咀嚼 そしゃく運動 うんどうじゃなかったです
soshakūn dōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 咀嚼運動

1. Wasn't chewing.; Wasn't exercising the jaw.

Past/Perfective
Negative
Polite
Casual Register