日本 にっぽん銀行 ぎんこう総裁 そうさいであれば
nipponginkōsōsaideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 日本銀行総裁

1. If the Governor of the Bank of Japan were…; If the Governor of the Bank of Japan is… (less common, implied future)

Ba Conditional