Hacer — presente
Hacer — present
presentThe yo form is hago.
Hacer — pretérito
Hacer — preterite
preteriteThe stem is hic-; the third-person singular is hizo.
Hacer — imperfecto
Hacer — imperfect
imperfectUse hacía for past habits or processes.
Tener — presente
Tener — present
presentThe yo form is tengo; e → ie changes occur in singular forms except yo.
Tener — pretérito
Tener — preterite
preteriteThe irregular stem is tuv-.
Tener — imperfecto
Tener — imperfect
imperfectTenía describes possession, age, or a background situation.
Ir — presente
Ir — present
presentIt is fully irregular in the present: voy, vas, va, vamos, van.
Ir — pretérito
Ir — preterite
preteriteIt shares fui, fuiste, fue, fuimos, fueron with ser.
Ir — imperfecto
Ir — imperfect
imperfectIba describes a route, custom, or habitual movement.
Ser — presente
Ser — present
presentSoy, eres, es, somos, son express identity, origin, profession, or characteristics.
Ser — pretérito
Ser — preterite
preteriteIt shares ir’s preterite forms; context indicates ‘was/were.’
Ser — imperfecto
Ser — imperfect
imperfectEra, eras, era, éramos, eran describe past identity or background.
Estar — presente
Estar — present
presentEstoy, estás, está, estamos, están express a current state or location.
Estar — pretérito
Estar — preterite
preteriteThe irregular stem is estuv-; it focuses on a bounded state or location.
Estar — imperfecto
Estar — imperfect
imperfectEstaba describes a background state or an action in progress.
Poder — presente
Poder — present
presento → ue changes in puedo, puedes, puede, and pueden; podemos does not change.
Poder — pretérito
Poder — preterite
preteriteThe irregular stem is pud-.
Poder — imperfecto
Poder — imperfect
imperfectPodía expresses ability, possibility, or permission as background.
Querer — presente
Querer — present
presente → ie changes in quiero, quieres, quiere, and quieren; queremos does not change.
Querer — pretérito
Querer — preterite
preteriteThe irregular stem is quis-; quise can mean ‘wanted’ or ‘tried.’
Querer — imperfecto
Querer — imperfect
imperfectQuería expresses a desire or intention that was in effect.
Decir — presente
Decir — present
presentThe yo form is digo; e → i changes occur in dices and dice.
Decir — pretérito
Decir — preterite
preteriteThe stem is dij-, and the third-person plural is dijeron, without i.
Decir — imperfecto
Decir — imperfect
imperfectDecía describes what someone used to say or was saying as background.
Venir — presente
Venir — present
presentThe yo form is vengo; e → ie changes occur in vienes and viene.
Venir — pretérito
Venir — preterite
preteriteThe irregular stem is vin-.
Venir — imperfecto
Venir — imperfect
imperfectVenía describes a habitual arrival or movement in progress.
Ver — presente
Ver — present
presentThe yo form is veo; the other forms are short and regular.
Ver — pretérito
Ver — preterite
preteriteThe forms are vi, viste, vio, vimos, vieron; they do not take an accent mark.
Ver — imperfecto
Ver — imperfect
imperfectVeía describes something you used to watch or something in your visual background.