江苏海门市正余初级中学九年级英语全册《Unit 9 When was it invented》单元课件 人教新目标版.ppt

Period 1 Section A 1a-2c Grammar Focus (P69) The passive voice 被动语态 在被动语态的句子中, 谓语部分的结构是be + 过去分词。被动语态的句子的时态、人称变化反映在be动词上。 一般现在时 am / is / are ＋ 过去分词一般过去时 was / were ＋ 过去分词 含有情态动词的被动语态： 情态动词＋be ＋过去分词 1b: Write the name of different foods after each word. sweet __________ banana crispy__________ salty __________ sour __________ Self Check Fill in each blank with the correct word given. crispy sweet salty sour 1. I don’t like eating chocolate. The taste is too . 2. Mom added salt but it still wasn’t enough. 3. I prefer lemons to oranges. I like the taste. 4. She likes cookies. They are hard, dry and easily broken. sweet salty sour crispy 2a.Listen and circle “T” (for true) or “F” (for false). The potato chips were invented by mistake. They were invented in 1863. The customer thought the potatoes weren’t thin enough. The customer said they weren’t salty enough. George wanted to make the customer happy. The customer was happy in the end. T F T F T F T F T F T F 2b:The history of chips that potato chips were invented by mistake? Chips by a chef called George Crum. They were invented in .George Crum cooked them for a long time until they . And he sprinkled lots of salt on them so they were . Did you know were invented 1853 were crispy really salty 2c: Pairwork: Role play the conversation about the invention of the potato chips. Use the information from the activities above. A: Did you know potato chips were invented by mistake? B: Wow, I didn’t know that. Who invented them? A:… Boy1:Hey,did you know that _____________________________________? Boy 2: Really? What do you mean? Boy 1: Well, here on the bag it says that they were invented _________________ George Crum. Boy 2: When was tha