てながすいてんぐであれば【
手長水天狗であれば
】

te naga sui tengudeareba

Noun

,

Da Copula

The "-eba" conditional form ("if/when…") of てながみずてんぐ

1. If it were a long-nosed goblin; If it were a long-nosed water imp

Ba Conditional

,

Usually Written in Kana