1. Subjunctive Perfect Tense Indicates an action that is completed with verbs in the present or future tense. Comer como - o = comcom + a = comacom + as = comascom + a = comacom + amos = comamoscom + áis = comáiscom + an = coman Haber - Haya - Hayas - Haya - Hayamos - Hayan