精选幻灯片-2014九年级Unit-6-when-was-it-invented课件Section-A1a-2c.ppt

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1、When was it invented?Section A peiond11What is/are used for?Its/Theyre used for21b Listen and match the inventions with the years.-1876-1927-1885-19763A A:When When waswas the _ the _ inventedinvented?B:I think it B:I think it was inventedwas invented in in _._.Pairwork(1c:)Pairwork(1c:)197618851876

2、192719714A A:What is the _ :What is the _ used for?used for?B B:It:It is used foris used for _._.talking with people(talk with people)5A A:What is the _ :What is the _ used for?used for?B B:It:It is used foris used for _._.(study)studying6Who Who werewere they they invented invented by?by?What What

3、are are they they used forused for?7What are they used for?They are used for giving light.light bulbslight bulbs8Who invented the car?_ invented the car.Karl Benz Karl BenzThe car_ _ by_.was invented him 1885When was it invented?was invented1971It_ _ in _.91876BellA:Who was the telephone invented by

4、?B:It was invented by_.A:When was it invented?B:I think it was invented in _.10alarm clock Its an annoying invention.Because it wakes me up when Im sleeping.11 I think computer is the most helpful invention.Because it helpsme search the information that I need.12 shoes with special heelshot ice crea

5、m scoopshoes with lights13ListeningListeningListen and number the inventions in the order that you hear.142a31215 Listen again and complete the chart below2binventionWhat is it/are they used for?shoes with special heels the style of shoes-shoes with lightsseeing _ hot ice-cream scoop_really cold ice

6、 cream162C Make conversationsA.What are they used for?B.They are used for.17Homework1819When was it invented?Section A peiond220A A:When When waswas the _ the _ inventedinvented?B:I think it B:I think it was inventedwas invented in in _._.Pairwork Pairwork 1976188518761927197121A A:What is the _ :Wh

7、at is the _ used for?used for?B B:It:It is used foris used for _._.talking with people(talk with people)222d Read and answer1.Who invented the zipper?2.When was the zipper invented?23Read and find out the passive voice sentences with the past form 1.The pioneers of different inventions were listed t

8、here.2.The zipper was invented by.3.It wasnt used widely.24Listen and repeat254a.Rewrite the sentences using the passive voice.The fridge was sold at a low priceMy camera was stolen from my hotel room1Where were these photos taken?We were advised not to go out alone.1.They sold the fridge at a low p

9、rice2.Somebody stole my camera from hotel room.3.Where did you take these photos?4.Our parents advised us not to go out alone.5.Differet writers translated the book into different languages.The book was translated into different languages by different writers 2627battery-operated slippersJulie Thomp

10、sonseeing in the darkWhat are they?Who were they invented by?What are they used for?28heated ice cream scoopChelsea Lanmonscooping cold ice creamWhat is it?Who was it invented by?What is it used for?29用用“invented”或或“used for”填空填空.1.What are electric slippers _?2.Who were shoes with adjustable heels

11、_ by?3.When was tea _?4.What are microwave ovens _?5.When were potato chips _?used forinventedused forinventedinvented30A:Look!This looks so interesting!B:Ah,its a great invention of China.A:Really?When _ it _?B:I think it _ _ in Han Dynasty.(汉朝汉朝)A:What _ it _ for?B:Guess!A:_ it _ for holding water

12、?B:No.It _ _ for testing earthquakes.A:Wow,its really amazing!wasinventedwas inventedisusedIsusedisused31abacusin the six centuryChinesecalculatingWhat telescopeWhen 1609Who GalileoUse watching stars32(The Passive Voice).主动语态与被动语态主动语态与被动语态:英语动词有两种语态英语动词有两种语态,即主动语态即主动语态(The Active(The Active Voice)Vo

13、ice)与被动语态(与被动语态(The Passive Voice)The Passive Voice)。主动语态表示主语是动作的执行者主动语态表示主语是动作的执行者;被动语态表示主语是动作的承受者。被动语态表示主语是动作的承受者。e.g.1.They make trains in Zhuzhou.Trains are made in Zhuzhou.2.The farmers grow cotton every year.Cotton is grown by the farmers every year.主动语态主动语态被动语态被动语态主动语态主动语态被动语态被动语态33e.g Many p

