Learning about Language教案教学设计导入整理

Unit 3 computers Learning about Language 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 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? In 1642 ,in 1822,In 1936, .In the 1940s, In the 1960s, in the 1970s, now . S1：Let me try..In 1642，a calculating machine was used in France.... 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.You can create your own story according to the outline. Then some of you will be asked to read the sentences one by one. Step 3 Grammar—The Present Perfect

Passive Voice T：Boys and girls，now please pay attention to the following sentences in the text：

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!

1

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 …

T：What verb tense is used in these sentences?And what verb voice is used in these sentences? Yes，the present perfect passive voice is used in these sentences. Can you tell us the structure of the present perfect passive voice? Quite right.The structure of the present perfect passive voice is “have/has been done”.The function of present perfect passive voice is indicating verbs’ the present perfect and the passive voice.OK，let’s practise the present perfect passive voice and change the following sentences from active voice to passive voice. 1.They have asked him some questions.→ He has been asked some questions.

2. He has eaten the cake. →The cake has been eaten by him.

Task 1

T：Please turn to Page 21 and finish Ex.2.According to examples，change the following sentences into the present perfect passive voice.Put the verbs into the correct form. Check their answers. Task 2 T：Class，let’s play a game called “Look at the way...”.Now，get into groups of four.Your task is to decide what things you will talk about.Take turns to make the ideas as interesting and lively as you like.You may finish them according to EXAMPLE 3 on Page 21，Then collect the ones you all like best and be prepared to tell them to the class. Task 3 T：Now，Let’s talk about the other forms of the passive voice. You can discuss in groups:

What about the negative form and the question form. (1)

“have ／has ＋not＋been ＋

p.p.”

(2)

“Have ／Has ＋主语＋been＋p.p.”

(3)

“疑问词＋have／has＋主语＋been＋p.p.”

Give more exercises for the students to practise. Then check their answers. Step 4 Homework T：OK，it’s almost time for a break. After class ,you can review what we have learned in the class and you finish exercises 1&2 on page 57 as your written homework. Step 5 The Design of the Writing on the Blackboard Unit 3

Computers

Period 2 The Present Perfect Passive Voice Structure：

1.

“subject+have/has been done...”

2.

“have/has +not + been+done”

3.

“Have/has + Subject + been+done”

4.

“Wh +have/has +Subject +been +done”

2

3