こんごうあなごじゃありませんでした
金剛穴子じゃありませんでした
kongōanagojārimasendeshita

Noun
Desu Copula

The polite, past negative form of こんごうあなご

1. Was not a vajra-child.; Was not a diamond-born child.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana