非行 ひこう少年 しょうねんじゃありませんでした
hikō shōnenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 非行少年

1. Was not a delinquent.; Was not misbehaving.; Was not acting out.

Past/Perfective
Negative
Polite
Terminal Form