It then became possbile for universities to use the system as well划分句子成分

It then became possbile for universities to use the system as well划分句子成分
It then became possbile for universities to use the system as well划分句子成分

It then became possbile for universities to use the system as well划分句子成分
这个是it becomes(is) possbile for sb.to do sth.的句型,it 做形式主语,真正的主语是后面的to do sth.
It（形式主语） then(时间状语) became（系动词） possbile（表语） for universities to use the system as well（后面的是真正的主语,as well 表示“也”）