新教材九年级英语第六单元课件.ppt

When was it invent ed ? Unit 6 Unit 6 Section A 1a-2c ( The Passive Voice) .主动语态与被动语态: 英语动词有两种语态,即主动语态(The Active Voice) 与被动语态( The Passive Voice) 。主动语态表示主语是动作的执行者; 被动语态表示主语是动作的承受者。 . make trains in Zhuzhou . Trains are made in Zhuzhou. farmers grow cotton every year. Cotton is grown by the farmers every year. 主动语态被动语态主动语态被动语态主动语态变被动语态的步骤: 1、主动语态的宾语变为被动语态的主语; 2、主动句的谓语动词变为被动结构; 3、主动句的主语变为被动句的宾语,由 by 引出,当不强调动作的执行者时,常省略。 。主动语态变被动语态规则宾语提前变主语, 原主变宾 by 后见, 记住时态不要变, 还有人称 be 关键。? They play football on Sunday. ? Lucy does the homework in the evening. ? We make these machines in Beijing. Football is played by them on Sunday. The homework is done by Lucy in the evening. These machines are made in Beijing. 2). The key sentences: When was the car invent ed ? It was invent ed in 1885 . What are they used for ? They are used for giving light . 3 ). Language goal : Talk about the inventions. Let Ss learn about what they are used for. 1). New phrases: be invented be used for the style of the shoes What are the Four Great Inventions in ancient China? Do you know? paper-making pass 指南针 printing 印刷术 gunpowder *** paper making paper Cai Lun invented the paper making in 105 . invented the paper making in 105 . Cai Lun The paper making by invention invent invent or Cai Lun in 105 was invented When were they invented ? They were invented in1879. light bulbs light bulbs 1879