選手 せんしゅ宣誓 せんせいじゃなかったです
senshusenseijanakattadesu

Noun
Desu Copula

The polite, past negative form of 選手宣誓

1. Wasn't the athlete's oath.; Didn't swear the oath (as an athlete).

Past/Perfective
Negative
Polite
Casual Register