前兆 ぜんちょう現象 げんしょうじゃなかったです
zenchōgenshōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 前兆現象

1. Wasn't a sign.; Wasn't a symptom.; Wasn't a precursor.

Past/Perfective
Negative
Polite
Casual Register