米粒 こめつぶ うま やしじゃなかったです
kometsubūma koyashijanakattadesu

Noun
Desu Copula

The polite, past negative form of 米粒馬肥やし

1. Wasn't fattening a rice grain horse.; Wasn't spoiling a rice grain horse.

Past/Perfective
Negative
Polite
Casual Register