九年级英语unit 9,when was it invented.ppt

Unit 9: When was it invented?;一般现在时态的被动语态：am / is / are + p.p 一般过去时态的被动语态：was / were + p.p 一般将来时态的被动语态：will be + p.p 现在完成时态的被动语态：have /has been + p.p 现在进行时态的被动语态：am/is/are being + p.p 过去完成时态的被动语态：had been + p.p 含有情态动词的被动语态：can/must be + p.p;light bulb;inventions;Look at the things. In what order (顺序) do you think they were invented?;Listen and match the inventions with the dates.;1. What was invented when the woman was young? [A] the car [B] computers [C] TV 2. When was the woman born? [A] before 1876 [B] before 1927 [C] after 1976 3. Which inventions has Alice learnt in school? a. cars b. telephone c. calculator d. TV e. computers [A] a, b, c [B] d, e [C] b, c, e;Put the things in 1a into right order.;A: What is this called in English?; ;;Four ancient inventions:;What are these inventions used for?;A: What is it called? B: It is called---;3;;Unit 9: When was it invented?;B: What are those? G: They’re battery-operated _______. B: What are they used for? G: They’re used for ________ in the _______. B: Oh, that’s cool! Who were they invented by? G: Julice. And look at this _______ ice cream _______. B: I know what ______ for! It’s used for scooping ______ really cold ice cream. G: Right. It was ________ by Chelsea.;B: My favorite are those shoes with _________ heels. You know – you can _______ the heels up and down. They were invented by Jayce and Jamie. G: And what are they used for? B: Well, you can change the _______ of your shoes. You can make the shoes go from ________ to dressy.;B: What are those? G: They’re battery-operated _______. B: What are they used for? G: They’re used for ________ in the _______. B: Oh, that’s cool! Who were they invented by? G: Julice. And look at this _______ ice cream _______. B: I know what ______ for! It’s used for scooping ______ really cold ice cream. G: Right. It was ________ by Chelsea.;B: My favorite are those shoes with _________ heels. You know – you can _______ the heels up and down. They were invented by Jayce and Jami