がいじじゃありませんでした
害児じゃありませんでした
gaijijārimasendeshita

Noun
Desu Copula

The polite, past negative form of がいじ

1. Was not a nuisance.; Was not a troublesome child.; Was not a bad child.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana