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

Unit 6 When was it invented? Grammar Focus-4c 1 the light bulb It was invented by Thomas Edison. Who was the light bulb invented by ? Look at the pictures and make sentences in the passive voice. The tree was planted five years ago. tree, plant, five years ago praise, mother, just now The boy was praised by his mother just now. books, carry, classroom, in the morning The books were carried into the classroom by the boy in the morning. flowers, water, yesterday The flowers were watered by the girl yesterday. 【例题】请判断下列结构是否为被动语态的谓语结构。 1. are done A. 是 B. 不是 【巩固】 2. were doing A. 是 B. 不是 3. is done A. 是 B. 不是 4. are doing A. 是 B. 不是 5. has studied A. 是 B. 不是 A B A B B 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. Grammar Focus What did you find out? 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. 主动语态和被动语态的概念和转换 主动语态：主语Alexander Graham Bell是动作invent 的执行者。 主动语态 被动语态 被动语态：主语The telephone是动作invent 的承受着。 Alexander Graham Bell invented the telephone in 1876. The telephone was invented (by Alexander Graham Bell) in 1876. 主动语态 被动语态 主(执行者) 谓 宾(承受者) ① ③ 主(承受者) 谓 by(执行者) ② T