حَدَّدَ conjugation
Core forms
| Past: heفَعَّلَ | حَدَّدَ |
| Past: sheفَعَّلَتْ | حَدَّدَتْ |
| Past: you (m.)فَعَّلْتَ | حَدَّدْتَ |
| Past: Iفَعَّلْتُ | حَدَّدْتُ |
| Past: they (m.)فَعَّلُوا | حَدَّدُوا |
| Present: heيُفَعِّلُ | يُحَدِّدُ |
| Present: Iأُفَعِّلُ | أُحَدِّدُ |
| Present: they (m.)يُفَعِّلُونَ | يُحَدِّدُونَ |
Advanced forms
| Past: the two of themفَعَّلَا | حَدَّدَا |
| Present: you (f.)تُفَعِّلِينَ | تُحَدِّدِينَ |
| Subjunctive after أنْيُفَعِّلَ | يُحَدِّدَ |
| Jussive after لَمْيُفَعِّلْ | يُحَدِّدْ |
| Imperative: you (m.)فَعِّلْ | حَدِّدْ |
| Imperative: you (f.)فَعِّلِي | حَدِّدِي |
| Passive: pastفُعِّلَ | حُدِّدَ |
| Passive: presentيُفَعَّلُ | يُحَدَّدُ |