yacer — Spanish conjugation

to lie (to be in a horizontal position)

Frequency#1995Irregular

Indicative

Present (Presente) Irregular

The present tense is the most versatile tense in Spanish. It covers actions happening right now, habitual actions, and even near-future plans. One form does the work of three English constructions.

Ella habla inglés — She speaks / is speaking English

PronounSpanishEnglish
yoyagoI lie
yacesyou lie
vosyacésyou lie
él/ella/Ud.yacehe/she/it lies
nosotrosyacemoswe lie
vosotrosyacéisyou (pl.) lie
ellos/ellas/Uds.yacenthey lie

Preterite (Pretérito indefinido) Regular

Used for completed past actions with a defined endpoint — a single event, a series of events, or an action that interrupted another. Common with time expressions like ayer, el lunes, una vez.

Ella habló de ti ayer — She spoke about you yesterday

PronounSpanishEnglish
yoyacíI lied
yacisteyou lied
vosyacisteyou lied
él/ella/Ud.yacióhe/she/it lied
nosotrosyacimoswe lied
vosotrosyacisteisyou (pl.) lied
ellos/ellas/Uds.yacieronthey lied

Imperfect (Pretérito imperfecto) Regular

Describes ongoing or habitual past states — what things were like, background context, what used to happen. Contrasts with the preterite which marks completed events.

Cuando era niño vivía en Valencia — When I was a child I lived in Valencia

PronounSpanish
yoyacía
yacías
vosyacías
él/ella/Ud.yacía
nosotrosyacíamos
vosotrosyacíais
ellos/ellas/Uds.yacían

Conditional (Condicional) Regular

Expresses hypothetical actions, polite requests, and what would happen under certain conditions. Also used for reported speech about the future from a past perspective.

¿Podrías ayudarme? — Could you help me?

PronounSpanishEnglish
yoyaceríaI would lie
yaceríasyou would lie
vosyaceríasyou would lie
él/ella/Ud.yaceríahe/she/it would lie
nosotrosyaceríamoswe would lie
vosotrosyaceríaisyou (pl.) would lie
ellos/ellas/Uds.yaceríanthey would lie

Future (Futuro) Regular

Expresses future actions, predictions, and probability about the present. Formed with the full infinitive as stem for most verbs. In spoken Spanish, ir a + infinitive is often preferred for near future.

Ella hablará en conferencia mañana — She will speak at the conference tomorrow

PronounSpanishEnglish
yoyaceréI will lie
yacerásyou will lie
vosyacerásyou will lie
él/ella/Ud.yaceráhe/she/it will lie
nosotrosyaceremoswe will lie
vosotrosyaceréisyou (pl.) will lie
ellos/ellas/Uds.yaceránthey will lie

Present perfect (Pretérito perfecto) Regular

A compound past tense linking a past action to the present moment — something that has happened and still feels recent or relevant. More common in Spain than Latin America where preterite is preferred.

Hoy he hablado con el jefe — Today I have spoken with the boss

PronounSpanishEnglish
yohe yacidoI have lied
has yacidoyou have lied
voshas yacidoyou have lied
él/ella/Ud.ha yacidohe/she/it has lied
nosotroshemos yacidowe have lied
vosotroshabéis yacidoyou (pl.) have lied
ellos/ellas/Uds.han yacidothey have lied

Pluperfect (Pretérito pluscuamperfecto) Regular

The past of the past — describes an action that was already completed before another past event happened. Always implies a reference point in the past.

Ya había hablado cuando llegaste — She had already spoken when you arrived

PronounSpanishEnglish
yohabía yacidoI had lied
habías yacidoyou had lied
voshabías yacidoyou had lied
él/ella/Ud.había yacidohe/she/it had lied
nosotroshabíamos yacidowe had lied
vosotroshabíais yacidoyou (pl.) had lied
ellos/ellas/Uds.habían yacidothey had lied

Conditional perfect (Condicional perfecto) Regular

Expresses what would have happened — actions that were possible but did not occur, or regrets about the past. Formed with conditional of haber + past participle.

Habría hablado, pero no me dejaron — I would have spoken, but they did not let me

PronounSpanish
yohabría yacido
habrías yacido
voshabrías yacido
él/ella/Ud.habría yacido
nosotroshabríamos yacido
vosotroshabríais yacido
ellos/ellas/Uds.habrían yacido

Future perfect (Futuro perfecto) Regular

Describes an action that will have been completed by a certain point in the future, or expresses probability about a recent past action.

Para el lunes habré terminado — By Monday I will have finished

PronounSpanishEnglish
yohabré yacidoI will have lied
habrás yacidoyou will have lied
voshabrás yacidoyou will have lied
él/ella/Ud.habrá yacidohe/she/it will have lied
nosotroshabremos yacidowe will have lied
vosotroshabréis yacidoyou (pl.) will have lied
ellos/ellas/Uds.habrán yacidothey will have lied

Subjunctive

Present subjunctive (Subjuntivo presente) Irregular

Used in subordinate clauses after expressions of desire, doubt, emotion, necessity, or impersonal statements. Triggered by a change of subject between the main and subordinate clause.

Espero que hable — I hope she speaks

PronounSpanish
yoyaga
yagas
vosyagas
él/ella/Ud.yaga
nosotrosyagamos
vosotrosyagáis
ellos/ellas/Uds.yagan

Imperfect subjunctive (-ra) (Subjuntivo imperfecto (-ra)) Regular

The past subjunctive used after past main verbs, in if-clauses with conditional, and for polite softening. The -ra form is more common in everyday speech than the -se form.

Si pudiera, lo haría — If I could, I would do it

PronounSpanish
yoyaciera
yacieras
vosyacieras
él/ella/Ud.yaciera
nosotrosyaciéramos
vosotrosyacierais
ellos/ellas/Uds.yacieran

Imperfect subjunctive (-se) (Subjuntivo imperfecto (-se)) Regular

The alternative past subjunctive form. Interchangeable with -ra in most contexts but slightly more literary or formal. Both forms are grammatically correct in all regions.

Si pudiese, lo haría — If I could, I would do it

PronounSpanish
yoyaciese
yacieses
vosyacieses
él/ella/Ud.yaciese
nosotrosyaciésemos
vosotrosyacieseis
ellos/ellas/Uds.yaciesen

Perfect subjunctive (Pretérito perfecto de subjuntivo) Regular

A compound subjunctive that expresses completed actions in a subjunctive context — used after present or future main verbs expressing doubt, emotion or desire.

Dudo que ya haya llegado — I doubt she has already arrived

PronounSpanish
yohaya yacido
hayas yacido
voshayas yacido
él/ella/Ud.haya yacido
nosotroshayamos yacido
vosotroshayáis yacido
ellos/ellas/Uds.hayan yacido

Pluperfect subjunctive (Pluscuamperfecto de subjuntivo) Regular

Expresses what had happened in hypothetical or unreal past contexts — the subjunctive equivalent of the pluperfect. Common in contrary-to-fact past conditions.

Si hubiera hablado, lo habrían creído — If she had spoken, they would have believed her

PronounSpanish
yohubiera yacido
hubieras yacido
voshubieras yacido
él/ella/Ud.hubiera yacido
nosotroshubiéramos yacido
vosotroshubierais yacido
ellos/ellas/Uds.hubieran yacido

Other forms

Imperative (affirmative) (Imperativo afirmativo) Irregular

Direct commands and instructions. The imperative only exists for tú, usted, nosotros, vosotros and ustedes — yo has no command form. Affirmative and negative forms use different conjugations.

Habla más despacio — Speak more slowly

PronounSpanish
yaz
vosyacé
él/ella/Ud.yaga
nosotrosyagamos
vosotrosyaced
ustedesyagan

Imperative (negative) (Imperativo negativo) Regular

Negative commands use the subjunctive forms for all persons. Formed with no + present subjunctive. This applies to all persons including tú where the affirmative uses a different form.

No hables tan rápido — Do not speak so fast

PronounSpanish
no yagas
vosno yagas
él/ella/Ud.no yaga
nosotrosno yagamos
vosotrosno yagáis
ustedesno yagan

Present progressive (Presente progresivo) Regular

Emphasises that an action is happening right now at this very moment. Less common than in English since the present tense already covers ongoing actions in Spanish.

Estoy hablando contigo — I am speaking with you

PronounSpanish
yoestoy yaciendo
estás yaciendo
vosestás yaciendo
él/ella/Ud.está yaciendo
nosotrosestamos yaciendo
vosotrosestáis yaciendo
ellos/ellas/Uds.están yaciendo

Preterite progressive (Pretérito indefinido progresivo) Regular

Describes an action that was in progress throughout a completed past period. Uses the preterite of estar + gerund to emphasise the ongoing nature within a defined timeframe.

Estuvo hablando toda la tarde — He was talking all afternoon

PronounSpanish
yoestuve yaciendo
estuviste yaciendo
vosestuviste yaciendo
él/ella/Ud.estuvo yaciendo
nosotrosestuvimos yaciendo
vosotrosestuvisteis yaciendo
ellos/ellas/Uds.estuvieron yaciendo

Imperfect progressive (Pretérito imperfecto progresivo) Regular

Emphasises an ongoing background action using the imperfect of estar + gerund. Layered on top of the imperfect which already conveys continuity — used for extra emphasis on the progressive nature.

Estaba hablando cuando entró — I was speaking when he came in

PronounSpanish
yoestaba yaciendo
estabas yaciendo
vosestabas yaciendo
él/ella/Ud.estaba yaciendo
nosotrosestábamos yaciendo
vosotrosestabais yaciendo
ellos/ellas/Uds.estaban yaciendo

Conditional progressive (Condicional progresivo) Regular

Expresses what would be in progress under hypothetical conditions. Uses the conditional of estar + gerund. Less common but used for emphasis on the ongoing nature of a hypothetical action.

Estaría hablando ahora si pudiera — I would be speaking now if I could

PronounSpanish
yoestaría yaciendo
estarías yaciendo
vosestarías yaciendo
él/ella/Ud.estaría yaciendo
nosotrosestaríamos yaciendo
vosotrosestaríais yaciendo
ellos/ellas/Uds.estarían yaciendo

Future progressive (Futuro progresivo) Regular

Describes an action that will be in progress at a future point, or expresses probability about an ongoing present action. Uses the future of estar + gerund.

Mañana a esta hora estaré viajando — At this time tomorrow I will be travelling

PronounSpanish
yoestaré yaciendo
estarás yaciendo
vosestarás yaciendo
él/ella/Ud.estará yaciendo
nosotrosestaremos yaciendo
vosotrosestaréis yaciendo
ellos/ellas/Uds.estarán yaciendo