英语的被动语态的进行时句型：主语＋be + being 过去分词 被动语态现在进行时的例句: A new railway is being built.一条新铁路正在修建． 被动语态过去进行时的例句: The roads were being widened.路那时正在加宽．

being前面填什么词

being done放句首表示被动，与谓语同时发生，比如Being repaired in the factory， my car is out of shape