銀杏 ぎんなん歯鯨 はくじらであれば
ginnanwa kujiradeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 銀杏歯鯨

1. If it were a ginkgo-toothed whale:; If it is a ginkgo-toothed whale:

Ba Conditional