يَفْعَلُ ← يُفْعَلُ
The normal imperfect passive begins with ḍamma on the imperfect prefix and a fatḥa before the last consonant: yaktubu→yuktabu.
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Imperfect Passive: General Pattern
The Passive Verb: Past, Imperfect, and Proxy Subject
يَفْعَلُ ← يُفْعَلُ
The normal imperfect passive begins with ḍamma on the imperfect prefix and a fatḥa before the last consonant: yaktubu→yuktabu.