Unit 2 Using language 过去完成时的被动语态学案-2022-2023学年高中英语外研版（2019）选择性必修第二册

过去完成时的被动语态 Past perfect passive voice 课文回顾 1．At the start of the detox，over 100 students __________ (persuade) to stop using social media，in ANY form，for seven days. 2．They __________ (promise) money by family and friends for each day spent without using social media. 3．But on reflection，I can see how much of my time __________ (occupy) with checking my phone. 参考答案：had been persuaded ；had been promised； had been occupied 1. 结构：had been done（及物动词） 肯定句：主语+had been +done+其他 否定句：主语+had not been +done+其他 一般疑问句：Had+主语+been+done+其他？ 特殊疑问句：疑问词+had+主语+been+done+其他？ The classroom had been cleaned before the teacher came. The classroom had not been cleaned before the teacher came. Had the room been cleaned before the teacher came? How many rooms had been cleaned before the teacher came? 2．用法 ①在过去某一时间之前已经完成的动作，即某事已经被做。句中常有by, before，until,for/since等词。 By the end of the exhibition，nearly all the paintings had been sold out. The man had been trapped in the mountains for two days before the rescuer arrived. ②在 told，said，knew，heard，thought，reported等动词之后的宾语从句中。 The moderator reported a huge amount of money had been raised in the campaign. The boy was reminded that his homework had not been handed in. ③根据上下文语意能判断动作先后的被动语态 We had to leave his house because it had been flooded. 5,000 English words had been learnt when he entered the university at the age of 15. ④在条件状语从句中，表示与过去事实相反的假设时，从句要用过去完成时。 If the preparation had been made better,I would have got a high score. 3.限时训练： 1. By the time we arrived there, all the tickets____________(sell) out. 2. The forest____________(destroy) just before the law was passed. 3. The bridge____________(damage) several times by the enemy before it was finally built. 4. It was reported that the sale ____________(advertise) for several days. 5. If the new safety system_____________(put) to use,the accident would never have happened. 6. It was the third time that I _____(catch)reading fiction novel on class. 7. It was the first time she _________(allow) t