فعل. فعل الامر

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16
مصدر
The guttural letter makes form a-a allowable, but not necessary
افعال انگلیسی با معنی فارسی و تلفظ
Because they're all regular and predictable with the exception of form 1 - the second vowel in the imperfect and perfect conjugations, and the verbal noun , if you just memorize them, you'll know them for almost every verb there is
فعل الامر
Feeding someone with the thing indicated in the word from the same root
Moreover, the book has quoted 1 example with most of the shades and it can't be ascertained without an exhaustive study into many such verbs from each sub form the number of verbs on which each of the given meaning shades apply

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13
مصدر
فعل الأمر
فعل الأمر
In examples like below one, both a-i and a-u forms can be used
Becoming the thing indicated in the word from the same root or becoming like the thing indicated in the word from the same root
— — : : : : : : : : :• This is all taken from old handouts I got at the AUC, so it's not my original work

Also, the more the number of letters in a word, the heavier the word.

فعل الأمر
I will try to give a reply when I check my email inshaALLAH! It usually indicates a real action on the part of the subject that occurs over a period of time
معنی فعل
Usually one or multiple more than one of the following meaning shades are applicable in a form I a verb and applicable meaning shades may differ from verb to verb
The Arabic verb forms (الأوزان)