Aspect is unusual in ASL in that transitive verbs derived for aspect lose their transitivity.

It is very rare to have other verbs derived from the passive through suffixes.

Verbs and instrumental nouns crossover in that verbs theoretically derived from these nouns appear in an identical form.

In fact, participles and verbal nouns are the major sources for lexical items based on verbs, especially derived (i.e. non-Form-I) verbs.

Desiderative forms are often verbs, derived from a more basic verb through a process of morphological derivation.

In grammar, denominal verbs are verbs derived from nouns.

In other Romance languages, compound perfect are constructed with a verb derived from Latin habere.

"andar" was maintained as a separate verb derived from "ambulare".

This caused Verner alternation between the original verbs and the causative verbs derived from them.

However, all verbs derived from decir are regular in this form: bendice, maldice, desdícete, predice, contradice.