みっ がつ燕魚 つばめうおではありませんでした
mikka gatsu tsubameuodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 三日月燕魚

1. Was not a sicklefish.; Was not a halfbeak.

Past/Perfective
Negative
Polite
Formal Register