だい東大 とうだい蝙蝠 かわほりではありませんでした
dai tōdai kawahoridewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 大東大蝙蝠

1. Was not a great eastern bat.; Was not the great eastern bat.

Past/Perfective
Negative
Polite
Formal Register