下面句子为什么用的是被动语态was finished而不是过去完成时had been finishedWe are happy to learn that the difficult work was finished through everyone's effort yesterday.

下面句子为什么用的是被动语态was finished而不是过去完成时had been finishedWe are happy to learn that the difficult work was finished through everyone's effort yesterday. 英语翻译要求：用被动语态,“变化”是句子的主语 He was seated是被动语态吗?为什么用was?用is不行吗? who invented it是被动语态还是主动语态如果是被动语态,那为什么不要加was呢, when was the PLA founded译文PLA是“中国人民解放军”的意思,为什么要用被动语态? 为什么 用 被动语态 请问一下被动语态怎么用?当整个句子是一般现在时的时候,被动语态又怎么用? was+过去式Was+done是被动态吧,为什么下面的句子是Was+过去式的呢?The original program was destroyed. 被动语态在句子中充当的成分、以及补语、看下面的句子eg：Hill was declared the winnerof the fight.was declared 充当什么成分winner为什么是主语补语the fight是宾语吗 This was built out into the sea.这是个被动语态的句子,可build是及物动词啊,为什么后面还跟out?谢 把下面这些句子变被动语态 英语习题:被动语态与主动语态将下列是主动语态的句子变成被动语态,是被动语态的句子变成主动语态.1:Liu Xiang was helped by a special programme.2:It was set up in 2001 to help young sportsmen and sportswomen3:Liu' The cup is broken,是被动语态,为什么要用IS而不用was Mary was dressed in blue while Jane was dressed in red.为什么用的被动语态was dressed The water was frozen 后面能跟by+天气么?被动语态 知道by +人物 的多,这个句子,后面能加 天气 么 这个句子可以 看做是 系表结构，也可以是 被动语态。这里用 被动语态的用法。呵呵 关于被动语态(在线等)I make him do his work.将上面的句子改成被动语态,我下面改的两句哪一句是正确的?为什么,His work is made to do by him by me.His work is made him to do by me.我记得可以用his work做主语的 she was glad to see her chirldren well taked care of in the nursery孩子是被照顾的 为什么用被动语态时taked care of前面没有BE 动词 那什么时候可以省略被动语态的BE She was seen a story book yesterday.这句话改成主动语态怎么改?我觉得这句话不对,说明白为什么,明确一个问题,我问的是被动语态,你那答案好像不是完整句子吧?