Great Inventions

1.invent 2. inventor 3.invention 4. Microwave oven 5. gun 6. steel 发明（动词） 发明家 发明（名词） 微波炉 枪 钢 Vocabulary Review

7.papermaking 8.gunpowder 9.magic square 10. motor 11.lighting rod 12.bulb 造纸业 火药 魔方 发动机 避雷针 灯泡

13.machine 14. typewriter 15.World Wide Web 16. Internet 17.mobilephone 18.e-book 机器 打字机 万维网 因特网 手机 电子书

1. be made of 2. be made from 3. be used for 4. be used by 5. be used as 6. be invented by 7. be made/produced in 8. be introduced into 9. be discovered in 由。。。制成（能看出原材料） 由。。。制成（不能看出原材料） 被用于做什么 被谁来用 被作什么来使用 被谁发明的 在什么地方被生产出来的 被介绍到什么地方 在哪里被发现

1. 由。。。制成（能看出原材料） 2. 由。。。制成（不能看出原材料） 3. 被用于做什么 4. 被谁来用 5. 被作什么来使用 6. 被谁发明的 7. 在什么地方被生产出来的 8. 被介绍到什么地方 9. 在哪里被发现 10. 被叫做 be made of be made from be used for be used by be used as be invented by be made/produced in be introduced into be discovered in be called 词组检测

It is made from trees. It is made of metal. It is made of plastic. It is used for communicating. It is used for writing or copying. It is used by the police. Grammar Review

Complete the blanks.  Paper is made from trees.  The gun is made of metal.  Wine is __________ grapes.  Gas is ___________ coal.  My watch is ________ steel. made from made of 一般现在时的被动语态： am / is / are + PP

use …for A camera is used for taking photos. Let‘s practice ！

A recorder is used in our English class every day. recorder English class

kites umbrella

Questions : 1. When were kites known in China? 1. What were they used to do ？ 2. When were umbrellas invented? 3. What were they made from? They were known three thousand years ago They were used to transport supplies. They were invented thousand of years ago They were made from oiled paper and bamboo.

football magic squares

Questions : 1.Where was soccer developed? 2.Where were magic square invented? 一般过去时的被动语态： was / were + PP

Your car can be parked here. your car park

Bicycles can be left here. bicycles leave

must water The tree must be watered often. Let‘s practice ！！

Your car can’t be parked here. car park

Cigarettes shouldn’t be smoked here. cigarettes smoke

Photos mustn’t be taken here. Cameras mustn’t be used here. photos, take / cameras, use 含有情态动词的被动语态： 情态动词 + be + PP

send to right now They will be sent to the hospital right now. 一般将来时的被动语态： will + be + PP be going to + be + PP

will be done road widen trees plant hospital set up Have a try

will not be done 否定结构 Dogs will not be allowed to enter your classroom. allow

smoking stadium allow Smoking will not be allowed in the stadium. 一般将来时的被动语态： will + be + PP be going to + be + PP

表格：被动态基本结构 时态被动语态结构 一般现在时 一般过去时 一般将来时 情态动词 Can/may/must be done am/is/are done was/were done shall/will be done

[1]. Now English ____ by more and more people all over the word. A. speaks B. is spoken C. was spoken Exercises

[2]. The lost boy ____ at the street corner last night. A. was found B. is found C. was looked for

[3]. Flowers ____ every day. A. has been watered B. should be watered C. should water

[4]. More man-made satellites ____ in the future. A. will send up B. will be sent up C. are sent up

5. All those old buildings ______ down tomorrow. A. will be knocked B. will knock C. will have knocked D. knock 解析 : will/shall be +p.p. 一般来时 被动语态。故答案选 A 。 A

6. It is said that a new robot ____by him in a few days. A. designed B. has been designed C. will be designed D. will have been designed C

Exercises Complete the sentences with the correct form of the words. 1.I think one day books may ___________(place) completely. 2. Paper should not _________(throw) away. 3. Books and other material can _____________(borrow) from the library. 4.Will the computer ________________(repair) tomorrow? I need to write my article with it. 5. When_____kites_________(invent)? About 3000 years ago. 6. Stamps___________(use)for sending letters. be borrowed be thrown be placed be repaired wereinvented are used

Exercises 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 Chinac) In Egypt 5.How long/ computers/ use? a) For less than 50 years. b) For 50 years c) For more than 50 What was used to make paper since the 19th century? Where was the story of Romeo and Juliet set?

Exercises Complete the passage with the correct form of the words. 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. were used were cleaned be written was invented call, clean, develop, introduce, invent, produce, spread, use, write spread was developed are called introduction were produced

Around the world E-book As we can send mail by , we can read books by e-book now. E-books first appeared in the 1990s and have made great improvement in technology. Notes can ______(write) on the e-book, new books can ____easily ______(download) from the Internet, and it’s much easier and quicker to search for passages. What’s More, a lot of paper will ____(save). Nowadays, the most advanced e-book is about 620g, 18cm long, 12cm wide and 2cm thick( 表示计量的方法）. It looks like a real book. But the e-book is more expensive than paper books, so not many people can afford it. However, with the rapid progress of electronic technology, the e-book will become more convenient and cheaper. It is said that in the near future, there will be more e-books than paper books.

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 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. 如： give be given to 此类动词还有： pass show send… 再如： buybe 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。 be done 注 :1. 不及物动词（ vi.) 不用被动语态。如 :happen 、 take place 、 appear 、 disappear…