大嘴 おうはし海烏 うみがらすではありませんでした
ō hashiumigarasudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 大嘴海烏

1. Was not a frigatebird.; Was not a large-billed seabird.

Past/Perfective
Negative
Polite
Formal Register