英语
当前位置:继教网首页 >> 学科频道 >> 英语 >> 教学设计 >> 查看文章
外研社英语:初三上Module4 Unit 3教案
  发布者:学科专家   来源:新课标第一网  发布时间:2012-08-14

课题

Module 4  Great Inventions Unit 3 Language practice

     

德育目标:To know about some great inventions

知识目标: To practice the use of passive voice

能力目标:To complete a task about “How to improve inventions”

重点

被动语态:

情态动词的被动语态: 情态动词(not+ be +过去分词

现在完成时—— havehas +been+动词的过去分词

难点

情态动词的被动语态: 情态动词(not+ be +过去分词

现在完成时—— havehas +been+动词的过去分词

课型

Revision and application

教法

Formal and interactive practices

Part I: Revision

Language practice

现在完成时的被动语态: have/hasnot been +过去分词

Paper and printing have been used for ages.

The battery hasn’t been changed for a couple of months.

Has it been published yet?

情态动词的被动语态: 情态动词(not+ be +过去分词

Information can be kept on CD-ROMs.

Books could only be produced one at a time.

Can books be replaced by computers?

Conclusion (I)

当我们不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者时,或者只需强调动作的承受者时,要用被动语态。

被动语态:主语是动作的承受者

被动语态的构成:be +动词的过去分词

一般现在时—— amis are +动词的过去分词

一般过去时—— waswere +动词的过去分词

情态动词—— aux.v. (mustcancouldmay…)+ be +动词的过去分词

现在进行时—— be(amisare)+being +动词的过去分词

一般将来时—— will bebe going to be +动词的过去分词

现在完成时—— havehas +been+动词的过去分词

时态

被动语态结构

一般现在时

 am/is/are done

 

一般过去时

 was/were done

 

现在进行时

 am/is/are being done

 

过去进行时

 was/were being done

一般将来时

 Will be done

过去将来时

 Would be done

现在完成时

 Have/ has been done

过去完成时

 Had been done

主动语态如何改成被动语态?

1. 主动语态的宾语改成被动语态的主语。

2. 主动语态的谓语动词改成被动语态的谓语动词。do----be done

3. 注意保持时态和人称的一致

4. 带双宾的谓语动词有两种改法。当把直接宾语改成主语时,谓语动词后必须加适当的介词:  to / for. X kb 1.co m

如:give-- be given to 此类动词还有:pass show send…

再如:buy--- be bought for此类动词还有:make draw cook mend…

5. 一些动词不定式在主动语态中省略to作宾语补足语,改成被动语态时,to必须还原。

:1. 不及物动词(vi.)不用被动语态。如:happentake place appear

disappear没有被动形式。

**几种特殊结构

1.My uncle gave me a gift on my birthday----

       I was given a gift on my birthday

      A gift was given to me on my birthday.

2.We often hear him play the guitar

      He is often heard to play the guitar

      注意:see, watch, hear, notice, feel, make, listen to, look at等动词/短语后作宾语补语的不定式都不带to;但改成被动语态后必须带to

Exercises

1. Complete the sentences with the correct form of the words.

1. I think one day books may ___________(place) completely.

2. My bike _____________(leave) at school, so I have to take the bus to school today.

3. The battery ___________________(charge) yet. How can I use my recorder.

4. Paper should not _________(throw) away.

5. Books and other material can _____________(borrow) from the library.

6. I’ve bought a second-hand MP3 player—and about 1,000 songs have ___________ (download) onto it!

7. Has the computer ________________(repair) yet? I need to write my article with it.

8. What have ________________(turn on)?The radio.

2. Work in pairs: Complete the quiz questions and choose the correct answer.

  1. Who/ pyramids/ build?----     Who were the pyramids built by?

a) The Egyptians b) The Ancient Greeks c) The Romans   

2. What/ use/ to make paper since the 19th century?

    a) Wood                b) Silk          c) Cotton

3. Where/ the story of Romeo and Juliet / set?

   a) In New York      b) In Athens      c) In London

4. Where/ the world’s oldest book printed on paper/ discover?

   a) In India             b) In China          c) In Egypt

5. How long/ computers/ use?

a) For less than 50 years. b) For 50 years c) For more than 50

3. Make questions and write answers.

What/ shouldn’t /do/with paper? (waste)-----

--What shouldn’t be done with paper?

--It shouldn’t be wasted.

  1. what/can/use/to make paper? (many things)
  2. What/ might/use/to replace books one day? (computers)
  3. how/must/printers/keep? (in good conditions)
  4. Where/can/music/keep? (on MP3 players)

4. Look at the pictures and describe how the place has changed. Use these words:

add, change, open, paint, put, turn on, take away,

5. Complete the passage with the correct form of the words.

call, clean, develop, introduce, invent, produce, spread, use, write

From about 500 BC, pens __________ for writing. The feathers of large birds ___________ and dried. The point of each feather was sharpened. Then people used them to write with ink. Many famous works, such as Shakespeare’s plays, ___________ with these pens. Then in the 18th century, A pen with a steel writing point ____________ Only a few words could __________, however, before the writer had to fill the pen with ink again. Many years later, the fountain pen ____________ from these early pens. In 1950, a European called Laszlo Biro invented the ballpoint pen. The popularity of writing _________quickly with the ___________ of the ballpoint pen. Even today, ballpoint pen, or Biros, as they _____________, are much less expensive, compared with the fountain pens.

6--7 Listening Practice

8. Complete the sentences with the phrases in the box.

by hand, for ages , from now on, I wonder, rather than

1. Could you imagine a digital image of Yao Ming  on the wall _____________   a poster?

  2. Things made _____________ are usually more expensive than those produced in factories.

  3. ____________ how old books are actually downloaded onto computers…

  4. I haven’t seen my best friend________________!

  5. We’re using too much paper. ____________, I’m going to read all my magazines online.

Around the world  

 E-book

Module task

Discuss how to improve inventions

Homework:

Finish off the workbook exercises

 

 
  相关评论 点击数:694     评论数:0    
   发表评论: (评论字数不能超过200字!)
 
验证码: