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1、When was it invented?When was it invented?Unit 9Unit 9the first periodTalk about the history of inventions.The passive voice.Grammar Focus:Language Goals:爱爱迪迪生生(Thomas Alva Edison，1847-1931)他他一一生生中中的的发发明明超超过过二二千千多多种种,被被誉誉为为世世界界上上最最伟伟大大的的发发明明家家。一一生生中中最最大大的的贡贡献献，就就是是发发明明了了电电灯灯。light bulblight bulb(电灯泡
2、电灯泡)Without it we cant see clearly in the dark.Thomas Edison is a great inventor.The light bulb was invented by him.Lead ina great inventionSo you must know him-Thomas Edision.Karl Benz invented the car._ was invented by _.The carKarl BenzWho invented the car?Bell invented the telephone._ was invent
3、ed by _.The telephoneBellKarl BenzBellEdisonWho was the_invented by?It was invented by _.carKarl BenzAsk and answerWho was the TV invented by?_ was invented by _.The TVBaird Who was the caculator invited by?_ was invented by _.The caculatorSimckleycalculatorA:I think the calculator was invented befo
4、re the computer.B:Well,I think the calculator was invented after the computer.Groupwork1a12345When are they invented?1bListen and match the inventions Listen and match the inventions with the dates.with the dates.abedc18761885192719711976dabecAlice:Life must have been difficult when you were a kid.W
5、oman:Oh,not really.Why do you say that?Alice:Well,you didnt have many modern inventions.Like,you probably didnt have a telephone,right?Woman:Of course we did!How old do you think I am?The telephone was invented in 1876.Alice:How about cars?I bet cars werent invented yet.Woman:Sure they were.Cars wer
6、e invented in 1885.My family had a car.I think you need to take a history class,Alice.Alice:Ha,ha!Well,did you have a TV?Woman:No,we didnt.The TV was invented around 1927,I think.Some friends of mine had one.But in those days,TVs were really expensive,and we couldnt afford one.Alice:And I bet you di
7、dnt have calculators and computers and stuff.Thats something I do know.We learned in school that hand-held calculators were invented in 1971 and personal computers were invented in 1976.Woman:Youre right.I didnt have those things when I was young.But I do now!_When was/were.invented?A:When was the t
8、elephone invented?B:I think it was invented in 1876.A:When was the car invented?B:I think it was invented in 1885.18761885192719711976PAIRWORK196119031885190319031814What do you think of these inventions?Are they useful?calculatorWhat is it used for?It is used for counting.calculatorWhat are they us
9、ed for?They are used for giving light.light bulbslight bulbsbattery-operated slippersheated ice cream scoopshoes with adjustable heels电池供电的拖鞋电池供电的拖鞋加热的冰激凌勺加热的冰激凌勺可调节可调节后跟的鞋后跟的鞋high heelsscoopIt is used for scooping really cold ice cream.They are used for seeing in the dark.They are used for changing
10、 the style of shoes.slippersbattery2aListen and number the inventions in the order that you hear them.312可调整鞋跟高低的鞋可调整鞋跟高低的鞋电池供电的拖鞋电池供电的拖鞋冰淇淋加热勺冰淇淋加热勺2b Listen again.Match the inventions with their inventors and uses.Inventionshoes with adjustable heelsbattery-operated slippersheated ice cream scoopW
