| A | B |
|---|
| Present: formation | o / as, es / a, e / amos, emos, imos / an, en |
| Preterite: formation | e(a), i(a) / aste, iste / o(a), io(a) / amos, imos / aron, ieron |
| Imperfect: formation | aba, i(a)a / abas, i(a)as / aba, i(a)a / abamos, i(a)amos / aban, i(a)an |
| Future: formation | keep ending + e(a) / a(a)s / a(a) / emos / a(a)n |
| Conditional: formation | - ending + r + i(a)a / i(a)as / i(a)a / i(a)amos / i(a)an |
| Past Participle: romper | roto |
| Past Participle: resolver | resuelto |
| Past Participle: escribir | escrito |
| Past Participle: ver | visto |
| Past Participle: volver | vuelto |
| Past Participle: morir | muerto |
| Past Participle: abrir | abierto |
| Past Participle: cubir | cubierto |
| Past Participle: poner | puesto |
| Past Participle: hacer | hecho |
| Past Participle: decir | dicho |
| Future and Conditional: haber | habr |
| Future and Conditional: poder | podr |
| Future and Conditional: querer | querr |
| Future and Conditional: saber | sabr |
| Future and Conditional: poner | pondr |
| Future and Conditional: salir | saldr |
| Future and Conditional: tener | tendr |
| Future and Conditional: venir | vendr |
| Future and Conditional: decir | dir |
| Future and Conditional: hacer | har |
| Subjunctive: formation | present yo - ending + e, a / es, as / e, a / emos, amos / en, an |
| Subjunctive Imperfect: formation | preterite root + ara, iera / aras, ieras / ara, iera / aramos, ieramos / aran, ieran |
