هَلَّا زُرْتَنِي
Why did you not visit me?
Exhortation presses for a present or future act; reproach (tandīm) regrets or censures a past omission. With a past-tense verb after hallā, the reproachful reading is especially natural.
Comparative review
ParticleTypical rhetorical use
ليتPrimary marker of wishing
هلInterrogation used as a wish
لوConditional form used for wishing
هلّاExhortation or past reproach
لولاExhortation or reproach