LessonsVerb Classes and the Six Unaugmented Triliteral PatternsQuiz

ضَرَبَ — يَضْرِبُ — ضَرْبًا
He struck — he strikes — striking.
The class is فَعَلَ يَفْعِلُ. The second radical has fatḥah in the perfect, then kasrah in the imperfect: ḍaraba / yaḍribu.
غَسَلَ يَغْسِلُ — washed / washes.
جَلَسَ يَجْلِسُ — sat / sits.
Both this class and naṣara have the perfect pattern faʿala. Their different imperfect vowels distinguish their classes.

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Class 2: ḍaraba–yaḍribu

Verb Classes and the Six Unaugmented Triliteral Patterns

ضَرَبَ — يَضْرِبُ — ضَرْبًا
He struck — he strikes — striking.
The class is فَعَلَ يَفْعِلُ. The second radical has fatḥah in the perfect, then kasrah in the imperfect: ḍaraba / yaḍribu.
غَسَلَ يَغْسِلُ — washed / washes.
جَلَسَ يَجْلِسُ — sat / sits.
Both this class and naṣara have the perfect pattern faʿala. Their different imperfect vowels distinguish their classes.