Before applying the jussive rule, first check the final root letter.
Result after LamEnding type
final Dhammah becomes Sukoonsound final
final weak letter is deletedweak final
So:
يَفْعُلُ → لَمْ يَفْعُلْ
يَرْمِي → لَمْ يَرْمِ
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Sound Ending or Weak Ending?
Rule of Past Absolute Negation with "Lam" (لَمْ) & Weak Letters
Before applying the jussive rule, first check the final root letter.
Result after LamEnding type
final Dhammah becomes Sukoonsound final
final weak letter is deletedweak final
So:
يَفْعُلُ → لَمْ يَفْعُلْ
يَرْمِي → لَمْ يَرْمِ