现在进行时的被动语态

现在进行时被动语态格式: is/are/am + being + 过去分词

* Are the babies being taken care of by this nurse? 这些婴儿正由这个护士照看吗？
* Your bicycle is being repaired now. 你的自行车正在修理当中。
* A hospital is being built in the centre of the town. 镇中心正在兴建一家医院。
* The project is being carried out. 这个计划正在执行中。