Shiavault - a Vault of Shia Islamic Books Elementary Arabic Morphology 1 Regular Verbs and Verbs With Increase Letters What is a regular verb? What are the categories of regular verbs? What is a verb with increase letters? How many forms do triliteral verbs with increase letters have? How many forms do quadriliteral verbs with increase letters have? A regular verb is a verb that is without any extra letters.
For example: کَتَبَ دَحرَجَ (he rolled, he wrote) There are two categories of regular verbs: • Triliteral; for example**:** نَصَرَ کَرُمَ (he respected, he helped) • Quadriliteral; for example: دَحرَجَ زَلزَلَ (he shook, he rolled) Triliteral verbs with increase letters have one, two or three letters added to the original letters of the verb.
For example: اَکرَمَ اجتَمَعَ استَغفَرَ (he asked for forgiveness, he gathered, he respected) Quadriliteral verbs with increase letters have one or two letters added to the original letters of the verb.