Unit 6 Section A Grammar Focus-4c 课件 2023-2024学年人教版九年级英语全册

Unit 6 When was it invented? Grammar Focus-4c 1 学习目标 1.能掌握一般过去式的被动语态was/were +vt 的过去分词 2.能掌握几种特殊情况的被动语态 a.感官动词，使役动词的被动语态 b.含有双宾语动词的被动语态 C.短语动词的被动语态 d.主动表被动的几种情况。 invention “发明” The four great inventions of ancient China papermaking technology printing gunpowder compass Old inventions The new four great inventions of China online shopping high-speed railways mobile payment shared bikes New inventions A small invention potato chips What do you know about potato chips? Potato chips by many people. It that potato chips are more than 150 years old. Even today potato chips still by most people. They by accident in 1853. The inventor George Crum. One day, he to serve fried potatoes by a customer. When the potatoes came, the customer thought they too thick. The potatoes for a long time until they were crispy. Potato chips to be the most popular snacks. are loved ’s said are enjoyed were invented was called was asked were cut were cooked were considered Passive voice in the simple past tense 一般过去时中的被动语态 was/were done Sructure： 谓语构成 1.The telephone (invent) in1876. 2.Yesterday the rooms (clean) by Tom . was invented were cleaned When was the zipper invented? It ____ ________ __ 1893. Who was it invented by ? It ____ _______ ___Whitcomb Judson. When was tea brought to Korea? It _____ _______ to Korea during the 6th and 7th centuries. What is the hot ice-cream scoop used for? It___ ____ ___ serving really cold ice-cream. Active Voice: 主动语态 Passive Voice: 被动语态 Alexander Graham Bell invented the telephone in 1876. The telephone was invented by Alexander Graham Bell in 1876. was invented by was invented in was brought is used for 一般过去时的被动语态 English was taught by Mr. Wang. 【主动语态】主语是动作的发出者。 Mr. Wang taught En