Learning about Language课时教案

教案: Book 2 Unit 2 Learning about Language (2) Teaching goals 教学目标

重点句子

As time had gone by, I have been made smaller and smaller.

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

Over time my memory has developed so much that, like an elephant, I never forget anything I have been told! Since the 1970s many new applications have been found for me.

I have also been put into robots and used to make mobile phones as well as help with medical operations.

I have even been put into space rockets and sent to explore the Moon and Mars.

2. Ability goals 能力目标

Enable students to learn the form and function of present perfect passive voice.

3. Learning ability goals 学能目标

By writing a poem using present perfect passive voice, enable students to use the structure freely and creatively.

Teaching important and difficult points 教学重难点

How to change the sentences into the present perfect passive voice.

Teaching methods 教学方法

Personalization, Induction and imitation.

Teaching aids 教具准备

Projector and tape recorder. Teaching procedures & ways 教学过程与方式

Step I Revision Check the homework. Ask two students to read the passage they have written. Their passage should be brief and include the key information or facts about the development of computers.

Step II Discovering useful structures

Let students find sentences in the present perfect passive voice in the text and then

analyze their form and function. (activity 1 on page 21.) Students may find the following sentences: 1. I have been used in offices and homes since the 1970s.

2. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told! 3. Since the 1970s many new applications have been found for me.

4. I have also been put into robots and used to make mobile phones as well as help with medical operations.

5. I have even been put into space rockets and sent to explore the Moon and Mars.

Then let students study these sentences carefully and sum up the form of present

perfect passive voice tense. Elicit the structure: S + have/has + been + V-ed T: Why is the passive voice used here? When do we usually use passive voice? Ss: …

T: The passive voice is used when the subject of a sentence is the person or thing affected by the action of the sentence. We particular use the passive voice when don’t know or aren’t bothered exactly who has done something. Now look at activity 2. Change the 第

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sentences into the present perfect passive voice. Pay attention to the use of has/have. When do we use has and when do we use have? Ss: We use has when the recipient of the action is the third person single or single nouns. We use have when the recipient of the action is the first or second person or plural nouns.

After students finish, check the answers.

Step III:

more practice:

I.

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 builded 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.

II.

用被动语态改写下列句子。

1. They have finished the construction of the new railway lines by now. ____________________________________________________________________ 2.

We have built a new library and a gymnasium in our school this year. ____________________________________________________________________ 3.

The car factory has produced a great many fine cars since the technological revolution. ____________________________________________________________________ 4. They have made a plan to help the poor children in the poor area. ____________________________________________________________________ 5.

The government has spent a lot of money on the Hope Project. ____________________________________________________________________ III.

高考链接：单句语法填空

1．(2016·高考全国甲卷改编)Leaving the less important things until tomorrow

(be) often acceptable. 2．(2017·福建质检)Medicine should

(keep)in drawers children can't reach, and all cleaning liquids in high cupboards. 3．(2017·河南郑州二检)This opening led to a cave, so the historians decided to have a look around it. The walls of the cave

(cover) with ancient art. 4．(2017·广东五校协作体一次联考)So far efforts by individual countries

(do) little to control the spread of terrorism. 5．Sally

(take) some courses at university, so she can't work fulltime at the moment. 6．(2017·河北石家庄调研)In US high school, everything

(record) and graded, including your grades on quizzes, tests and final examinations. Step IV. Homework: Do more practice in the textbook. 第

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