ぎょう変格へんかく活用かつようであれば
kagyōhenkakukatsuyōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of カ行変格活用

1. If it is a Group 1 verb; If it's an irregular verb ending in a consonant of the ka-row

Ba Conditional
Linguistics