協同 きょうどう収集 しゅうしゅうじゃなかったです
kyōdōshūshūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 協同収集

1. Didn't collaborate/collect together.; Didn't work together.

Past/Perfective
Negative
Polite
Casual Register
Computing