みやまかわとんぼじゃありません
深山川蜻蛉じゃありません
miyamakawa tombojārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of みやまがわとんぼ

1. Not a mountain river dragonfly.; Not that.

Negative
Polite
Terminal Form
Usually Written in Kana