boyases

form-of imperfect second-person singular subjunctive

boyarの二人称単数未完了接続法

English Meaning

second-person singular imperfect subjunctive of boyar

Si durante el banquete boyases como un verdadero caballero, ganarías el respeto de todos.

もし宴会の最中に本当の紳士のように振る舞ったなら、皆の尊敬を得るでしょう。

If during the banquet you behaved like a true gentleman, you would earn everyone's respect.