Which statement correctly explains the aspect “Past and present verbs” in the example “هَلَّا تَفْعَلُ / هَلَّا فَعَلْتَ”?

Inshāʾ and Tamannī: Requests, Wishing, Exhortation, and Reproach

• Past and present verbs — Why do you not do it? / Why did you not do it?
• Report versus performative — Zayd is standing / Stand up.
• Wishing for the unlikely possible — Would that I had wealth so I could give charity.
• Subjunctive after fāʾ — If only you came and spoke with me.