없나

없나

"없나" means "Is there none?" or "Is it absent?"

This usage of '없나' questions the absence of convenience stores in the area.

주변에 편의점은 없나?

Is there no convenience store around?

Here, '없나' is used to question the absence of preparation, inquiring about its current status.

준비가 아직 없나?

Is the preparation still not done?

In this sentence, '없나' implies questioning whether something expected (a full stop) is missing.

마침표를 놓고 없나?

Did you forget to add the full stop?