山东省青岛市城阳区第七中学九年级英语全册 Unit 9 When was it invented课件 人教新目标版.ppt

1、Unit 9Unit 9When When was it inventedwas it invented?读读译译，看看你会发现什么？*Teenagers should be allowed to choose their own clothes.*Im allowed to go shopping with my friends.*Your donation is greatly appreciated and the money is well used to help disabled people like me.*The movie will be put off until nex

2、t month.*Hold on to your dreams,one day they will be achieved.*After the earthquake,a lot of money was given away to charities.*The dog has been trained to understand different instructions.be+done 被动语态的基本结构:有各种时态的变化时态构成一般现在时am/is/aredone一般过去时was/weredone现在进行时am/is/are+being+done一般将来时will/shall/be g

3、oing tobedone现在完成时has/havebeendone含情态动词can/must/should/may.bedone1.被动语态的构成 英语动词有两种语态：主动语态(the Active Voice)被动语态(the Passive Voice)A.主动语态表示主语是动作的执行者。B.被动语态表示主语是动作的承受者。We planted the tree.The tree was planted by us.We speak English.主语谓语宾语English is spokenbyus.主语谓语宾语主动语态被动语态They cleaned the classroom y

4、esterday.昨天他们打扫了教室。The classroom was cleaned by them yesterday.昨天教室被他们打扫了。1.Now English _ by more and more people all over the word.A.speaks B.is spoken C.was spoken一般现在时的被动语态：am/is/are+done2.The lost boy _ at the street corner last night.A.was found B.is found C.was looked for一般过去时的被动语态：was/were+do

5、ne3.More man-made satellites _ in the future.A.will send up B.will be sent up C.are sent up一般将来时的被动语态：will+be+donebe going to+be+done4.Three bridges _ since last year.A.have built B.were built C.have been built现在完成时的被动语态：have/has+been+done5.Flowers _ every day.A.has been watered B.should be watered

6、C.should water含有情态动词的被动语态：情态动词+be+done1.Thomas Edison invented the light bulb.2.The boy didnt throw the stone just now.3.Mr Bush took some photos in Paris.4.I cant repair the broken kite.The light bulb was invented by Thomas Edison.The stone wasnt thrown by the boy just now.Some photos were taken by

7、 Mr Bush in Paris.The broken kite cant be repaired by me.Period 1Section AFour ancient(远古的,旧的)inventionscompassgun powderprintingpaperabacuscarWhats this called in English?televisiontelephonecomputercalculatorumbrellaalarm clockcameramicrowave ovens abacusesbinocularslight bulbsbatterybatteriesWhat

8、are these called in English?Look at the things.In what order(顺序)do you think they were invented?A:I think the calculator was invented before the computer.B:Well,I think the calculator was invented after the computer.1aA:I think was invented before B:Well,I think was inventedafter.The car was invente

9、d before the television.A:I think was invented before B:Well,I think was inventedafter.The telephone was invented before the computer.A:I think was invented before B:Well,I think was inventedafter The camera was invented before the calculator.The calculator was invented after the camera.Listen and m

10、atch the Listen and match the inventions with the dates.inventions with the dates.abedc1876_1885_1927_1971_1976_dabec1bA:A:When When waswas the _ the _ inventedinvented?B:I think it B:I think it was inventedwas invented in in _._.197618851876192719711c3122aListen and number the inventions inthe orde

11、r that you hear.InventionWho was it/were they invented byWhat is it/are they used for?shoes with adjustable heelsChelsea Lanmonscooping really cold ice creambattery-operated slippersJayce Coziar and Jamie Ellsworthseeing in the darkheated ice cream scoopJulie Thompsonchanging the style of the shoes

12、A:What is it/are they called in English?B:It is/They are called A:Who was it/were they invented by?B:It was/They were invented by A:What is it/are they used for?B:It is/They are used forGrammar FocusGrammar Focus1.小汽车是什么时候发明的？它是1885年发明的。2.电控拖鞋是什么时候发明的？他们是去年发明的。3.他们是谁发明的？他们是由朱莉.汤普森发明的。4.他们是用来干什么的？他们被

13、用来在黑暗中看清东西。When _the car _?It _ _in 1885.When _ electric slippers _?They _ _ last year._ were they invented _?They were invented _Thompson._ _ they _ _?They are used for seeing in the dark.wasinvented?inventedwaswereinventedwereinventedWhobybywhatareusedfor英汉互译。英汉互译。1.造纸术是什么时候发明的？2.造纸术是谁发明的？4.纸是用来做什

14、么的？它是用来写字的。When was the paper making invented?What was the paper used for?2.纸是蔡伦发明的。Paper was invented by Cailun.3.纸是中国发明的。Paper was invented in China.It was used for writing.Who was the paper making invented by?The passive voice.被动语态主动语态变被动语态的结构图:Bell invented the telephone in 1876.The telephone wa

15、s invented by Bell in 1876.主语谓语动词过去时宾语时间状语主语谓语动词的过去分词宾语时间状语When was the car invented?It was invented in 1885.When were electric slippers invented?They were invented last year.Who were they invented by?They were invented by Julie Thompson.What are they used for?Theyre used forseeing in the dark.Sampl

16、e dialogues:A:What is this?B:It is a heated ice cream scoop.A:What is it used for?B:It is used for scooping really cold ice cream.A:Who was it invented by?B:It was invented by Chelsea Lanmon.AA:When was it invented?:When was it invented?AA:I dont agree.I think it:I dont agree.I think it was invented

17、was invented in 1885 and it in 1885 and it was inventedwas invented after the after the telephone.telephone.B:I think it was invented in 1873,so it was invented before the telephone.The passive voice.被动语态英语中动词有主动语态和被动语态两种语态.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,在被动语态中动作的执行者有时用by短语表示出来.被动语态的构成:助动词be+(及物动词的

18、)过去分词一般现在时一般过去时am (is,are)+donewas(were)+doneThe passive voice.被动语态被动语态的用法:1.不知动作执行者时,常用被动语态.eg.My bike was stolen yesterday.This car is made in American.2.不必要说出动作执行者时,常用.eg.Rome was not built in a day.3.为了突出强调动作的承受者时,常用被动语态.eg.Thousands of beaches are polluted(污染).The passive voice.被动语态主动语态变为被动语态的步骤:1.把原主动句中的宾语转换为被动语态的主语.2.把动词改为被动形式,即“be+过去分词”.注意 be动词要按新的主语的人称和数进行变化,时态要和原来的主动语态的时态保持一致.3.原来主动语态句中的主语,如果需要,就放在by后面以它的宾格形式出现.如果没有必要就可以省略.其他的成分(定语,状语)不变,句式也不能变.