しめさばじゃなかったです
しめ鯖じゃなかったです
shimesabajanakattadesu

Noun
Desu Copula

The polite, past negative form of しめさば

1. It wasn't mackerel sushi.; It wasn't pickled mackerel.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana