Tom’s being late again made me angry.

问题描述:

Tom’s being late again made me angry.
为什么用being呢?

这个是动名词的复合结构
late 是形容词,变成being late 就相当于名词了,前面的Tom's是所有格,汤姆的,有的了,就得是名词了,也就是being late