the right-hand box below. Use some of them to name each part of a computer in the left-hand box. We have known about computer. But who can give us the exact names? Task 5 T：Now please look at Ex.2.Complete the sentences with some of the words in the right-hand box above. You can use each word only once. First do the exercise individually，and then check your answers with your partners. And last seven students will be asked to report their answers to the class. Step 3 Grammar—The Present Perfect Passive Voice Task 1 Leading-in

Observe the following sentences, and find something in common. (1) Over time I have been changed quite a lot.

(2) That book has been translated into at least 12 foreign languages.

Task 2 The concept 1. 说话时已经完成

的动作或出现的结果。

2. 主语是行为动作的承受者。

【注意】

1. 过去分词前有两个助动词have/has和been。

2. 必须表示被动。

I ____________(tell) about it many times．

The bridge ________________(build)．

Task 3 the sentence patterns 1.现在完成时被动语态肯定句句型：主语+ have/has been +done These trees ________________(water) lately.

2. 现在完成时被动语态否定句句型：主语+ have/has +not+ been + done The task _____________________(finish) yet.

Many workers_____________________（train) in the company. 3. 现在完成时被动语态一般疑问句句型：Have/Has

+主语

+ been+ done ...?

Has a new computer been bought ?

Have they been sent abroad to study English? 4. 现在完成时被动语态特殊疑问句句型：疑问词+

have/has + 主语+ been + done ...?

Where has the car been repaired? Who have been helped by the new computer?

How many buildings have been built in this school?

Task 4 practice Making up sentences using present perfect passive voice: 1.

The buildings have been destroyed in the earthquake. 2.

The shared bikes have not been used in some big cities. 3.

A new bridge has been built in our city. 4.

Many trees have been planted in the desert.

Step 4 Grammar—The usage of the Present Perfect Passive Voice 1.

现在完成时的被动语态同他的主动语态一样，强调过去的动作对现在造成的影响或后果already, yet, just, never, recently 等副词

(常放在have或has之后)连用。

The work has already been completed. 2.

表示一个被动的动作或状态开始于过去,持续到现在,并可能持续下去,常与for 或since引导的时间状语连用,或用于How long...?句型中。

My car has been repaired for two days. The house has been painted since the family moved out. 3.

用在条件状语从句中，表示将来某时已经完成的动作. We will start as soon as the work has been finished. 【注意】

1.

常用于现在完成时的句子中，since then /since +从句,so far, by now, up to now, recently, lately, already, yet, in/during the past/last + 段时间等。

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。例如: happen, take place, die, appear, disappear, fail, remain, lie, last, sit, stand, break out, come true, belong to等。

3.

但许多不及物动词加介词或副词构成的动词短语，相当于及物

动词，也可以有被动语态。但动词短语是一个不可分割的整体，变为被动语态时,不可丢掉构成短语的介词或副词。

The child ______________ (take) good care of by his grandma all these years. A notice ___________(put) up on the wall. 4.

一些特殊动词, 如borrow, finish, begin, buy, start, return, 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, 则需改换动词或时态。

My brother has had(不能用has bought) this bike for almost four years. Step 5 Class exercise: Ⅰ. 把下列主动语态转化为被动语态: 1. People play football all over the world. Football __________ all over the world by people. 2. Did they ask him some questions?

_____________ any questions by them? 3. They warned Mary that the dog was dangerous. Mary ____________ that the dog was dangerous by them.

4. Who has broken the window? By whom _____ the window ________________? 5. You forgave him his rudeness, didn’t you?

He _________________ his rudeness by you, wasn’t he?

6. Should we do the work today or tomorrow? ________ the work __________ today or tomorrow by us?

II.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 built the way we wanted. 4. Our computer just has been joined to the Internet. 5. The computer was used every day since we bought it. 6. A lot of e-mails had written on the computer in the past 5 years.

Ⅲ.翻译

1.在过去的十年里，许多房子已经被建立起来了。

2.这项工程已经实施多长时间了？

3.问题已经被解决了。

4.衣服上的墨迹还没有去掉。