ガタガタじゃなかったです
gatagatajanakattadesu

Desu Copula
na-Adjective
no-Adjective

The polite, past negative form of ガタガタ

1. Wasn't rattling.; Wasn't shaking.; Wasn't trembling.; Wasn't unstable.

Past/Perfective
Negative
Polite
Casual Register