さがり かわ回遊 かいゆうじゃありませんでした
sagarika wakaiyūja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 降河回遊

1. Was not descending the river and roaming.; Did not descend and roam the river.

Past/Perfective
Negative
Polite
Terminal Form