The Sanskrit verbal system is very complex, with verbs inflecting for different combinations of tense, aspect, mood, number, and person. Participial forms are also extensively used.
There are two broad ways of classifying Sanskrit verbal roots. They are: Parasmaipadi (परस्मैपदी) and Atmanepadi (आत्मनेपदी). But some roots are Ubhayapadi (उभयपदी) i.e. they are conjugated as Parasmaipadi as well as Atmanepadi roots. Verbs are classified into Ten gaṇas and Seṭ and aniṭ roots.

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Acknowledgements: Department of Sanskrit Studies, University of Hyderabad, Hyderabad