Unit7 Grammar 被动语态课件 2022-2023学年牛津译林版八年级英语下册

Unit 7 International charities Passive voice in the simple present and past tenses Grammar 学习内容： 1.概念 2.基本结构 3.什么时候使用被动语态 4.常用时态形式 5.主动语态变被动语态的方法 6.注意事项 被动语态的 一般现在时&一般过去时&一般将来时 语态是动词的一种形式，表示的是主语和谓语之间的关系。英语中的语态有两种：主动语态和被动语态。 当主语是谓语的执行者时，用主动语态。 当主语是谓语的承受者时，用被动语态。 如：We clean the classroom every day. 我们每天都打扫教室。 The classroom is cleaned (by us) every day. 教室每天都被(我们)打扫。 基本结构：be+ 及物动词过去分词 The cake was eaten by Daniel. 2. Nancy bought a book yesterday. 3. The little dog is looked after very well by Simon. 4. He is reading English. 5. The computer is bought by my uncle. 6. I am woken up by my father every morning. Underline the passive voice in the following sentences. 5 什么时候使用被动语态 (1)不知道或没有必要说明动作的执行者是谁。 Some windows were broken last night. This book was sold out yesterday. (2)强调动作的承受者，而不强调动作的执行者。 The book are sold in many countries. Rice is first grown in China. Mr Wu is liked by all of his students. 所有的学生都喜欢吴老师。 注意：在被动语态的句子中, 如果我们需要指出动作的执行者, 可以由by引出。 常用时态形式 1.一般现在时 am/is/are+及物动词的过去分词 （过去分词缩写成：P.P.） 2.一般过去时 was/were + P.P. 3.一般将来时 will /shall be + P.P. am/is/are going to be + P.P. 8 1. Today English _______ all over China. A. teach B. teaches C. is taught D. are taught 2. The meeting _______ two weeks ago. A. hold B. was held C. were held D. is held 3. The thief ________ by the police last night. A. caught B. is caught C. was caught D. were caught 4. The photos _______ when I was young. A. were taken B. was taken C. are taken D. is taken 5. Millie is my best friend. I ___ often ____ to her party. A. is invited B. am invited C. are invited D. was invited 6. Last year Beijing ____ by a big sandstorm. A. is hit B. were hit C. will be hit D. was hit 主动语态和被动语态的句式转换 主动语态 主语 She 谓语(主动式) hurt 宾语 me. 被动语态 原宾语(改为主格) I 谓语(被动式) was hurt by 原主语(改为