Choose the correct answer

Which two structural features identify Bab Tafaa'ul?

Derived Trilateral (without Hamzah) - Bab 5: Tafaa'ul (Taqatul)

• Prefixed تَـ and an Alif after the first root letter
• Prefixed Hamzah and silent Noon
• A doubled middle root letter only
• A doubled final root letter only