にっぽんいもりじゃありませんでした
日本井守じゃありませんでした
nippon'imorijārimasendeshita

Noun
Desu Copula

The polite, past negative form of にほんいもり

1. Was not a Japanese well guardian.; Was not a guardian of Japanese wells.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana