人广校区-初英-九年级-一般过去时的被动语态-许爽

专业 引领 共成长一般过去时的被动语态课堂引入把句子翻译成中文1. More money was needed for charity.2. The plane was also used as a training center.3. Also, local doctors and nurses were invited on board to learn about eye operations.4. 150 patients were operated on yesterday.知识梳理 一、被动语态的基本结构及基本形式。 二、被动语态的主要用法。 三、一般过去时的被动语态。Have a try（ 判断主动和被动）1.The lights were turned off by Tom.2. The boy made a model plane3.The TV was turned on. 4. We spoke English in our school.5.English was spoken by us in our school一：基本结构Passive (被动语态)： be + p. p (及物动词过去分词)When do we use the active voice and the passive voice?二. 基本用法1.主动语态:强调动作执行者2.被动语态：强调动作承受者 当动作执行者很明显时 不知道或不需要知道动作的执行者时 动作本身比动作的执行者更重要时 主动变被动的基本方法 1.主动宾变成被动主 2谓语变成be+过去分词 3主动主变成by宾（不需指出可省略）三：一般过去时被动语态结构： was/were +过去分词1. They bought a camera last term A camera was bought by them last term.2.We planted many trees last year.Many trees were planted by us last year.句式肯定句：主语be + 过去分词(by )否定句：主语be not 过去分词(by )一般疑问句：Be 主语过去分词(by )? Many trees were planted by us last year.Many trees were not planted by us last year.Were many trees planted by us last year?Yes , they were. / No, they werent.主动变被动练习： They built the house last year. He took good care of his sister yesterday. We cleaned our classroom just now. They used this room for resting.例题分析1. Li Lei gave Tom a new pen last week . （同义句） A new pen _ _ _ Tom last week . 2. People there planted many trees last year. Trees _ _by people there last year. (青岛市中考题）3. The letter _last week，and it didnt _yesterday. A. posted , arrive B. was posted , arrive C. posted , arrived D. was posted, arrived4. _ this building_(build)last year?师生总结 一、被动语态的基本结构及基本形式。 二、被动语态的主要用法。自主巩固 三、一般过去时的被动语态。用动词的被动语态填空:1.Was English once_(speak) by many people ?2.The trees _ (plant) by them yesterday.3.That building _(build) two years ago.4.Our classroom_ ( not clean