さるのこしかけじゃなかったです
猿の腰掛けじゃなかったです
saruno koshikakejanakattadesu

Noun
Desu Copula

The polite, past negative form of さるのこしかけ

1. Wasn't a monkey's seat.; Wasn't sitting like a monkey.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana