being的问题.as it was being passed to me,这句话中为什么用being?我联系上下文看了

being 为什么用being? It is not easy being your age这句话中,为什么是being Bread is being passed out.这句话中pass out的意思? It is now being sent to his home by train.这句话里为什么要加being?能不能 just for once,she's being nice to me.being在这是什么,看不懂这句话 he apologies for not being able to tell me 这里为什么not不在being 的 It is being repaired 这句话用的是什么语法呢?两个动词了 为什么it is not easy being a teenager,用being 而不用to be a teenage it isn't easy being the new kids at school.为什么用being而不是to be Being as being where to begin being upset为什么要用being