Learning about Language公开课教案（教学设计）

Book2

Unit3

Computers Learning about Language

河北省新乐市第三中学

贾文静

Teaching Aims: Knowledge aims: Students are able to learn the present perfect passive voice. And they can have a good knowledge of some useful sentences. Ability aim: Train the students’ ability to collect useful information from the Interent by themselves. Emotional aim: Guide the students to work hard to creat more wonderful and convenient inventions for human beings. Teaching important point：How to use the present perfect passive voice correctly. Teaching difficult point: How to help students to collect words to make sentences correctly by themselves. Teaching Methods: Cooperative learning and discussion Teaching type: Grammar

Teaching Aid: The multimedia Teaching Procedures：

Step1

Greetings and Review Greet with students as usual. And then invite students do the exercise of P20 together to review the words we have learned before. Ask students write down their answers on the blackboard. Step2 Presentation

In this part we can Chinese when necessary. Firstly invite students to find out the sentences in the present perfect passive voice from the reading passage. Then let students to summarize the structure of the present perfect passive voice. 现在完成时的被动: has /have been+done Secondly explaination the meaning of the present perfect passive voive. 1.表示过去开始的被动动作一直持续到现在，常与之连用的时间状语有：for +一第

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段时间，since +时间状语（从句），these days, so far, up to now, in the last / past few years等。

e.g

Up to now, the plan has been discussed for nearly 2 hours. 2. 表示某被动动作对现在造成的影响或结果，常与already, yet, just, ever, never, recently等连用。

e.g.I have already been introduced to Mr. Smith. Thirdly, students will learn some sentence pattern about the present perfect voice. 1. [肯定式] 主语+has/ have been +done

The desks have been cleaned. 2.[否定式]

have/has＋not＋been＋done The desks have not been cleaned. 3.[疑问式]Have/Has＋主语＋been＋done? —Have the desks been cleaned? —No，they haven't. 4.[特殊疑问式]

疑问词＋have/has＋主语＋been＋done?

How long have the desks been cleaned？

**注意：

1.

现在完成时的被动语态的两个助动词，即have/has和been，缺一不可。

2. 一般过去时则是表示过去某时发生的动作或情况, 与现在没有关系。一般过去时常与表示确定的过去时间的状语连用, 如: yesterday, two weeks ago, in 1978, 等, e.g.The machine has been repaired．

机器已经修好了。(说明动作发生在过去，对现在有影响，修好了。)

The machine was repaired yesterday．

机器昨天修了。(只说明动作发生在昨天。) （3）副词的位置

often, usually, always, never, hardly, seldom等副词置于have/has和been中间。

eg: Such a man has hardly been believed. Finally, invite students summarize the passive voice together. 第

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被动语态的构成：be + done (过去分词)

4.现在完成时：have/has been done

Step4：Drills （Finding the rule on P21.）

Students in groups of 3. One reads out the “Simple sentences”, one make sentences in the present perfect passive voice. Step5 Practice and Consolidation Do the exercises on the screen to consolidation the knowledge we have learned. I. Choice Question 1. Both my brothers work at the power station that ___ in my hometown. A. has set up

B. has been set up

C. was set up

D. is set up 2. ---_____ the sports meet will be put off. A. I’ve been told

B. I’ve told

C. I’m told

D. I told

3. All the preparation for the task ____, and we’re ready to start.

A. completed

B. complete

C. had been completed

D. have been done 4. ---- How long ____ at this job?

---- Since 1990. A. were you employed

B. have you been employed C. had you been employed

D. will you be employed 5. When and where to go for the on-salary holiday ____ yet. A. are not decided

B. have not been decided C. is not being decided

D. has not been decided 6. --Did you move into the new house?

-- No. The rooms ___ yet. 第

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A. were being painted

B. are painting C. have not painted

D. have not been painted II. Sentence Correction 1. A personal computer has bought by us. 2. Many problems has been found with our new computer. 3. The computer was used every day since we bought it. 4. A lot of e-mails had written on the computer in the past 5 years. 5. The company has given its computers away to a local school. 6. The scientists have developed a kind of intelligent robot. III. Do the exercise of P21, change the following sentence into the present perfect passive voice. Step6 Summary and Homework Summary: Invite students to summarize what we have learned today as well as the rule of the present perfect passive voice. Homework: Finish Exercises2 ,3 and Exercise4 On P50 of exercise book.

Step 7 Blackboard Design:

Unit 3 Computers The Present Perfect Passive Voice 被动语态的构成：be + done

一般现在时：am/is/are +done

Meaning：

一般过去时：was/were + done

①

一般将来时：will/ shall + be done

②

现在完成时: have/ has been done

now now 第

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