11、ho was it/were they invented by?Chelsea LanmonJayce Coziar and Jamie EllsworthJulie ThompsonWhat is it/are they used for?scooping really cold ice creamseeing in the darkchanging the style of the shoesA A:What is the What is the _ used used for?for?B B:ItIt is used foris used for _._.battery-operated
12、 slippersheated ice creamscoopshoes with adjustable heelsseeing in the darkscooping really cold ice creamchanging the style of the shoesbattery-operatedslippersheated ice cream scoopshoes with adjustable heelsBoy:What are those?Girl:Theyre battery-operated slippers.Boy:What are they used for?Girl:Th
13、eyre used for seeing in the park.Boy:Oh,thats cool!Who were they invented by?Girl:Julie Thompson.And look at this heated ice cream scoop.Boy:I know what its for!Its used for scooping out really cold ice cream.Girl:Right.It was invented by Chelsea Lanmon.Boy:My favorite are those shoes with adjustabl
14、e heels.You knowyou can move the heels up and down.They were invented by Jayce Coziar and Jamie Ellsworth.Girl:And what are they used for?Boy:Well,you can change the style of your shoes.You can make the shoes go from casual to dressy._语言结构：语言结构：When was the car invented?It was invented in 1885.Who w
15、as it/were they invented by?It was/They were invented by What is it/are they used for?Its/Theyre used for The passive voice.构成构成:be动词动词+(及物及物动词的动词的)过去分词过去分词 一般现在时一般现在时一般过去时一般过去时am (is,are)+donewas(were)+done主语是动作的承受者主语是动作的承受者.被动语态的句子的时态、被动语态的句子的时态、人称变化反映在人称变化反映在bebe动词上。动词上。被动语态被动语态:动词动词填空：填空：1.The T
16、V _(invent)around 1927.2.They are used for _(see)in the park.3.This kite _(make)by Uncle Wang.4.Tea _(discover)a long time ago.5.Our classroom _ 6.(should clean)every day.was inventedseeingwas madewas discoveredshould be cleaned含有情态动词的被动语态：情态动词含有情态动词的被动语态：情态动词be 过去分词过去分词 各种句型的被动形式各种句型的被动形式肯定句肯定句 主语主
17、语 +be be+过去分词过去分词 +（by by）否定句否定句 主语主语+be notbe not+过去分词过去分词 +（by by）一般疑问句一般疑问句 BeBe+主语主语+过去分词过去分词 +(by+(by)?)?特殊疑问句特殊疑问句 疑问词疑问词 +bebe+主语主语 +过去分词过去分词 +（by by）？）？注意：注意：这里这里 be 的形式决定了被动语态的的形式决定了被动语态的时态，其后的过去分词没有变化。时态，其后的过去分词没有变化。be used for 被动语态被动语态,“被用来做被用来做”。介词。介词 for 表目的用途表目的用途,可接名词或动名词形式。可接名词或动名词形式
18、。e.g.The woolen sweater is used for keeping warm.毛衣是用来保暖的。毛衣是用来保暖的。Explanation:根据汉语提示完成英语句子，每空一词。根据汉语提示完成英语句子，每空一词。(1)伞是用来遮雨的。伞是用来遮雨的。The umbrella is used _ _ yourself from rain.(2)我习惯于吃比萨。我习惯于吃比萨。I _ _ _ _ pizza.(3)我过去常常在放学后跳舞。我过去常常在放学后跳舞。I _ _ _ after school.for keepingam used to eatingused to dan
19、ce(1)was invented 是被动语态。是被动语态。(2)invent 做动词做动词,意为意为“发明发明,创创造造”,其名词有两种形式其名词有两种形式:一种为一种为inventor“发明者发明者”;一种为一种为 invention“发明发明,创造创造”例如例如:Edison was a great inventor,he invented more than 1,000 inventions in his life.I think the telephone was invented before the car.根据句意根据句意,用介词用介词as,by完成下面句子。完成下面句子。(1
20、)English is used _ the second language in many countries.(2)These textbooks are used _ students.asbyHomework1.翻译下列句子翻译下列句子1）可调节鞋跟的拖鞋是谁发明的？）可调节鞋跟的拖鞋是谁发明的？2）笔是用来写字的。）笔是用来写字的。3）电脑是何时发明的？）电脑是何时发明的？4）纸是中国）纸是中国 人发明的。人发明的。2.Recite 2a1.翻译下列句子翻译下列句子1）可调节鞋跟的拖鞋是谁发明的？）可调节鞋跟的拖鞋是谁发明的？Who was the shoes with adjustable heels invented by?2）笔是用来写字的。）笔是用来写字的。Pens are used for writing.3）电脑是何时发明的？）电脑是何时发明的？When were computers invented?4）纸是中国）纸是中国 人发明的。人发明的。Paper was invented by Chinese.