銀杏 ぎんなん歯鯨 はくじらだったら
ginnanwa kujiradattara

Noun
Da Copula

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

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

Tara Conditional