Choose the correct answer

Which active past pattern identifies Bab If'ilaal in this level?

Derived Trilateral (with Hamzah) - Bab 4: If'ilaal (Ihmirar)

• اِفْعَلَّ
• اِنْفَعَلَ
• اِفْتَعَلَ
• اِسْتَفْعَلَ