Learning about Language含PPT的教学设计及点评

Unit 3 Computers Grammar Teaching Introduction This teaching period mainly deals with the grammar: the present perfect passive voice. Firstly, the teacher can ask students to read the reading passage again, tick out the sentences in the present perfect passive voice from the reading passage and translate them into Chinese. Secondly, compare and discover the structure and usages of the present perfect passive voice by giving a lot of example sentences. Thirdly, do the exercises in Discovering useful structures on page 21 and more exercises for students to master the present perfect passive voice. Finally, summarize the present perfect passive voice. Teaching goals: Knowledge goals 1.

Get students to know the structure of the present perfect passive voice. 2.

Let students learn the usages of the present perfect passive voice. Ability goals Enable students to use the present perfect passive voice correctly and properly. Emotion goals 1.

Get students to become interested in grammar learning. 2.

Develop students’ sense of group cooperation. Teaching important points Get students to master the structures and usages of the present perfect passive voice. Teaching difficult points Enable students to learn how to use the present perfect passive voice correctly. Teaching methods 1.

Task-based teaching and learning

2.

Cooperative learning and practice Teaching procedures Step 1 Grammar revision

1.

Review the passive voice 1)

被动语态的结构：be + p.p. 2)

一般现在时被动语态的结构：am/is/are (not)+p.p. 3)

一般过去时被动语态的结构：was/were (not)+p.p. 4）含有情态动词被动语态的结构：

can/could/may/might/will/would/shall/should/must/need(not)+be + p.p. 5）一般将来时被动语态的结构：will (not)/be (not) to+ be+ p.p. (Review what they already know about the perfect tense and passive voice to reduce the difficulty of this class) 2. Fill in the blank with the right form of the verb given. 1) Running races (hold) on the playground yesterday. 2) Food (serve) between x:00 and 14:00 every day. 3) Nobody can (allow) to enter the stadium without a ticket. 4) Whoever breaks the law, he (punish). Suggested answers: 1)

were held 2) is served 3) will be allowed 4) will be punished Step 2 Grammar learning 1.

Discovering Ask students to look at the exercises 1 on page 21. Look at the following sentence, paying attention to the underlined part. EXAMPLE: Over time I have been changed a lot.

Ask students to go back to page 18 to read the passage

Who am I ?, let them pick out the sentences in the present perfect passive voice and translate them into Chinese. Suggest answers: 1)

Over time I have been changed quite a lot. 随着时间的逝，我已经被改变了许多。

2)

I have been used in offices and homes since the 1970s. 自从20x70年代以来，我已经被应用于办公室和家庭。

3)

I never forget anything I have been told. 我从来不会忘记告诉我的任何事情。

4)

Since the 1970s many new applications have been found for me. 自从20x70年代以来，许多新的用途已经为我开发出来。

5)

I have also been put into robots and used to make mobilephones 我也已经被装入机器人体内，并应用于制造移动电话

6)

I have even been put into space rockets 我甚至已经被装入太空火箭

2．Thinking Let students look at the tense used in the sentences they picked out and think over this question: What is the structure of the present perfect passive voice? 3. Summing up(group work) The structure of the present perfect passive voice is “have/has+ been + p.p.”. It is a combination of the present perfect tense (have/has + done) and the passive voice (be + p.p.).

Ask students to turn to page 87 and look at the chart of the present perfect passive voice.

现在完成时的被动语态的构成（以动词ask为例）

肯定式

I have You have He/She/It has We have You have They have

(Develop their sense of self-study and group cooperation0 Step 4 Grammar practice Ask students to finish the exercise 2 and 3 on page 21. Change the following sentences into the present passive voice. 1.

My friend has bought a new personal computer. 2.

The shop has repaired my computer very quickly. 3.

An unknown virus has just attacked my computer. 4.

We have not solved the problem yet. 5.

The company has given its computers away to a local school. 6.

The scientists have developed a kind of intelligent robot. Suggested answers: 1.

A new personal computer has been bought by my friend. 2.

My computer has been repaired by the shop very quickly. 3.

My computer had just been attacked by an unknown virus. 4.

The problem has not been solved by us yet. been asked…

I have You have He/She/It has We have You have They have

not been asked…

否定式

Have I Have you Has he/she/it Have we Have your Have they

been asked…? 疑问式

5.

Its computers have been given away to a local school by the company. 6.

A kind of intelligent robot has been developed by the scientists.

Step 5 writing 1. Underline the use of the present perfect passive voice in the following poem. Then fill in the chart below. Look at the way your face has been washed Look at the way your hair has been combed Look at the way your shoes have been cleaned You’d better do them again.

Look at the way the flowers have been planted Look at the way the grass has been cut Look at the way the paths have been swept I hope that you’ll come here again.

Things that have been done well

Things that have been done badly

Suggested answers: Look at the way your face has been washed Look at the way your hair has been combed Look at the way your shoes have been cleaned You’d better do them again.

Look at the way the flowers have been planted Look at the way the grass has been cut

Look at the way the paths have been swept I hope that you’ll come here again. Things that have been done well Things that have been done badly the way the flowers have been planted the way the grass has been cut the way the paths have been swept the way your face has been washed the way your hair has been combed the way your shoes have been cleaned

2. Read this poem aloud, paying attention to the rhythm and intonation. Then write your own poem. Look at the way Look at the way Look at the way Look at the way Look at the way Look at the way (Develop their interest in grammar learning and put the grammar into practice by writing a poem) Step 6 Consolidation Ask the students to close their books, and then recall what have learned in this class. (Consolidate what they have learned in this class) Step 7 Homework 1.

Finish the workbook exercises on page 57. 2.

Finish the exercise as follow and hand it in the next day. 3.

Preview the passage Andy-The Android

on page 23, find the sentences in which the present perfect passive voice has been used and see if you can put it

into the active voice. (Get students to practise more after class) Teaching Reflection: Because the students have some knowledge about the passive voice, most students can accept and master the present perfect passive voice after revision, discovery, analyzing, exercise and summing up. The writing practice will surely stimulate their interest in grammar learning and help them to make use of the grammar correctly as well as appreciate the beauty of English.