Augmented verb patterns (awzan)
The triliteral root takes ten major patterns (forms I–X), each adding meaning. Form I (فَعَلَ) is the simple base.
| Form | Pattern | Example | Sense |
|---|---|---|---|
| I | فَعَلَ | كتب | basic |
| II | فَعَّلَ | علّم | causative/intensive |
| III | فاعَلَ | كاتب | reciprocal |
| IV | أفعَلَ | أكرم | causative |
| X | استَفعَلَ | استخرج | to seek/ask |
Form II (فَعَّلَ) often makes a verb causative or intensive.
Each form has typical meanings (e.g. III reciprocal, VII passive, X requestive).