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1、Unit 91a1aGUESSING GAME: S1: I think the calculator was invented before the computer.S2: Well, I think the calculator was invented after the computer.S3: I think the TV was invented before the computer.1a1a524311b1babedc18761885192719711976dabec1c1cA: When was the telephone invented ?B: I think it w

2、as invented in 1876.2a2aListen and number the inventions inthe order that you hear.3122b Listen again. Match the inventions with their inventors and uses.Inventionshoes with adjustable heelsbattery-operated slippersheated ice cream scoopWho was it/ were they invented by?Chelsea LanmonJayce Coziar an

3、d Jamie EllsworthJulie ThompsonWhat is it/ are they used for?scooping really cold ice creamseeing in the darkchanging the style of the shoesThe passive voice.被動語態(tài)的被動語態(tài)的:be動詞動詞+ (及物及物動詞的動詞的) 過去分詞過去分詞 一般現(xiàn)在時一般現(xiàn)在時一般過去時一般過去時am (is, are) + donewas (were) + done 2.forms:e. g The telephone was invented in 1

4、876. _. (negative form)_?(general question)_?(special question)_The telephone was not invented in 1876Was the telephone invented in 1876When was the telephone inventedUSAGE OF THE PASSIVE VOICE (PAST TENSE) It is often used with past time . yesterday, last week, last year, in 1987 etc.e, g My bicycl

5、e was lent to Tom last week.Guessing: What is it?Microwave ovenIt is used for cooking and heating food(加熱加熱)What is it used for?It is used for counting.calculatorWho was (telephone) invented by?It was invented by Bell.Henry FordEdisonBellTsai LunWright brothersfisherinventorsinventionsPapermakingPlane Washing machineLight bulbCar Telephone HOMEWORK: Fill in the blanks with the correct forms of the verbs The pen _(buy) yesterday by my mother. The TV _ (invent) in 1927. -_ the novel _ by Luxun?(write) -Yes, it was. These cars _(make) last year. My pen _ (not lose) last week.