梅雨 つゆ前線 ぜんせんじゃなかったです
tsuyuzensenjanakattadesu

Noun
Desu Copula

The polite, past negative form of 梅雨前線

1. Wasn't a seasonal rain front.; Wasn't the rainy season front.

Past/Perfective
Negative
Polite
Casual Register