とらのおしだでわありませんでした
虎の尾羊歯ではありませんでした
toranōshidadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of とらのおしだ

1. Was not a tiger's tail and fern.; Was not as dangerous as a tiger's tail and fern.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana