人教版九年级英语下册《nit 9 When was it invented.Section A》课件_35.ppt
《人教版九年级英语下册《nit 9 When was it invented.Section A》课件_35.ppt》由会员分享,可在线阅读,更多相关《人教版九年级英语下册《nit 9 When was it invented.Section A》课件_35.ppt(8页珍藏版)》请在三一文库上搜索。
1、一般过去时的被动语态 -The Passive Voice,一般过去时的被动语态 概念:被动语态表示主语是动作的承受者。在以下三种情况下,常用被动语态。 1) 强调动作的承受者,而不强调施动者。 2) 不必提及施动者。 3) 不知道施动者。 结构: was/were+动词的过去分词,一般过去时被动语态的三种句式结构: 肯定句: 主语+was/were+动词的过去分词+(by+ 动作执行者) 否定句: 主语+was/were+not+动词的过去分词+ (by+动作的执行者) 一般疑问句: Was/Were+主语+动词的过去分词+ (by+动作的执行者),I bought a computer l
2、ast term. A computer was bought (by me) last term.,eg. He invented the light. The light was invented by him.,eg. 1) Was the song composed by a soldier? 这首歌是由一名士兵创作的吗? 2) Such books were written for children. 以前这种书是儿童读物。 3) We were shown the machines they had turned out. 他们让我们参观了他们生产的机器。,Exercises: We built a library last year in our school. A library was built by us last year in our school.,Thanks for listening!,
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- nit 9 When was it invented. Section A 人教版九年级英语下册nit When was it invented. Section A课件_35 人教版 九年级 英语
链接地址:https://www.31doc.com/p-10856058.html