Question

after four years of battle there, it's estimated to have only one-tenth the population it had be

after four years of battle there, it's estimated to have only one-tenth the population it had before the war.句子里的it had before the war是整个句子的什么结构？

Answer 1

it had before the war是大句子的定语从句, 做的是polulation的定语，

翻译：直译：那里经过四年的战争， 据估计人口只有战前拥有的人口的十分之一。

整理翻译：据估计， 经过四年的战争， 那里的人口变为了战前的十分之一

Answer 2

cAll time is no time when it is past.

Answer 3

应该是从句