decir

to say, to tellpor tiempo-ir irregular
participio dichogerundio diciendohe + participio he dichoestoy + gerundio estoy diciendo

Presentewhat is going on now

Presente

Present — what is happening now, and what happens habitually

yodigoI saynosotrosdecimoswe say
túdicesyou sayvosotrosdecísyou all say
él/ella/Ud.dicehe/she saysellos/Uds.dicenthey say

Pretérito perfecto

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

yohe dichoI have saidnosotroshemos dichowe have said
túhas dichoyou have saidvosotroshabéis dichoyou all have said
él/ella/Ud.ha dichohe/she has saidellos/Uds.han dichothey have said

Presente de subjuntivo

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

yodiga(that) I saynosotrosdigamos(that) we say
túdigas(that) you sayvosotrosdigáis(that) you all say
él/ella/Ud.diga(that) he/she saysellos/Uds.digan(that) they say

Perfecto de subjuntivo

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

yohaya dicho(that) I have saidnosotroshayamos dicho(that) we have said
túhayas dicho(that) you have saidvosotroshayáis dicho(that) you all have said
él/ella/Ud.haya dicho(that) he/she has saidellos/Uds.hayan dicho(that) they have said

Pasadowhat went on

Pretérito indefinido

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

yodijeI saidnosotrosdijimoswe said
túdijisteyou saidvosotrosdijisteisyou all said
él/ella/Ud.dijohe/she saidellos/Uds.dijeronthey said

Pretérito imperfecto

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

yodecíaI used to saynosotrosdecíamoswe used to say
túdecíasyou used to sayvosotrosdecíaisyou all used to say
él/ella/Ud.decíahe/she used to sayellos/Uds.decíanthey used to say

Pretérito pluscuamperfecto

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

yohabía dichoI had saidnosotroshabíamos dichowe had said
túhabías dichoyou had saidvosotroshabíais dichoyou all had said
él/ella/Ud.había dichohe/she had saidellos/Uds.habían dichothey had said

Imperfecto de subjuntivo (-ra)

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

yodijera(that) I saidnosotrosdijéramos(that) we said
túdijeras(that) you saidvosotrosdijerais(that) you all said
él/ella/Ud.dijera(that) he/she saidellos/Uds.dijeran(that) they said

Imperfecto de subjuntivo (-se)

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

yodijese(that) I saidnosotrosdijésemos(that) we said
túdijeses(that) you saidvosotrosdijeseis(that) you all said
él/ella/Ud.dijese(that) he/she saidellos/Uds.dijesen(that) they said

Pluscuamperfecto de subjuntivo

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

yohubiera dicho(that) I had saidnosotroshubiéramos dicho(that) we had said
túhubieras dicho(that) you had saidvosotroshubierais dicho(that) you all had said
él/ella/Ud.hubiera dicho(that) he/she had saidellos/Uds.hubieran dicho(that) they had said

Pretérito anterior

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

yohube dichoI had saidnosotroshubimos dichowe had said
túhubiste dichoyou had saidvosotroshubisteis dichoyou all had said
él/ella/Ud.hubo dichohe/she had saidellos/Uds.hubieron dichothey had said

Futurowhat will or would go on

Futuro simple

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

yodiréI will saynosotrosdiremoswe will say
túdirásyou will sayvosotrosdiréisyou all will say
él/ella/Ud.diráhe/she will sayellos/Uds.diránthey will say

Condicional simple

Conditional — would —; also softens a request into politeness

yodiríaI would saynosotrosdiríamoswe would say
túdiríasyou would sayvosotrosdiríaisyou all would say
él/ella/Ud.diríahe/she would sayellos/Uds.diríanthey would say

Futuro perfecto

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

yohabré dichoI will have saidnosotroshabremos dichowe will have said
túhabrás dichoyou will have saidvosotroshabréis dichoyou all will have said
él/ella/Ud.habrá dichohe/she will have saidellos/Uds.habrán dichothey will have said

Condicional perfecto

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

yohabría dichoI would have saidnosotroshabríamos dichowe would have said
túhabrías dichoyou would have saidvosotroshabríais dichoyou all would have said
él/ella/Ud.habría dichohe/she would have saidellos/Uds.habrían dichothey would have said

Futuro de subjuntivo

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

yodijere(should) I saynosotrosdijéremos(should) we say
túdijeres(should) you sayvosotrosdijereis(should) you all say
él/ella/Ud.dijere(should) he/she sayellos/Uds.dijeren(should) they say

Imperativotelling someone to

Imperativo afirmativo

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

yo—nosotrosdigamoslet's say
túdisay!vosotrosdecidsay!
él/ella/Ud.digasay!ellos/Uds.digansay!

