ひらしゅもくさめじゃなかったです
平撞木鮫じゃなかったです
hira shumoku samejanakattadesu

Noun
Desu Copula

The polite, past negative form of ひらしゅもくざめ

1. Wasn't a flat-colliding shark.; Wasn't a shark that bumped flatly.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana