(
课件网) Section A Grammar Focus-4c Unit 1 When was it invented 单击此处添加标题文本内容 情境导入 新课探究 课堂小结 感知一般现在时被动语态 We use chopsticks to pick up food. Chopsticks are used to pick up food. （主语we是use动作的执行者） 主动语态 （主语chopsticks是use动作的承受者） 被动语态 一般现在时被动语态的结构： be(am\is\are) +动词过去分词 一般现在时被动语态 结构: be(am\is\are) +动词过去分词 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 感知一般过去时的被动语态 When was the zipper invented It was invented in 1893. Who was it invented by It was invented by Whitcomb Judson. When was tea brought to Korea It was brought to Korea during the 6th and 7th centuries. What is the hot ice-cream scoop used for It's used for serving really cold ice-cream. Active Voice: Alexander Graham Bell invented the telephone in 1876. Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876. 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 肯定句 Lily played the piano yesterday. The piano was played by Lily yesterday. 肯定句构成： . 主语+was/were +v.过去分词（by sb.） 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 否定句构成： . 一般疑问句构成： . 特殊疑问句句构成： . 主语+was/were +not +v 过去分词（by sb.） 1.The door wasn’t locked by Tom yesterday. 2.—Was the book written by a famouse writer —Yes,it was./No, it wasn’t. 3.When was the car invented was/were +主语+v 过去分词（by sb.） 特殊疑问词+was/were +主语+v 过去分词（by sb.） 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 4a Rewrite the sentences using the passive voice. 1. They sold the fridge at a low price. The fridge was sold at a low price. 2. Somebody stole my camera from my hotel room. 3. Where did you take these photos My camera was stolen from my hotel room. Where were these photos taken sell-sold-sold at a low/high price 以低/高价 steal-stole-stolen 4. Our parents advised us not to go out alone. 情境导入 课堂小结 We were advised by our parents not to go out alone. 5. Different writers translated the book into differentlanguages. The book was translated into different languages by different writers. 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 were invited were brought was locked rang are told broke were eaten like 新课探究 情境导入 课堂小结 Active Voice Active Voice Passive Voice Active Voice Active Voice Passive Voice Active Voice Use active voice or passive voice Passive Voice 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 was invented was born worked learnt/learned was invented was said is used 新课探究 Language points 1、musical notes 音符 musical adj.有音乐天赋的 music n.音乐 musician n.音乐家 拓展 新课探究 I. 单选 1.As we know, printing _____ during the Sui and Tang Dynasties in China. A.invented B is invented C was invented 2.—Look , what an amazing Hongkong-Zhuhai-Macao Bridge! —Yeah. It _____ in 2018. A. completed B. was completed C. is completed D. has completed 3.Look at the flowe ... ...
