主語 しゅご じょ動詞 どうし倒置 とうちであれば
shu gojodōshito uchideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 主語助動詞倒置

1. If the subject-auxiliary inversion were…; If the subject and auxiliary were inverted…

Ba Conditional
Linguistics