• We said before that a weak verb is that which has one or two sick letters in its base (root).
• The letters that make a verb weak are: Waw (و ), Alif (ا ) and Yaa (ى ).
• The position of the sick letter in the root verb determines the type of the weak verb.
• Today, we will look at the third type of weak verbs; the Defective or Naaqis Verb الفعل الناقص.      

Definition:

      A Naaqis (Defective) ناقص Verb is that whose third (last) letter is sick in its root form.

• Naaqis verbs have an Alif (ا ), a Yaa (ى ) or a Waw (و )  as its last letter.
• The final Alif is often turned into a Waw (و ) or a Yaa (ى ).
• To know the origin of the Alif, get the noun form of the root verb.

             Examples: – غَزا = to invade (v.) ► غَزْو = invasion (n.)  ► غَزَوَ (original verb)

                               – رَمَى = to throw (v.) ► رَمْىْ = throwing (n.)   ► رَمَىَ (original verb)

The table below shows the different tense forms of this  type of verbs;

(Note 1 : The rules of gender and number we studied earlier apply to these verb tenses.)

(Note 2 : The final sick letter in Naaqis/Defective verbs is deleted in Imperative and Present Majzoom verb forms.)

(Note 3: The final sick letter in the Past Naaqis verb is deleted if the verb is attached to the Taa of Address or the Waw of the Masculine Plural; e.g. دَعُوا = They invited , لا تَدعِى = Don’t invite , جَرَوْا = They ran ..)

(Note 4 : The final sick letter in the Past Naaqis verb is turned to its origin (Yaa or Waw) if the verb is attached to a subject pronoun except for the Yaa of Address and the Waw of the Masculine Plural; e.g. دَعَوْتُ = I invited , دَعَوْتَ = You invited , دَعَوْنا = We invited , جَرَيْتُ = I ran , جَرَيْتَ = You ran , جَرَينَا = We ran .. etc.)

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Next time, we will continue looking at Weak Lafeef Verbs.  

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