しろ撞木 しゅもく さめではありませんでした
shiro shumokusamedewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 白撞木鮫

1. Was not a white-striped shark.; Was not a white-spotted shark.

Past/Perfective
Negative
Polite
Formal Register