しまあじじゃありませんでした
縞鰺じゃありませんでした
shimājijārimasendeshita

Noun
Desu Copula

The polite, past negative form of しまあじ

1. Was not a striped jack.; Was not a horse mackerel.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana