empezar

to beginpor tiempo-ar · cambio radical e→ie
participio empezadogerundio empezandohe + participio he empezadoestoy + gerundio estoy empezando

Presentewhat is going on now

Presente

Present — what is happening now, and what happens habitually

yoempiezoI beginnosotrosempezamoswe begin
túempiezasyou beginvosotrosempezáisyou all begin
él/ella/Ud.empiezahe/she beginsellos/Uds.empiezanthey begin

Pretérito perfecto

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

yohe empezadoI have begunnosotroshemos empezadowe have begun
túhas empezadoyou have begunvosotroshabéis empezadoyou all have begun
él/ella/Ud.ha empezadohe/she has begunellos/Uds.han empezadothey have begun

Presente de subjuntivo

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

yoempiece(that) I beginnosotrosempecemos(that) we begin
túempieces(that) you beginvosotrosempecéis(that) you all begin
él/ella/Ud.empiece(that) he/she beginsellos/Uds.empiecen(that) they begin

Perfecto de subjuntivo

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

yohaya empezado(that) I have begunnosotroshayamos empezado(that) we have begun
túhayas empezado(that) you have begunvosotroshayáis empezado(that) you all have begun
él/ella/Ud.haya empezado(that) he/she has begunellos/Uds.hayan empezado(that) they have begun

Pasadowhat went on

Pretérito indefinido

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

yoempecéI begannosotrosempezamoswe began
túempezasteyou beganvosotrosempezasteisyou all began
él/ella/Ud.empezóhe/she beganellos/Uds.empezaronthey began

Pretérito imperfecto

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

yoempezabaI used to beginnosotrosempezábamoswe used to begin
túempezabasyou used to beginvosotrosempezabaisyou all used to begin
él/ella/Ud.empezabahe/she used to beginellos/Uds.empezabanthey used to begin

Pretérito pluscuamperfecto

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

yohabía empezadoI had begunnosotroshabíamos empezadowe had begun
túhabías empezadoyou had begunvosotroshabíais empezadoyou all had begun
él/ella/Ud.había empezadohe/she had begunellos/Uds.habían empezadothey had begun

Imperfecto de subjuntivo (-ra)

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

yoempezara(that) I begannosotrosempezáramos(that) we began
túempezaras(that) you beganvosotrosempezarais(that) you all began
él/ella/Ud.empezara(that) he/she beganellos/Uds.empezaran(that) they began

Imperfecto de subjuntivo (-se)

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

yoempezase(that) I begannosotrosempezásemos(that) we began
túempezases(that) you beganvosotrosempezaseis(that) you all began
él/ella/Ud.empezase(that) he/she beganellos/Uds.empezasen(that) they began

Pluscuamperfecto de subjuntivo

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

yohubiera empezado(that) I had begunnosotroshubiéramos empezado(that) we had begun
túhubieras empezado(that) you had begunvosotroshubierais empezado(that) you all had begun
él/ella/Ud.hubiera empezado(that) he/she had begunellos/Uds.hubieran empezado(that) they had begun

Pretérito anterior

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

yohube empezadoI had begunnosotroshubimos empezadowe had begun
túhubiste empezadoyou had begunvosotroshubisteis empezadoyou all had begun
él/ella/Ud.hubo empezadohe/she had begunellos/Uds.hubieron empezadothey had begun

Futurowhat will or would go on

Futuro simple

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

yoempezaréI will beginnosotrosempezaremoswe will begin
túempezarásyou will beginvosotrosempezaréisyou all will begin
él/ella/Ud.empezaráhe/she will beginellos/Uds.empezaránthey will begin

Condicional simple

Conditional — would —; also softens a request into politeness

yoempezaríaI would beginnosotrosempezaríamoswe would begin
túempezaríasyou would beginvosotrosempezaríaisyou all would begin
él/ella/Ud.empezaríahe/she would beginellos/Uds.empezaríanthey would begin

Futuro perfecto

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

yohabré empezadoI will have begunnosotroshabremos empezadowe will have begun
túhabrás empezadoyou will have begunvosotroshabréis empezadoyou all will have begun
él/ella/Ud.habrá empezadohe/she will have begunellos/Uds.habrán empezadothey will have begun

Condicional perfecto

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

yohabría empezadoI would have begunnosotroshabríamos empezadowe would have begun
túhabrías empezadoyou would have begunvosotroshabríais empezadoyou all would have begun
él/ella/Ud.habría empezadohe/she would have begunellos/Uds.habrían empezadothey would have begun

Futuro de subjuntivo

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

yoempezare(should) I beginnosotrosempezáremos(should) we begin
túempezares(should) you beginvosotrosempezareis(should) you all begin
él/ella/Ud.empezare(should) he/she beginellos/Uds.empezaren(should) they begin

Imperativotelling someone to

Imperativo afirmativo

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

yo—nosotrosempecemoslet's begin
túempiezabegin!vosotrosempezadbegin!
él/ella/Ud.empiecebegin!ellos/Uds.empiecenbegin!