Imperativo negativo

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

yo—nosotrosno digamoslet's not say
túno digasdon't sayvosotrosno digáisdon't say
él/ella/Ud.no digadon't sayellos/Uds.no digandon't say
Imagen. Objetos en reposo — traducido de Still Items (Aaron Burden · stocksnap · CC0)

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

decir

to say, to tellpor persona-ir irregular
participio dichogerundio diciendohe + participio he dichoestoy + gerundio estoy diciendo

yo

I — the speaker

PresentedigoI say
Perfectohe dichoI have said
Subj. presentediga(that) I say
Subj. perfectohaya dicho(that) I have said
FuturodiréI will say
CondicionaldiríaI would say
Fut. perfectohabré dichoI will have said
Cond. perfectohabría dichoI would have said
Subj. futurodijere(should) I say
IndefinidodijeI said
ImperfectodecíaI used to say
Pluscuamp.había dichoI had said
Subj. imperf.dijera(that) I said
Subj. -sedijese(that) I said
Subj. pluscuamp.hubiera dicho(that) I had said
Pret. anteriorhube dichoI had said
Imperativo—
Imper. negativo—

nosotros / nosotras

we — the speaker plus others

Presentedecimoswe say
Perfectohemos dichowe have said
Subj. presentedigamos(that) we say
Subj. perfectohayamos dicho(that) we have said
Futurodiremoswe will say
Condicionaldiríamoswe would say
Fut. perfectohabremos dichowe will have said
Cond. perfectohabríamos dichowe would have said
Subj. futurodijéremos(should) we say
Indefinidodijimoswe said
Imperfectodecíamoswe used to say
Pluscuamp.habíamos dichowe had said
Subj. imperf.dijéramos(that) we said
Subj. -sedijésemos(that) we said
Subj. pluscuamp.hubiéramos dicho(that) we had said
Pret. anteriorhubimos dichowe had said
Imperativodigamoslet's say
Imper. negativono digamoslet's not say

tú

you (informal) — one person you are familiar with

Presentedicesyou say
Perfectohas dichoyou have said
Subj. presentedigas(that) you say
Subj. perfectohayas dicho(that) you have said
Futurodirásyou will say
Condicionaldiríasyou would say
Fut. perfectohabrás dichoyou will have said
Cond. perfectohabrías dichoyou would have said
Subj. futurodijeres(should) you say
Indefinidodijisteyou said
Imperfectodecíasyou used to say
Pluscuamp.habías dichoyou had said
Subj. imperf.dijeras(that) you said
Subj. -sedijeses(that) you said
Subj. pluscuamp.hubieras dicho(that) you had said
Pret. anteriorhubiste dichoyou had said
Imperativodisay!
Imper. negativono digasdon't say

vosotros / vosotras

you all — informal plural, Spain only

Presentedecísyou all say
Perfectohabéis dichoyou all have said
Subj. presentedigáis(that) you all say
Subj. perfectohayáis dicho(that) you all have said
Futurodiréisyou all will say
Condicionaldiríaisyou all would say
Fut. perfectohabréis dichoyou all will have said
Cond. perfectohabríais dichoyou all would have said
Subj. futurodijereis(should) you all say
Indefinidodijisteisyou all said
Imperfectodecíaisyou all used to say
Pluscuamp.habíais dichoyou all had said
Subj. imperf.dijerais(that) you all said
Subj. -sedijeseis(that) you all said
Subj. pluscuamp.hubierais dicho(that) you all had said
Pret. anteriorhubisteis dichoyou all had said
Imperativodecidsay!
Imper. negativono digáisdon't say

él / ella / usted

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

Presentedicehe/she says
Perfectoha dichohe/she has said
Subj. presentediga(that) he/she says
Subj. perfectohaya dicho(that) he/she has said
Futurodiráhe/she will say
Condicionaldiríahe/she would say
Fut. perfectohabrá dichohe/she will have said
Cond. perfectohabría dichohe/she would have said
Subj. futurodijere(should) he/she say
Indefinidodijohe/she said
Imperfectodecíahe/she used to say
Pluscuamp.había dichohe/she had said
Subj. imperf.dijera(that) he/she said
Subj. -sedijese(that) he/she said
Subj. pluscuamp.hubiera dicho(that) he/she had said
Pret. anteriorhubo dichohe/she had said
Imperativodigasay!
Imper. negativono digadon't say

ellos / ellas / ustedes

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

Presentedicenthey say
Perfectohan dichothey have said
Subj. presentedigan(that) they say
Subj. perfectohayan dicho(that) they have said
Futurodiránthey will say
Condicionaldiríanthey would say
Fut. perfectohabrán dichothey will have said
Cond. perfectohabrían dichothey would have said
Subj. futurodijeren(should) they say
Indefinidodijeronthey said
Imperfectodecíanthey used to say
Pluscuamp.habían dichothey had said
Subj. imperf.dijeran(that) they said
Subj. -sedijesen(that) they said
Subj. pluscuamp.hubieran dicho(that) they had said
Pret. anteriorhubieron dichothey had said
Imperativodigansay!
Imper. negativono digandon't say
Imagen. Objetos en reposo — traducido de Still Items (Aaron Burden · stocksnap · CC0)

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