水害 すいがい防備 ぼうび りんじゃありませんでした
suigaibōbi rinjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 水害防備林

1. It was not a flood control forest.; It wasn't a disaster prevention forest.

Past/Perfective
Negative
Polite
Terminal Form