poder

can, to be able topor tiempo-er irregular
participio podidogerundio pudiendohe + participio he podidoestoy + gerundio estoy pudiendo

Presentewhat is going on now

Presente

Present — what is happening now, and what happens habitually

yopuedoI cannosotrospodemoswe can
túpuedesyou canvosotrospodéisyou all can
él/ella/Ud.puedehe/she canellos/Uds.puedenthey can

Pretérito perfecto

Present perfect — have —ed; a past still touching now. Spain: today, this week. Latin America: mostly the indefinido instead

yohe podidoI have been able tonosotroshemos podidowe have been able to
túhas podidoyou have been able tovosotroshabéis podidoyou all have been able to
él/ella/Ud.ha podidohe/she has been able toellos/Uds.han podidothey have been able to

Presente de subjuntivo

Present subjunctive — after que with wishes, doubt, emotion, ojalá

yopueda(that) I cannosotrospodamos(that) we can
túpuedas(that) you canvosotrospodáis(that) you all can
él/ella/Ud.pueda(that) he/she canellos/Uds.puedan(that) they can

Perfecto de subjuntivo

Present perfect subjunctive — have —ed, under doubt or emotion: no creo que haya venido

yohaya podido(that) I have been able tonosotroshayamos podido(that) we have been able to
túhayas podido(that) you have been able tovosotroshayáis podido(that) you all have been able to
él/ella/Ud.haya podido(that) he/she has been able toellos/Uds.hayan podido(that) they have been able to

Pasadowhat went on

Pretérito indefinido

Preterite — a finished past action — it started, it ended

yopudeI couldnosotrospudimoswe could
túpudisteyou couldvosotrospudisteisyou all could
él/ella/Ud.pudohe/she couldellos/Uds.pudieronthey could

Pretérito imperfecto

Imperfect — used to / was —ing; background, habits, descriptions

yopodíaI used to be able tonosotrospodíamoswe used to be able to
túpodíasyou used to be able tovosotrospodíaisyou all used to be able to
él/ella/Ud.podíahe/she used to be able toellos/Uds.podíanthey used to be able to

Pretérito pluscuamperfecto

Past perfect — had —ed; further back than another past event

yohabía podidoI had been able tonosotroshabíamos podidowe had been able to
túhabías podidoyou had been able tovosotroshabíais podidoyou all had been able to
él/ella/Ud.había podidohe/she had been able toellos/Uds.habían podidothey had been able to

Imperfecto de subjuntivo (-ra)

Imperfect subjunctive — si clauses and past-tense wishes: si tuviera, quería que fuera

yopudiera(that) I couldnosotrospudiéramos(that) we could
túpudieras(that) you couldvosotrospudierais(that) you all could
él/ella/Ud.pudiera(that) he/she couldellos/Uds.pudieran(that) they could

Imperfecto de subjuntivo (-se)

Imperfect subjunctive — the same tense, second form; commoner in Spain and in writing

yopudiese(that) I couldnosotrospudiésemos(that) we could
túpudieses(that) you couldvosotrospudieseis(that) you all could
él/ella/Ud.pudiese(that) he/she couldellos/Uds.pudiesen(that) they could

Pluscuamperfecto de subjuntivo

Past perfect subjunctive — had —ed, hypothetically: si hubiera sabido

yohubiera podido(that) I had been able tonosotroshubiéramos podido(that) we had been able to
túhubieras podido(that) you had been able tovosotroshubierais podido(that) you all had been able to
él/ella/Ud.hubiera podido(that) he/she had been able toellos/Uds.hubieran podido(that) they had been able to

Pretérito anterior

Preterite perfect — had —ed, immediately before; literary, all but extinct

yohube podidoI had been able tonosotroshubimos podidowe had been able to
túhubiste podidoyou had been able tovosotroshubisteis podidoyou all had been able to
él/ella/Ud.hubo podidohe/she had been able toellos/Uds.hubieron podidothey had been able to

Futurowhat will or would go on

Futuro simple

Future — will — (spoken Spanish often prefers voy a + infinitivo)

yopodréI will be able tonosotrospodremoswe will be able to
túpodrásyou will be able tovosotrospodréisyou all will be able to
él/ella/Ud.podráhe/she will be able toellos/Uds.podránthey will be able to

Condicional simple

Conditional — would —; also softens a request into politeness

yopodríaI would be able tonosotrospodríamoswe would be able to
túpodríasyou would be able tovosotrospodríaisyou all would be able to
él/ella/Ud.podríahe/she would be able toellos/Uds.podríanthey would be able to

