主动变被动 workers are building the building now

主动变被动 workers are building the building now workers are building the building now 变被动怎么变 The workers are building a tall building改为被动语态 What are the workers building? 一道初二被动语态The workers are building a tall building.A tall buil the workers are building a bridge over the river（该被动） 改成被动语态：she give me a book ; the workers are building the roa 将主动语态改为被动语态.1.They are building a new bridge over the river. Workers are in the new building around the _____. What are the workers building?They are building a big subway workers are building a____bridge over the yangtze river in n They are building the fences over there(改为被动句)