The same passive pattern is applied to different active forms:
PassiveActive
ضُرِبَضَرَبَ
سُمِعَسَمِعَ
فُعِلَفَعُلَ — pattern only
The key is not the original middle vowel. In the basic passive pattern, the first root letter takes Dhammah and the second takes Kasrah.
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Conjugating the Passive Positive Past Tense (Maadhi Majhool)
The same passive pattern is applied to different active forms:
PassiveActive
ضُرِبَضَرَبَ
سُمِعَسَمِعَ
فُعِلَفَعُلَ — pattern only
The key is not the original middle vowel. In the basic passive pattern, the first root letter takes Dhammah and the second takes Kasrah.