Summary: 现在进行时的被动语态
e.g. 1. A new library is being built now. 2. Some animals are not being protected well enough. 3. Is the bridge being repaired now?
1. 构成:
am/is/are (not) + being + V-过去分词
2. 意义:
…正在被做.
一座新图书馆正在被修建。
有些动物没有受到很好的保护。
现在那座桥在修吗?
is being built
are not being
Is
being repaired
protected