かぎょう変格 へんかく活用 かつようだったら
kagyōhenkaku katsu yōdattara

Noun
Da Copula

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

1. If/when… (it's a ka-row irregular verb); If it were…; Were it to be…

Tara Conditional
Linguistics