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1、课 题Module 4 Great Inventions Unit 3 Language in use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：被动语态： 情态动词的被动语态：情态动词的被动语态： 情态动词（情态动词（not）+ be +过去分词过去分词 现在完成时 havehas +been+动词的过去分词动词的过去分词难 点情
2、态动词的被动语态：情态动词的被动语态： 情态动词（情态动词（not）+ b e +过去分词过去分词 现在完成时 havehas +been+动词的过去分词动词的过去分词mRevision and application教 法Formal and interactive practicesPart I: Revision Language practice 现在完成时的被动语态：现在完成时的被动语态： have/has（not） been +过去分词过去分词 Paper and printing have been used for ages.The battery hasnt been cha
3、nged for a couple of months. Has it been published yet? 情态动词的被动语态：情态动词的被动语态： 情态动词（情态动词（not）+ be +过去分词过去分词 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
4、动作的承受者被动语态：主语是动作的承受者 。 被动语态的构成：被动语态的构成：be +动词的过去分词动词的过去分词 一般现在时 amis are +动词的过去分词动词的过去分词 一般过去时 waswere +动词的过去分词动词的过去分词 情态动词 aux.v. (mustcancouldmay)+ be +动词的过去分词动词的过去分词 现在进行时 be(am、is、are)+being +动词的过去分词动词的过去分词 一般将来时 will bebe going to be +动词的过去分词动词的过去分词 现在完成时 havehas +been+动词的过去分词动词的过去分词时态被动语态结构一般现
5、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？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
6、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 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。 注:1. 不及物动词（vi.)不用被动语态。如 :happen、take place 、appear disappear没有被动形式。 *几种特殊结构几种特殊结构 1.My uncle gave me a gift on my birthday- I was given a gift o
7、n 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.
8、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. Ive bought a second-hand
9、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: Complete the quiz questions and choose the correct answer. 1.Who/ pyramids/ build?- Who were the pyramids built by? a)
10、 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 London4.where/ the worlds oldest book printed on paper/ discover?a) In India b) In Chinac) In
11、 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/ shouldnt /do/with paper? (waste)- -What shouldnt be done with paper? -It shouldnt be wasted. 1.what/can/use/to make paper? (many things) 2.What/ might/use/to re
12、place 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 o
13、f 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 Shakespeares plays, _ with th
14、ese 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 popularit
15、y 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 fact
