樺太からふと千島ちしま交換こうかん条約じょうやくだったら
kara futo chi shimakōkanjōyakudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 樺太千島交換条約

1. If the Sakhalin-Kuril Islands Exchange Treaty…; Had the Sakhalin-Kuril Islands Exchange Treaty been…; Were the Sakhalin-Kuril Islands Exchange Treaty to be…

Tara Conditional