526 liwk ‘aiia ‘hoe’ (Salinas) s impaiia ‘spider web' (all dialects) a 7-4.21.21 -fia abstraction of action Verb infinitives in citation form do not neces- sarily imply an obligation. Many cases of -na nominaliza- tions are nonobligatory when serving as zero complements of other verbs, especially if the verb nominalized with -fia occurs without a personal possessive suffix and the final suffix -wa does not occur in the sentence. Verbs that frequently take -na zero complements are the following: ama:.na ‘to want' (Sitajara) muna.fia ‘to want' (elsewhere) galita.fia 'to begin' (general) tuku.fia ‘to finish' (general) yanapa.fia 'to help’ (general) yati.fia ‘to know' (general) yati.nta.fia ‘to learn by oneself' (Calacoa) yati.qa.fia ‘to learn from someone else' (Calacoa) ‘to learn' (elsewhere)