When is the circumstantial reading of “ʿāda al-ʿummālu wa-lam yukmilū al-ʿamala” strongest?

Supplementary Practice 12: Rhetorical Evidence, Competing Analyses and Reasoned Revision

• When the unfinished state of the work accompanies their return
• When lam imposes a future command
• When both verbs must be affirmative imperfect
• When wāw must be an oath particle