初三英语被动语态解析.pptVIP

英语动词有两种语态：主动语态和被动语态。 1.当我们不知道谁是动作的执行者, 2. 或者只需强调动作的承受者时，要用被动语态。 时态： 1. 一般现在时： 2.一般过去时： 3.一般将来时： 4.情态动词的被动语态： 典型题例例1 将下列句子改为被动语态。 We clean our classroom every day. Our classroom is cleaned (by us) every day. 在改写中应注意： 1.把原来的宾语提到前面作被动语态的主语; 2.把动词变成“be + 过去分词”; 3.主动语态中的主语变为介词by的宾语。 知　识　拓 展 思考1：将下列的主动句变为被动语态： 10．We gave him some books. →He . →Some books . 小 结 5： 带有双宾语（宾语既有人又有物）的被动结构是: （1）将间接宾语(人)变为主语，直接宾语(物)不变。 （2）将直接宾语(物)变为主语，一般要在间接宾语前加介词to或for. 思 考 2： 12．I usually hear her sing English songs in the morning. She in the morning. 14．He makes her horse work all day. Her horse all day. 15. My father let me go out for a picnic. I out for a picnic. 小 结 6： 一些特殊结构的被动结构: （1）感觉动词(hear, see等)改被动语态 （2）使役动词(let, make等)改被动语态 知 识 运 用 二、请把下面句子改为被动语态 1. They showed Jack carefully how to use it. →Jack carefully how to use it. 2. Beijing will hold the 29th Olympic Games in 2008. →The 29th Olympic Games in 2008. 3. Miss Deng teaches us English. → . → . 4. They saw the boy playing basketball at 3:00 yesterday. →The boy _________________ at 3:00 yesterday. 5. We should make our country become more and more beautiful. → Our country more and more beautiful. 堂 上 小 测 Homework 复习本课所学知识； 归纳要点，做好复习笔记； 完成的本单元的练习。 * 被动语态复习课 被动语态结构： ■ ■ ■ be + 过去分词(PP) + (by …) am/is/are + pp was (were) + pp will (shall) /be going to + be + pp must (can, may等) + be +