さん人称 にんしょう単数 たんすう現在 げんざいであれば
sanninshōtan sū genzaideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 三人称単数現在

1. If it is third-person singular present.; If it were third-person singular present.

Ba Conditional
Linguistics