みずらもぐらじゃありませんでした
角髪土竜じゃありませんでした
mizuramogurajārimasendeshita

Noun
Desu Copula

The polite, past negative form of みずらもぐら

1. Was not a horned dragon.; Was not a horned earthworm.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana