Modern Spanish Grammar: A Practical Guide

A number of common verbs have irregular present indicative first person forms which

also form the basis of the present subjunctive:

The following verbs are rather more irregular:

16.1.2.5 Irregular preterites
A number of verbs have irregular preterite forms: not only is their stem irregular,
but the endings of such verbs are often slightly different from those of regular
verbs.

Infinitive 1st pers. sg. present indicative Present subjunctive

Caber‘to be contained’ quepo quepa, etc.

Caer‘to fall’ caigo caiga, etc.

Decir‘to say’, ‘tell’ digo diga, etc.

Hacer‘to do’, ‘make’ hago haga, etc.

Oír‘to hear’ oigo oiga, etc.

Poner‘to put’, ‘place’ pongo ponga, etc.

Salir‘to go out’ salgo salga, etc.

Traer‘to bring’ traigo traiga, etc.

Valer‘to be worth’ valgo valga, etc.

Venir‘to come’ vengo venga, etc.

Infinitive Present indicative Present subjunctive

Dar‘to give’ doy, das, da, etc. dé, des, dé, demos, deis, den

Estar‘to be’ estoy, estás, está, etc. esté, estés, esté, estemos,

estéis, estén

Ir‘to go’ see 16.1.2.9 vaya, etc.

Saber‘to know’ sé, sabes (sabés), sabe, etc. sepa, etc.

Ser‘to be’ see 16.1.2.9 sea, etc.

Infinitive Preterite

Andar‘to go’ anduve, anduviste, anduvo, anduvimos,

anduvisteis, anduvieron

Caber‘to be contained’ cupe, cupiste, cupo, cupimos, cupisteis,

cupieron

Dar‘to give’

Decir‘to say’, ‘tell’ (and its

compounds, e.g. desdecir‘to deny’)

di, diste, dio, dimos, disteis, dieron

dije, dijiste, dijo, dijimos, dijisteis, dijeron

Estar‘to be’ estuve, estuviste, estuvo, estuvimos,

estuvisteis, estuvieron

Haber auxiliary hube, hubiste, hubo, hubimos, hubisteis,

hubieron

Hacer‘to do’, ‘make’ (and its

compounds, e.g. deshacer‘to undo’)

hice, hiciste, hizo, hicimos, hicisteis,

hicieron

Ir‘to go’ fui, fuiste, fue, fuimos, fuisteis, fueron

Poder‘to be able’ pude, pudiste, pudo, pudimos, pudisteis,

pudieron

VERB FORMS 16.1