機能 きのう単一 たんいつ 文法 ぶんぽうであれば
kinō tan'itsuka bumpōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 機能単一化文法

1. If the grammar were functional unification…; If functional unification grammar were the case…

Ba Conditional
Linguistics