人教版九年级unit9 被动语态.pptVIP

Unit 9 When was it invented? 安仁初中 娄丽花   was invented: 被发明 * * calculator invention 发明 可数名词 及物动词：invent 发明，创造，指事物从无到有。 （近义词 discover：发现，指事物从未知到已知。） 名词: inventor 发明者,发明家 应用：用invent和 discover的正确形式填空1 Edison the light.2 The secret by him. was discovered 被谁发明 介词by意为被、由、靠 invented 短语: be invented by sb eg The new machine was invented by us. 短语: be invented in /on+年/日 于何时被发明 eg 1 The computer was invented in 1976. 2 This kind of toy was invented onJanuary 1st ,1999. . 1a 1 2 3 4 5 1b Listen and match the inventions with the dates. a b e d c 1876 1885 1927 1971 1976 d a b e c T: What’s this called in English? S: It’s called a telephone. T: Is it an invention? T: When was the telephone invented? S: It was invented in 1876. T :Who was it invented by? S: It was invented by Bell.  S: Yes, it is. 1907 Wright T: What’s this called in English？ S: It’s called a TV. T: Is it an invention? S: Yes, it is. T: When was the TV invented? S: It was invented in 1927 T :Who was it invented by? S: It was invented by Baird. 1885 Karl.Bens 1976 Cray Erik 1905 Edison 1879 Joseph 1827 An Englishman 1880s Lu Ban’s wife 4000 years ago 结构: be (am /is/are/was/were)+动词的过去分词 语态:被动语态 (the Passive Voice)  英语根据其谓语动词与主语的关系分为两种语 态即主动语态(The Active Voice)和被动语态 (the Passive Voice).主动语态表示主语是动作 执行者,被动语态表示主语是动作的承受者。  am/are /is +动词的过去分词 ： 一般现在时的被动语态 was/were +动词的过去分词 ：一般过去时的被动语态 主动句与被动句之间的转换  We bought some books. 主语 谓语动词主动语态的过去式 宾语 Some books were bought ( by us )