月給 げっきゅう泥棒 どろぼうではありませんでした
gekkyūdorobōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 月給泥棒

1. Was not a monthly salary thief.; Was not a salaried thief.

Past/Perfective
Negative
Polite
Formal Register