14、eople speak English.English is spokenby many people.主动语态变被动语态的步骤:主动语态变被动语态的步骤:1 1、主动语态的宾语变为被动语态的主语;、主动语态的宾语变为被动语态的主语;2 2、主动句的谓语动词变为被动结构;、主动句的谓语动词变为被动结构;3 3、主动句的主语变为被动句的宾语,由、主动句的主语变为被动句的宾语,由by by 引引出,当不强调动作的执行者时,常省略。出,当不强调动作的执行者时,常省略。4.4.其它成分不变。其它成分不变。34变被动语态时需要注意的事项变被动语态时需要注意的事项一变一变二套二套三注意三注意宾变主,宾变主

15、,主变宾,宾语前面主变宾,宾语前面byby跟,谓语动词变过分,不忘前跟,谓语动词变过分,不忘前面面bebe动词跟动词跟套时态,主被动时态一致套时态,主被动时态一致注意因人称的变化而引起的注意因人称的变化而引起的主谓一致问题。主谓一致问题。35各种时态的被动语态的构成:各种时态的被动语态的构成:1.一般现在时态一般现在时态 am,is,are+过去分词过去分词 2.一般过去时态一般过去时态 was,were+过去分词过去分词 3.一般将来时态一般将来时态 will/am.is.are going to +be+过去分词过去分词4.过去将来时态过去将来时态 would/was.were going

16、 to +be+过去分词过去分词 5.现在完成时态现在完成时态 have,has+been+过去分词过去分词 6.过去完成时态过去完成时态 had+been+过去分词过去分词 7.现在进行时态现在进行时态 am,is,are+being+过去分词过去分词 8.过去进行时态过去进行时态 was,were+being+过去分词过去分词 9.9.含情态动词的含情态动词的 情态动词情态动词 +be+过去分词过去分词36所有时态的被动语态否定就是在所有时态的被动语态否定就是在 最前面的助动词后加最前面的助动词后加 notnot疑问就是把疑问就是把最前面的助动词提前最前面的助动词提前。Many trees

17、 are not being planted nowAre many trees being planted now?37把下列的句子变为被动语态的句子:把下列的句子变为被动语态的句子:1、They speak English in Canada .2、People used wood for making tables.3、They are making computers in the USA.English is spoken in Canada(by them).Wood was used for making tables.Computers are being made in th

18、e USA.把被动句变否定把被动句变否定Computers arent being made in the USA.384、They have grown rice in South China.5.We must plant more trees next year.6.I am going to clean our classroom tomorrow.More trees must be planted next year.Our classroom is going to be cleaned tomorrow.Rice has been grown in South China.把被

19、动句变疑问把被动句变疑问.Has rice been grown in South China?39变被动语态的特殊情况变被动语态的特殊情况一、双宾语一、双宾语buy/make sb sth=buy/make sth for sbgive sb sth=give sth to sb1.My father bought me a computer.A computer was bought for me by my father.I was bought a computer by my father.2.He gives me a book.A book is given to me by h

20、im.I am given a book by himSth+be+过去分词过去分词+for/to sb+by sb.Sb+be+过去分词过去分词 sth +by sb40二、无二、无toto不定式不定式一感一感 二听二听三让三让 四看四看feellisten to.hearlet.have.makewatch.see.look at.notice变为被动时加上变为被动时加上toeg.We often see him play basketball.He is often seen to play basketball by us.The boss made the children work

21、 for long.The children were made to workwere made to work for long by the boss.41三、注意动词短语的三、注意动词短语的常考到的动词短语有常考到的动词短语有完整性完整性take care oflook afterlisten tospeak toeg.1.We should speak to the old politely.The old should be spoken tobe spoken to politely.2.The nurse takes good care of the baby.The baby

22、 is taken good care ofis taken good care of by the nurse.42四、无被动语态的动词。四、无被动语态的动词。不及物动词及系动词不及物动词及系动词happentake placedierisecome truecome outeg.1.An accident (happen)just now.happened 2.Im sure that my dream .(come true)some day in the futurewill come true43常用的被动语态短语常用的被动语态短语be made of from intobe used to do for doing as由由-制成的制成的看出原材料看出原材料看不出原材料看不出原材料原材料制成成品原材料制成成品be filled withbe covered witheg.1.Paper is made wood.from 2.Tables are made wood.3.Wood is made paper and tables.ofinto被用来-被用作被用作用-充满被-覆盖44

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