mag-1vb prefixsubjective action. This affix marks a verb for subjective action, with actor or agent as Topic of the clause, and the not begun, or contemplated, aspect. It is also used by many speakers on verbs expressing natural phenomena, e.g. rain rains, wind blows, dawn bursts. Past form: nag-. Nominal form: pag-. For more information see the Grammatical Sketch, sec. 5.31.mag-(sagkâ)vascendGinaisip ko na magsagka sa amon uma.I am-thinking to-ascend to our farm.nag-(istár)vlivedMay isad na gurang na may kagamhanan nag-istar sa bukid na kweba.There-was an old-person with power who lived in a mountain cave.