征夷 せいい大将軍 たいしょうぐんじゃなかったです
seiitaishōgunjanakattadesu

Noun
Desu Copula

The polite, past negative form of 征夷大将軍

1. Was not a shogun.; Wasn't a shogun.

Past/Perfective
Negative
Polite
Casual Register