perder
to losePresentewhat is going on now
Presente
Present — what is happening now, and what happens habitually
| yo | pierdoI lose | nosotros | perdemoswe lose |
| tú | pierdesyou lose | vosotros | perdéisyou all lose |
| él/ella/Ud. | pierdehe/she loses | ellos/Uds. | pierdenthey lose |
Pretérito perfecto
Present perfect — have —ed; a past still touching now. Spain: today, this week. Latin America: mostly the indefinido instead
| yo | he perdidoI have lost | nosotros | hemos perdidowe have lost |
| tú | has perdidoyou have lost | vosotros | habéis perdidoyou all have lost |
| él/ella/Ud. | ha perdidohe/she has lost | ellos/Uds. | han perdidothey have lost |
Presente de subjuntivo
Present subjunctive — after que with wishes, doubt, emotion, ojalá
| yo | pierda(that) I lose | nosotros | perdamos(that) we lose |
| tú | pierdas(that) you lose | vosotros | perdáis(that) you all lose |
| él/ella/Ud. | pierda(that) he/she loses | ellos/Uds. | pierdan(that) they lose |
Perfecto de subjuntivo
Present perfect subjunctive — have —ed, under doubt or emotion: no creo que haya venido
| yo | haya perdido(that) I have lost | nosotros | hayamos perdido(that) we have lost |
| tú | hayas perdido(that) you have lost | vosotros | hayáis perdido(that) you all have lost |
| él/ella/Ud. | haya perdido(that) he/she has lost | ellos/Uds. | hayan perdido(that) they have lost |
Pasadowhat went on
Pretérito indefinido
Preterite — a finished past action — it started, it ended
| yo | perdíI lost | nosotros | perdimoswe lost |
| tú | perdisteyou lost | vosotros | perdisteisyou all lost |
| él/ella/Ud. | perdióhe/she lost | ellos/Uds. | perdieronthey lost |
Pretérito imperfecto
Imperfect — used to / was —ing; background, habits, descriptions
| yo | perdíaI used to lose | nosotros | perdíamoswe used to lose |
| tú | perdíasyou used to lose | vosotros | perdíaisyou all used to lose |
| él/ella/Ud. | perdíahe/she used to lose | ellos/Uds. | perdíanthey used to lose |
Pretérito pluscuamperfecto
Past perfect — had —ed; further back than another past event
| yo | había perdidoI had lost | nosotros | habíamos perdidowe had lost |
| tú | habías perdidoyou had lost | vosotros | habíais perdidoyou all had lost |
| él/ella/Ud. | había perdidohe/she had lost | ellos/Uds. | habían perdidothey had lost |
Imperfecto de subjuntivo (-ra)
Imperfect subjunctive — si clauses and past-tense wishes: si tuviera, quería que fuera
| yo | perdiera(that) I lost | nosotros | perdiéramos(that) we lost |
| tú | perdieras(that) you lost | vosotros | perdierais(that) you all lost |
| él/ella/Ud. | perdiera(that) he/she lost | ellos/Uds. | perdieran(that) they lost |
Imperfecto de subjuntivo (-se)
Imperfect subjunctive — the same tense, second form; commoner in Spain and in writing
| yo | perdiese(that) I lost | nosotros | perdiésemos(that) we lost |
| tú | perdieses(that) you lost | vosotros | perdieseis(that) you all lost |
| él/ella/Ud. | perdiese(that) he/she lost | ellos/Uds. | perdiesen(that) they lost |
Pluscuamperfecto de subjuntivo
Past perfect subjunctive — had —ed, hypothetically: si hubiera sabido
| yo | hubiera perdido(that) I had lost | nosotros | hubiéramos perdido(that) we had lost |
| tú | hubieras perdido(that) you had lost | vosotros | hubierais perdido(that) you all had lost |
| él/ella/Ud. | hubiera perdido(that) he/she had lost | ellos/Uds. | hubieran perdido(that) they had lost |
Pretérito anterior
Preterite perfect — had —ed, immediately before; literary, all but extinct
| yo | hube perdidoI had lost | nosotros | hubimos perdidowe had lost |
| tú | hubiste perdidoyou had lost | vosotros | hubisteis perdidoyou all had lost |
| él/ella/Ud. | hubo perdidohe/she had lost | ellos/Uds. | hubieron perdidothey had lost |
Futurowhat will or would go on
Futuro simple
Future — will — (spoken Spanish often prefers voy a + infinitivo)
| yo | perderéI will lose | nosotros | perderemoswe will lose |
| tú | perderásyou will lose | vosotros | perderéisyou all will lose |
| él/ella/Ud. | perderáhe/she will lose | ellos/Uds. | perderánthey will lose |
Condicional simple
Conditional — would —; also softens a request into politeness
| yo | perderíaI would lose | nosotros | perderíamoswe would lose |
| tú | perderíasyou would lose | vosotros | perderíaisyou all would lose |
| él/ella/Ud. | perderíahe/she would lose | ellos/Uds. | perderíanthey would lose |
Futuro perfecto
Future perfect — will have —ed; done by some future point
| yo | habré perdidoI will have lost | nosotros | habremos perdidowe will have lost |
| tú | habrás perdidoyou will have lost | vosotros | habréis perdidoyou all will have lost |
| él/ella/Ud. | habrá perdidohe/she will have lost | ellos/Uds. | habrán perdidothey will have lost |
Condicional perfecto
Conditional perfect — would have —ed; the road not taken
| yo | habría perdidoI would have lost | nosotros | habríamos perdidowe would have lost |
| tú | habrías perdidoyou would have lost | vosotros | habríais perdidoyou all would have lost |
| él/ella/Ud. | habría perdidohe/she would have lost | ellos/Uds. | habrían perdidothey would have lost |
Futuro de subjuntivo
Future subjunctive — legal and proverbial only: adonde fueres, haz lo que vieres
| yo | perdiere(should) I lose | nosotros | perdiéremos(should) we lose |
| tú | perdieres(should) you lose | vosotros | perdiereis(should) you all lose |
| él/ella/Ud. | perdiere(should) he/she lose | ellos/Uds. | perdieren(should) they lose |
Imperativotelling someone to
Imperativo afirmativo
Imperative (do it) — orders and requests; there is no yo form
| yo | — | nosotros | perdamoslet's lose |
| tú | pierdelose! | vosotros | perdedlose! |
| él/ella/Ud. | pierdalose! | ellos/Uds. | pierdanlose! |
Imperativo negativo
Imperative (don't) — no + subjunctive — never the affirmative form with no in front
| yo | — | nosotros | no perdamoslet's not lose |
| tú | no pierdasdon't lose | vosotros | no perdáisdon't lose |
| él/ella/Ud. | no pierdadon't lose | ellos/Uds. | no pierdandon't lose |
Red = the form breaks the regular pattern. Everything in black you could have worked out from the endings alone.