Unit 6 Section A Grammar Focus-4c 课件2023-2024学年人教版英语九年级全册

Section A Grammar Focus-4c When was it invented? Unit 6 感谢您下载平台上提供的PPT作品，为了您和以及原创作者的利益，请勿复制、传播、销售，否则将承担法律责任！将对作品进行维权，按照传播下载次数进行十倍的索取赔偿！ ibaotu.com Studying Aims(学习目标): 1.Learn the structure of the past tense with passive voice. （一般过去时中被动语态的谓语构成是什么） 2. Learn to translate passive voice sentences. （被动语态的句式如何翻译） 3.Try to change active voice into passive voice. （如何将主动语态转化成被动语态） 4.Introduce inventions by using the passive voice. （用被动语态介绍发明物） 感谢您下载平台上提供的PPT作品，为了您和以及原创作者的利益，请勿复制、传播、销售，否则将承担法律责任！将对作品进行维权，按照传播下载次数进行十倍的索取赔偿！ ibaotu.com Grammar Focus 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. 感谢您下载平台上提供的PPT作品，为了您和以及原创作者的利益，请勿复制、传播、销售，否则将承担法律责任！将对作品进行维权，按照传播下载次数进行十倍的索取赔偿！ ibaotu.com 语法重点：被动语态 (Passive Voice) be+动词过去分词 am / are / is +动词的过去分词 was / were +动词的过去分词 一般现在时的被动语态: 一般过去时的被动语态: 肯定句 否定句 疑问句 结构: 主语+was/were+及物动词的过去分词（ + by…） 主语+was/were + not+及物动词的过去分词（+ by…) Was/Were+主语+及物动词的过去分词（+by …)? 特殊疑问词+was/were+主语+及物动词的过去分词（+by...)? 例句翻译与句型转变： ①电脑是在1971年被John von Neumann发明出来的。 ②电话是在1885年发明出来的。 ③茶是被意外发明出来的。 感谢您下载平台上提供的PPT作品，为了您和以及原创作者的利益，请勿复制、传播、销售，否则将承担法律责任！将对作品进行维权，按照传播下载次数进行十倍的索取赔偿！ ibaotu.com We bought some books. 主动句与被动句之间的转换 Some books were bought (by us ). 主语 谓语动词主动语态的过去式 宾语 主语 谓语动词被动语态的过去分词 介词+ 宾语 Practice: Many people speak English. (主动语态) The boy broke the window yesterday. (主动语态) I bought a book yesterday.(主动语态) Bell invented the telephone.(主动语态) The students clean the classroom every day.(主动语态) 主动句变为被动句4步骤： 1. 主句宾变被句主 2. 主句谓语变被动(be+过去分词) 【人称和数随主语的变化，动词的时