Futuro perfecto

Future perfect — will have —ed; done by some future point

yohabré podidoI will have been able tonosotroshabremos podidowe will have been able to
túhabrás podidoyou will have been able tovosotroshabréis podidoyou all will have been able to
él/ella/Ud.habrá podidohe/she will have been able toellos/Uds.habrán podidothey will have been able to

Condicional perfecto

Conditional perfect — would have —ed; the road not taken

yohabría podidoI would have been able tonosotroshabríamos podidowe would have been able to
túhabrías podidoyou would have been able tovosotroshabríais podidoyou all would have been able to
él/ella/Ud.habría podidohe/she would have been able toellos/Uds.habrían podidothey would have been able to

Futuro de subjuntivo

Future subjunctive — legal and proverbial only: adonde fueres, haz lo que vieres

yopudiere(should) I be able tonosotrospudiéremos(should) we be able to
túpudieres(should) you be able tovosotrospudiereis(should) you all be able to
él/ella/Ud.pudiere(should) he/she be able toellos/Uds.pudieren(should) they be able to

Imperativotelling someone to

Imperativo afirmativo

Imperative (do it) — orders and requests; there is no yo form

yo—nosotrospodamoslet's be able to
túpuedebe able to!vosotrospodedbe able to!
él/ella/Ud.puedabe able to!ellos/Uds.puedanbe able to!

Imperativo negativo

Imperative (don't) — no + subjunctive — never the affirmative form with no in front

yo—nosotrosno podamoslet's not be able to
túno puedasdon't be able tovosotrosno podáisdon't be able to
él/ella/Ud.no puedadon't be able toellos/Uds.no puedandon't be able to
PresenteNo puedo abrir esta ventana.I can't open this window.
Presente de subjuntivoDudo que puedan llegar a tiempo.I doubt they can arrive on time.
Pretérito indefinidoAl final pudimos entrar.In the end we managed to get in.
Pretérito imperfectoDe pequeño no podía dormir solo.As a child I couldn't sleep alone.
Futuro simplePodrás descansar mañana.You'll be able to rest tomorrow.
Condicional simple¿Podrías ayudarme un momento?Could you help me for a moment?
An o→ue boot verb: the change hits yo/tú/él/ellos but skips nosotros and vosotros — that gap is the 'boot'. The preterite is strong (pude, not *podí) and often means 'managed to'; the negative pudo means 'failed to'.
Imagen. La cima del monte Amphitheater alzándose sobre las nubes — traducido de Amphitheater Mountain summit rising above the clouds (YellowstoneNPS · flickr · PDM)

Red = the form breaks the regular pattern. Everything in black you could have worked out from the endings alone.

poder

can, to be able topor persona-er irregular
participio podidogerundio pudiendohe + participio he podidoestoy + gerundio estoy pudiendo

yo

I — the speaker

PresentepuedoI can
Perfectohe podidoI have been able to
Subj. presentepueda(that) I can
Subj. perfectohaya podido(that) I have been able to
FuturopodréI will be able to
CondicionalpodríaI would be able to
Fut. perfectohabré podidoI will have been able to
Cond. perfectohabría podidoI would have been able to
Subj. futuropudiere(should) I be able to
IndefinidopudeI could
ImperfectopodíaI used to be able to
Pluscuamp.había podidoI had been able to
Subj. imperf.pudiera(that) I could
Subj. -sepudiese(that) I could
Subj. pluscuamp.hubiera podido(that) I had been able to
Pret. anteriorhube podidoI had been able to
Imperativo—
Imper. negativo—

nosotros / nosotras

we — the speaker plus others

Presentepodemoswe can
Perfectohemos podidowe have been able to
Subj. presentepodamos(that) we can
Subj. perfectohayamos podido(that) we have been able to
Futuropodremoswe will be able to
Condicionalpodríamoswe would be able to
Fut. perfectohabremos podidowe will have been able to
Cond. perfectohabríamos podidowe would have been able to
Subj. futuropudiéremos(should) we be able to
Indefinidopudimoswe could
Imperfectopodíamoswe used to be able to
Pluscuamp.habíamos podidowe had been able to
Subj. imperf.pudiéramos(that) we could
Subj. -sepudiésemos(that) we could
Subj. pluscuamp.hubiéramos podido(that) we had been able to
Pret. anteriorhubimos podidowe had been able to
Imperativopodamoslet's be able to
Imper. negativono podamoslet's not be able to

