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Which summary best describes the construction of Fi'l Nahi?

The Prohibitive Verb (Fi'l Nahi) - Concept & Construction

• Put prohibitive Laa before Mudhaari' and apply Jazm
• Remove the Mudhaari' prefix and add Hamzat-ul-Wasl
• Put Lan before Mudhaari' and give Nasb
• Add Heavy Noon to every Mudhaari' form