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

Noun
Desu Copula

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

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

Past/Perfective
Negative
Polite
Formal Register
Linguistics