tú

you (informal) — one person you are familiar with

Presentepuedesyou can
Perfectohas podidoyou have been able to
Subj. presentepuedas(that) you can
Subj. perfectohayas podido(that) you have been able to
Futuropodrásyou will be able to
Condicionalpodríasyou would be able to
Fut. perfectohabrás podidoyou will have been able to
Cond. perfectohabrías podidoyou would have been able to
Subj. futuropudieres(should) you be able to
Indefinidopudisteyou could
Imperfectopodíasyou used to be able to
Pluscuamp.habías podidoyou had been able to
Subj. imperf.pudieras(that) you could
Subj. -sepudieses(that) you could
Subj. pluscuamp.hubieras podido(that) you had been able to
Pret. anteriorhubiste podidoyou had been able to
Imperativopuedebe able to!
Imper. negativono puedasdon't be able to

vosotros / vosotras

you all — informal plural, Spain only

Presentepodéisyou all can
Perfectohabéis podidoyou all have been able to
Subj. presentepodáis(that) you all can
Subj. perfectohayáis podido(that) you all have been able to
Futuropodréisyou all will be able to
Condicionalpodríaisyou all would be able to
Fut. perfectohabréis podidoyou all will have been able to
Cond. perfectohabríais podidoyou all would have been able to
Subj. futuropudiereis(should) you all be able to
Indefinidopudisteisyou all could
Imperfectopodíaisyou all used to be able to
Pluscuamp.habíais podidoyou all had been able to
Subj. imperf.pudierais(that) you all could
Subj. -sepudieseis(that) you all could
Subj. pluscuamp.hubierais podido(that) you all had been able to
Pret. anteriorhubisteis podidoyou all had been able to
Imperativopodedbe able to!
Imper. negativono podáisdon't be able to

él / ella / usted

he, she, you (formal) — one other person — formal you shares it

Presentepuedehe/she can
Perfectoha podidohe/she has been able to
Subj. presentepueda(that) he/she can
Subj. perfectohaya podido(that) he/she has been able to
Futuropodráhe/she will be able to
Condicionalpodríahe/she would be able to
Fut. perfectohabrá podidohe/she will have been able to
Cond. perfectohabría podidohe/she would have been able to
Subj. futuropudiere(should) he/she be able to
Indefinidopudohe/she could
Imperfectopodíahe/she used to be able to
Pluscuamp.había podidohe/she had been able to
Subj. imperf.pudiera(that) he/she could
Subj. -sepudiese(that) he/she could
Subj. pluscuamp.hubiera podido(that) he/she had been able to
Pret. anteriorhubo podidohe/she had been able to
Imperativopuedabe able to!
Imper. negativono puedadon't be able to

ellos / ellas / ustedes

they, you all — several others — plural you shares it

Presentepuedenthey can
Perfectohan podidothey have been able to
Subj. presentepuedan(that) they can
Subj. perfectohayan podido(that) they have been able to
Futuropodránthey will be able to
Condicionalpodríanthey would be able to
Fut. perfectohabrán podidothey will have been able to
Cond. perfectohabrían podidothey would have been able to
Subj. futuropudieren(should) they be able to
Indefinidopudieronthey could
Imperfectopodíanthey used to be able to
Pluscuamp.habían podidothey had been able to
Subj. imperf.pudieran(that) they could
Subj. -sepudiesen(that) they could
Subj. pluscuamp.hubieran podido(that) they had been able to
Pret. anteriorhubieron podidothey had been able to
Imperativopuedanbe able to!
Imper. negativono puedandon't be able to
PresenteNo puedo abrir esta ventana.I can't open this window.
Presente de subjuntivoDudo que puedan llegar a tiempo.I doubt they can arrive on time.
Pretérito indefinidoAl final pudimos entrar.In the end we managed to get in.
Pretérito imperfectoDe pequeño no podía dormir solo.As a child I couldn't sleep alone.
Futuro simplePodrás descansar mañana.You'll be able to rest tomorrow.
Condicional simple¿Podrías ayudarme un momento?Could you help me for a moment?
An o→ue boot verb: the change hits yo/tú/él/ellos but skips nosotros and vosotros — that gap is the 'boot'. The preterite is strong (pude, not *podí) and often means 'managed to'; the negative pudo means 'failed to'.
Imagen. La cima del monte Amphitheater alzándose sobre las nubes — traducido de Amphitheater Mountain summit rising above the clouds (YellowstoneNPS · flickr · PDM)

Red = the form breaks the regular pattern. Everything in black you could have worked out from the endings alone.