2013年九年级英语上册 Module 4 Great Inventions Unit 3 Language in use精品教案 外研版.doc

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1、Module 4 Great Inventions Unit 3 Language practice课题Module 4 Great Inventions Unit 3 Language practice教 学 目 标德育目标：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

2、+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 practicesPart I: RevisionLanguage practice现在完成时的被动语态： have/has（not） been +过去分词Paper and printing have been used for ages.The battery hasnt been changed for a couple of months.Ha

3、s 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 w

4、aswere +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(am、is、are)+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 be

5、en 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 done3. 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.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 mend5. 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。注:1. 不及

6、物动词（vi.)不用被动语态。如:happen、take place 、appeardisappear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

7、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。Exercises1. 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. Pa

8、per should not _(throw) away.5. Books and other material can _(borrow) from the library.6. Ive bought a second-hand MP3 playerand 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: Comp

9、lete 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) Cotton3. Where/ the story of Romeo and Juliet / set? a) In New Yo

10、rk b) In Athens c) In London4. Where/ the worlds oldest book printed on paper/ discover? a) In India b) In Chinac) In Egypt5. How long/ computers/ use?a) For less than 50 years. b) For 50 years c) For more than 503. Make questions and write answers.What/ shouldnt /do/with paper? (waste)-What shouldn

11、t be done with paper?-It shouldnt 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

12、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, writeFrom about 500 BC, pens _ for writing. The feathers of large birds _ and dried. The point of each feather was s

13、harpened. Then people used them to write with ink. Many famous works, such as Shakespeares 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 pe

14、n _ 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 Practice8. Complete

15、 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 havent seen my best friend_! 5. Were using too much paper. _, Im going to read all my magazines online.Around the world E-bookModule taskDiscuss how to improve inventionsHomework:Finish off the workbook exercises5