Imperativo negativo

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

yo—nosotrosno empecemoslet's not begin
túno empiecesdon't beginvosotrosno empecéisdon't begin
él/ella/Ud.no empiecedon't beginellos/Uds.no empiecendon't begin
Imagen. Cuaderno y bolígrafo — traducido de Notebook Pen (Negative Space · stocksnap · CC0)

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

empezar

to beginpor persona-ar · cambio radical e→ie
participio empezadogerundio empezandohe + participio he empezadoestoy + gerundio estoy empezando

yo

I — the speaker

PresenteempiezoI begin
Perfectohe empezadoI have begun
Subj. presenteempiece(that) I begin
Subj. perfectohaya empezado(that) I have begun
FuturoempezaréI will begin
CondicionalempezaríaI would begin
Fut. perfectohabré empezadoI will have begun
Cond. perfectohabría empezadoI would have begun
Subj. futuroempezare(should) I begin
IndefinidoempecéI began
ImperfectoempezabaI used to begin
Pluscuamp.había empezadoI had begun
Subj. imperf.empezara(that) I began
Subj. -seempezase(that) I began
Subj. pluscuamp.hubiera empezado(that) I had begun
Pret. anteriorhube empezadoI had begun
Imperativo—
Imper. negativo—

nosotros / nosotras

we — the speaker plus others

Presenteempezamoswe begin
Perfectohemos empezadowe have begun
Subj. presenteempecemos(that) we begin
Subj. perfectohayamos empezado(that) we have begun
Futuroempezaremoswe will begin
Condicionalempezaríamoswe would begin
Fut. perfectohabremos empezadowe will have begun
Cond. perfectohabríamos empezadowe would have begun
Subj. futuroempezáremos(should) we begin
Indefinidoempezamoswe began
Imperfectoempezábamoswe used to begin
Pluscuamp.habíamos empezadowe had begun
Subj. imperf.empezáramos(that) we began
Subj. -seempezásemos(that) we began
Subj. pluscuamp.hubiéramos empezado(that) we had begun
Pret. anteriorhubimos empezadowe had begun
Imperativoempecemoslet's begin
Imper. negativono empecemoslet's not begin

tú

you (informal) — one person you are familiar with

Presenteempiezasyou begin
Perfectohas empezadoyou have begun
Subj. presenteempieces(that) you begin
Subj. perfectohayas empezado(that) you have begun
Futuroempezarásyou will begin
Condicionalempezaríasyou would begin
Fut. perfectohabrás empezadoyou will have begun
Cond. perfectohabrías empezadoyou would have begun
Subj. futuroempezares(should) you begin
Indefinidoempezasteyou began
Imperfectoempezabasyou used to begin
Pluscuamp.habías empezadoyou had begun
Subj. imperf.empezaras(that) you began
Subj. -seempezases(that) you began
Subj. pluscuamp.hubieras empezado(that) you had begun
Pret. anteriorhubiste empezadoyou had begun
Imperativoempiezabegin!
Imper. negativono empiecesdon't begin

vosotros / vosotras

you all — informal plural, Spain only

Presenteempezáisyou all begin
Perfectohabéis empezadoyou all have begun
Subj. presenteempecéis(that) you all begin
Subj. perfectohayáis empezado(that) you all have begun
Futuroempezaréisyou all will begin
Condicionalempezaríaisyou all would begin
Fut. perfectohabréis empezadoyou all will have begun
Cond. perfectohabríais empezadoyou all would have begun
Subj. futuroempezareis(should) you all begin
Indefinidoempezasteisyou all began
Imperfectoempezabaisyou all used to begin
Pluscuamp.habíais empezadoyou all had begun
Subj. imperf.empezarais(that) you all began
Subj. -seempezaseis(that) you all began
Subj. pluscuamp.hubierais empezado(that) you all had begun
Pret. anteriorhubisteis empezadoyou all had begun
Imperativoempezadbegin!
Imper. negativono empecéisdon't begin

él / ella / usted

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

Presenteempiezahe/she begins
Perfectoha empezadohe/she has begun
Subj. presenteempiece(that) he/she begins
Subj. perfectohaya empezado(that) he/she has begun
Futuroempezaráhe/she will begin
Condicionalempezaríahe/she would begin
Fut. perfectohabrá empezadohe/she will have begun
Cond. perfectohabría empezadohe/she would have begun
Subj. futuroempezare(should) he/she begin
Indefinidoempezóhe/she began
Imperfectoempezabahe/she used to begin
Pluscuamp.había empezadohe/she had begun
Subj. imperf.empezara(that) he/she began
Subj. -seempezase(that) he/she began
Subj. pluscuamp.hubiera empezado(that) he/she had begun
Pret. anteriorhubo empezadohe/she had begun
Imperativoempiecebegin!
Imper. negativono empiecedon't begin

ellos / ellas / ustedes

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

Presenteempiezanthey begin
Perfectohan empezadothey have begun
Subj. presenteempiecen(that) they begin
Subj. perfectohayan empezado(that) they have begun
Futuroempezaránthey will begin
Condicionalempezaríanthey would begin
Fut. perfectohabrán empezadothey will have begun
Cond. perfectohabrían empezadothey would have begun
Subj. futuroempezaren(should) they begin
Indefinidoempezaronthey began
Imperfectoempezabanthey used to begin
Pluscuamp.habían empezadothey had begun
Subj. imperf.empezaran(that) they began
Subj. -seempezasen(that) they began
Subj. pluscuamp.hubieran empezado(that) they had begun
Pret. anteriorhubieron empezadothey had begun
Imperativoempiecenbegin!
Imper. negativono empiecendon't begin
Imagen. Cuaderno y bolígrafo — traducido de Notebook Pen (Negative Space · stocksnap · CC0)

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