かたくちいわしじゃありませんでした
片口鰯じゃありませんでした
katakuchiiwashijārimasendeshita

Noun
Desu Copula

The polite, past negative form of かたくちいわし

1. Was not a young horse mackerel.; Was not a small horse mackerel.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana