一斉 いっせい射撃 しゃげきじゃありませんでした
issei shagekijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 一斉射撃

1. It wasn't a volley of fire.; It wasn't simultaneous firing.

Past/Perfective
Negative
Polite
Terminal Form