かぶとがにじゃなかったです
兜蟹じゃなかったです
kabutoganijanakattadesu

Noun
Desu Copula

The polite, past negative form of かぶとがに

1. Didn't carry crabs.; Wasn't carrying crabs.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana