高中英语——被动语态（共20张PPT）

Grammar —Passive Voice 被动语态：英语的语态是通过动词形式的变化表现出来的。英语中 有两种语态：主动语态和被动语态。主动语态表示主语是动作的执 行者。被动语态表示主语是动作的承受者，即行为动作的对象。 Someone caught the boy smoking a cigarette. The boy was caught by someone smoking a cigarette. Lead-in Lead-in 1. Visitors____________(request) not to touch the exhibits(展览品). 2. I __________(give) ten minutes to read the book last weekend. 3. All the preparations for the task_______________(complete), and we're ready to start. 4. By the end of last year, another new gymnasium_________________ (complete) in Beijing. 5. A new cinema___________(build) here now. 6. A meeting______________(hold) when I was there. 7. Hundreds of jobs______________ (lose)if the factory closes. are requested was given have been completed had been completed is being built was being held will be lost 1) am/is/are done (过去分词) 一般现在时 2） has /have been done 现在完成时 3） am/is /are being done 现在进行时 4） was/were done 一般过去时 5） had been done 过去完成时 6） was/were being done 过去进行时 7） shall/will be done