鉄砲 てっぽう えではありませんでした
teppō aedewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 鉄砲和え

1. Was not iron-and-pepper seasoned.; Was not a mixed dish with iron-and-pepper.

Past/Perfective
Negative
Polite
Formal Register