だい日本 にっぽん帝国 ていこく憲法 けんぽうなら
dainipponteikokukempōnara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 大日本帝国憲法

1. If the Greater Japan Imperial Constitution…; When the Greater Japan Imperial Constitution…

Nara Conditional