高中英语被动语态专题复习

高中英语被动语态专题复习 教学内容：[来源:Zxxk.Com] 被动语态 被动语态专题复习 （一）被动语态的构成形式 1. 被动语态的基本时态变化 　　被动语态通常为十种时态的被动形式，被动语态由be＋过去分词构成，be随时态的变化而变化。以do为例，各种时态的被动语态形式为： 　　（1）am/is/are +done （过去分词） 一般现在时 例Visitors are requested not to touch the exhibits. （2）has /have been done 现在完成时 　　例All the preparations for the task have been completed, and we’re ready to start. 　　（3）am/is /are being done 现在进行时 　　例A new cinema is being built here. 　　（4）was/were done 一般过去时 　　例I was given ten minutes to decide whether I should reject the offer. 　　（5）had been done 过去完成时 　　例 By the end of last year, another new gymnasium had been completed in Beijing. 　　（6）was/were being done 过去进行时 　　例A meeting was being held when I was there. 　　（7）shall/will be done 一般将来时 　　例Hundreds of jobs will be lost if the factory closes. 　　（8）should/would be done 过去将来时 　　例The news would be sent to the soldier’s mother as soon as it arrived. 　　（9）shall/will have been done 将来完成时（少用） 　　例The project will have been completed before July. 　　（10）should/would have