被动语态-课件（PPT-精）.ppt

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * 被动语态 被动语态 The Passive Voice Teaching aims： 了解被动的语态的相关知识，并能够熟练解决被动语态的相关问题。 Main and difficult points： 熟练运用各种时态的被动语态。 1. 英语中有那两种语态？ 回答下列问题： 主动语态和被动语态。 2.主动语态表示什么？ 主动语态表示主语是动作的执行者。 3.被动语态表示什么? 被动语态表示主语是动作的承受者。 例如：Many people speak English. (主动语态) English is spoken by many people. (被动语态) 被动语态的用法 1.当我们不知道动作的执行者时。如： Look! There’s nothing here. Everything has been taken away. 2.当我们没必要提出动作的执行者时。如： The 16th Asian Games will be held in Guangzhou. 3.当我们强调或侧重动作的承受者时。如: This bridge was designed by her father in 2003. 被动语态的构成 助动词be＋及物动词的过去分词 （人称、数和时态的变化是通过 be 的变化表现出来的。） 一般现在时： 一般过去时： 一般将来时： 过去将来时： 现在进行时： 过去进行时： 现在完成时： 过去完成时： 常用的八种时态的被动语态的构成 is/am/are + done was/were + done will/shall?be + done would/should be + done is/am/are?being + done was/were being + done have/has?been + done had been + done 一般现在时： 一般过去时： 一般将来时： 过去将来时： 现在进行时： 过去进行时： 现在完成时： 过去完成时： 常用的八种时态的构成 do/does did will/shall + do would/should + do is/am/are + doing was/were + doing have/has + done had + done 构成： 情态动词＋be＋过去分词 can/may/should/must be done 含有情态动词的被动语态 主动语态转化为被动语态的三部曲: 1.主动结构宾语变为被动结构主语。 2.谓语动词变为被动语态。 3.主动结构主语变为介词by的宾语,组 成介词短语,放在被动结构中谓语动 词之后。在动词执行者无须说明或强 调时，by短语可以省略。 步骤： He repaired the bike. The bike was repaired by him. 变被动语态步骤 We?can?repair?this?watch?in?two?days. 2) All the people laughed at him. 3) They make the bikes in the factory. 4) The children will sing an English song. This?watch?can?be?repaired?by us in?two?days. He?was?laughed?at?by?all?the people. An English song will be sung by the children. The bikes are made by them in the factory. 把下列主动语态句子改写成被动语态句子: Test yourself 5) I have given this book to the library. 6) The lady is watering the flowers. 7) People use metal for making machines. 8) He made