he was not elected the moniter ,being considered not popular with his classmates

问题描述:

he was not elected the moniter ,being considered not popular with his classmates
为什么要用being considered 而不能用 considered

整个句子用的是被动语态,前面说他没有被选中做班长,后面禅明原因,是说他被认为不受同学欢迎.