なりっぱなしじゃなかったです
鳴りっぱなしじゃなかったです
narippanashijanakattadesu

Noun
Desu Copula

The polite, past negative form of なりっぱなし

1. Wasn't ringing.; Wasn't making noise.; Wasn't loud.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana