• 3 Form Of Verb

This list contains all the irregular verbs of the English language. Each entry includes the base or bare infinitive first, followed by the simple past (V2) form and the.

Most Arabic words are derived from a three-letter (trilateral) root. And each trilateral Arabic root can theoretically be transformed into one of fifteen possible verb forms (الأوزان, al-awzaan). (Forms 11 through 15 are very rare, so people usually just focus on forms 1 through 10, although 9 is also pretty rare). Each form has a basic meaning associated with the general meaning of the root being used. Here's a more detailed breakdown, using فعل (fa3ala, to do) as an example. (This is all taken from old handouts I got at the AUC, so it's not my original work.)

Form 1 - فعل (fa3ala)
Expresses the general verbal meaning of the root in question

Root	Form 1 verb
خ ر ج (x-r-j) - leaving, departing	خرج (xaraja) - to leave, go out
ج م ع (j-m-3) - joining, uniting	جمع (jama3a) - to gather, collect
ع م ل(3-m-l) - doing, making	عمل(3amala) - to work, to do, to make
ق ط ع (q-T-3) - cutting	قطع (qaTa3a) - to cut, cut off
ب ع د (b-3-d) - separating, distance	بعد (ba3ada) - to be far from

Form 2 - فعّل (fa33ala)
Built on form 1 by doubling the middle radical of the form 1 verb (adding a shadda to it)
Often is a causative version of the form 1 verb
Often an intensive version of the form 1 verb (especially if the form 1 verb is transitive)
Form 3 - فاعل (faa3ala)
Built on form 1 by adding an alif between the first and second radicals of the form 1 verb
Usually gives an associative meaning to the form 1 verb; describes someone doing the act in question to or with someone else
Form 4 - أفعل (af3ala)
Built on form 1 by prefixing an alif to the form 1 verb and putting a sukuun over the first radical
Similar to form 2 in that it is usually a causative version of the form 1 verb
Form 5 - تفعّل (tafa33ala)
Built on form 2 by adding the prefix تـ to the form 2 verb
Often a reflexive version of the form 2 verb

Form 6 - تفاعل (tafaa3ala)
Built on form 3 by adding the prefix تـ to the form 3 verb
Usually a reflexive version of the form 3 verb

3 Form Of Verb

Form 7 - انفعل (infa3ala)
Built on form 1 by adding the prefix انـ to the form 1 verb
Usually a reflexive and/or passive version of the form 1 verb
Form 8 - افتعل (ifta3ala)
Built on form 1 by adding the prefix ا to the form 1 verb and placing a sukuun must be placed over its first radical
Often a reflexive version of the form 1 verb
Sometimes has a specially derived meaning relative to a form 1 verb
Form 9 - افعلّ (if3alla)
Built on form 1 by adding the prefix ا to the form 1 verb, placing a sukuun over its first radical, and adding a shadda to the last radical
Relates to colors
Form 10 - استفعل (istaf3ala)
Built on form 1 by adding the prefix استـ to the form 1 verb and inserting a ت between the first and second radicals; a sukuun must be placed over the first radical
Often a considerative version of the form 1 verb; means 'to consider or to deem someone to have the quality' of the form 1 verb in question
Often a requestive version of a form 1 verb; means 'to request or to seek something' for oneself

And here's a table of all the verb forms, including their perfect and imperfect conjugations (الماضي والمضارع), active and passive participles (اسم الفاعل واسم المفعول), and verbal nouns (المصدر). 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. So if you're learning Arabic, I suggest you memorize all the verb forms along with their associated meanings as soon as you can; it'll really come in handy.

المصدر	اسم المفعول	اسم الفاعل	المضارع	الماضي
؟	مَفْعُول	فاعِل	يَفْعلُ	فَعلَ	1
تَفْعِيل	مُفَعَّل	مُفَعِّل	يُفَعِّلُ	فَعَّلَ	2
مُفاعَلَة or فِعال	مُفاعَل	مُفاعِل	يُفاعِلُ	فاعَلَ	3
إفْعال	مُفْعَل	مُفْعِل	يُفْعِلُ	أفْعَلَ	4
تَفَعُّل	مُتَفَعَّل	مُتَفَعِّل	يَتَفَعَّلُ	تَفَعَّلَ	5
تَفاعُل	مُتَفاعَل	مُتَفاعِل	يَتَفاعَلُ	تَفاعَلَ	6
اِنْفِعال	مُنْفَعَل	مُنْفَعِل	يَنْفَعِلُ	اِنْفَعَلَ	7
اِفْتِعال	مُفْتَعَل	مُفْتَعِل	يَفْتَعِلُ	اِفْتَعَلَ	8
اِفْعِلال	-	مُفْعَلّ	يَفْعَلُّ	اِفْعَلَّ	9
اِسْتِفْعال	مُسْتَفْعَل	مُسْتَفْعِل	يَسْتَفْعِلُ	اِسْتَفْعَلَ	10

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