Sg-Pl pattern

SgPl-02: If <yes> to SgPl-01, is there a regular pattern among at least some of these verbs to derive the plural meaning?

This feature is described in the feature set Singular-plural verb stem alternation.

It is authored by David Inman and Marine Vuillermet with Natalia Chousou-Polydouri and Anna Graff and Balthasar Bickel and Nora Muheim and Kellen Parker van Dam and Selma Hardegger and David Timothy Perrot. cite