自転 じてん しゃ保管 ほかん しょじゃなかったです
jitenshahokan shojanakattadesu

Noun
Desu Copula

The polite, past negative form of 自転車保管所

1. It wasn't a bicycle parking area.; It wasn't the bicycle storage.

Past/Perfective
Negative
Polite
Casual Register