らぎょう変格 へんかく活用 かつようではありませんでした
ragyōhenkaku katsu yōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ラ行変格活用

1. Was not a row-group irregular verb.; Was not of the ra-group irregular conjugation.

Past/Perfective
Negative
Polite
Formal Register
Linguistics