Present — what is happening now, and what happens habitually
| yo | asistoI attend | nosotros | asistimoswe attend |
| tú | asistesyou attend | vosotros | asistísyou all attend |
| él/ella/Ud. | asistehe/she attends | ellos/Uds. | asistenthey attend |
Present perfect — have —ed; a past still touching now. Spain: today, this week. Latin America: mostly the indefinido instead
| yo | he asistidoI have attended | nosotros | hemos asistidowe have attended |
| tú | has asistidoyou have attended | vosotros | habéis asistidoyou all have attended |
| él/ella/Ud. | ha asistidohe/she has attended | ellos/Uds. | han asistidothey have attended |
Present subjunctive — after que with wishes, doubt, emotion, ojalá
| yo | asista(that) I attend | nosotros | asistamos(that) we attend |
| tú | asistas(that) you attend | vosotros | asistáis(that) you all attend |
| él/ella/Ud. | asista(that) he/she attends | ellos/Uds. | asistan(that) they attend |
Present perfect subjunctive — have —ed, under doubt or emotion: no creo que haya venido
| yo | haya asistido(that) I have attended | nosotros | hayamos asistido(that) we have attended |
| tú | hayas asistido(that) you have attended | vosotros | hayáis asistido(that) you all have attended |
| él/ella/Ud. | haya asistido(that) he/she has attended | ellos/Uds. | hayan asistido(that) they have attended |
Preterite — a finished past action — it started, it ended
| yo | asistíI attended | nosotros | asistimoswe attended |
| tú | asististeyou attended | vosotros | asististeisyou all attended |
| él/ella/Ud. | asistióhe/she attended | ellos/Uds. | asistieronthey attended |
Imperfect — used to / was —ing; background, habits, descriptions
| yo | asistíaI used to attend | nosotros | asistíamoswe used to attend |
| tú | asistíasyou used to attend | vosotros | asistíaisyou all used to attend |
| él/ella/Ud. | asistíahe/she used to attend | ellos/Uds. | asistíanthey used to attend |
Past perfect — had —ed; further back than another past event
| yo | había asistidoI had attended | nosotros | habíamos asistidowe had attended |
| tú | habías asistidoyou had attended | vosotros | habíais asistidoyou all had attended |
| él/ella/Ud. | había asistidohe/she had attended | ellos/Uds. | habían asistidothey had attended |
Imperfect subjunctive — si clauses and past-tense wishes: si tuviera, quería que fuera
| yo | asistiera(that) I attended | nosotros | asistiéramos(that) we attended |
| tú | asistieras(that) you attended | vosotros | asistierais(that) you all attended |
| él/ella/Ud. | asistiera(that) he/she attended | ellos/Uds. | asistieran(that) they attended |
Imperfect subjunctive — the same tense, second form; commoner in Spain and in writing
| yo | asistiese(that) I attended | nosotros | asistiésemos(that) we attended |
| tú | asistieses(that) you attended | vosotros | asistieseis(that) you all attended |
| él/ella/Ud. | asistiese(that) he/she attended | ellos/Uds. | asistiesen(that) they attended |
Past perfect subjunctive — had —ed, hypothetically: si hubiera sabido
| yo | hubiera asistido(that) I had attended | nosotros | hubiéramos asistido(that) we had attended |
| tú | hubieras asistido(that) you had attended | vosotros | hubierais asistido(that) you all had attended |
| él/ella/Ud. | hubiera asistido(that) he/she had attended | ellos/Uds. | hubieran asistido(that) they had attended |
Preterite perfect — had —ed, immediately before; literary, all but extinct
| yo | hube asistidoI had attended | nosotros | hubimos asistidowe had attended |
| tú | hubiste asistidoyou had attended | vosotros | hubisteis asistidoyou all had attended |
| él/ella/Ud. | hubo asistidohe/she had attended | ellos/Uds. | hubieron asistidothey had attended |
Future — will — (spoken Spanish often prefers voy a + infinitivo)
| yo | asistiréI will attend | nosotros | asistiremoswe will attend |
| tú | asistirásyou will attend | vosotros | asistiréisyou all will attend |
| él/ella/Ud. | asistiráhe/she will attend | ellos/Uds. | asistiránthey will attend |
Conditional — would —; also softens a request into politeness
| yo | asistiríaI would attend | nosotros | asistiríamoswe would attend |
| tú | asistiríasyou would attend | vosotros | asistiríaisyou all would attend |
| él/ella/Ud. | asistiríahe/she would attend | ellos/Uds. | asistiríanthey would attend |
Future perfect — will have —ed; done by some future point
| yo | habré asistidoI will have attended | nosotros | habremos asistidowe will have attended |
| tú | habrás asistidoyou will have attended | vosotros | habréis asistidoyou all will have attended |
| él/ella/Ud. | habrá asistidohe/she will have attended | ellos/Uds. | habrán asistidothey will have attended |
Conditional perfect — would have —ed; the road not taken
| yo | habría asistidoI would have attended | nosotros | habríamos asistidowe would have attended |
| tú | habrías asistidoyou would have attended | vosotros | habríais asistidoyou all would have attended |
| él/ella/Ud. | habría asistidohe/she would have attended | ellos/Uds. | habrían asistidothey would have attended |
Future subjunctive — legal and proverbial only: adonde fueres, haz lo que vieres
| yo | asistiere(should) I attend | nosotros | asistiéremos(should) we attend |
| tú | asistieres(should) you attend | vosotros | asistiereis(should) you all attend |
| él/ella/Ud. | asistiere(should) he/she attend | ellos/Uds. | asistieren(should) they attend |
Imperative (do it) — orders and requests; there is no yo form
| yo | — | nosotros | asistamoslet's attend |
| tú | asisteattend! | vosotros | asistidattend! |
| él/ella/Ud. | asistaattend! | ellos/Uds. | asistanattend! |
Imperative (don't) — no + subjunctive — never the affirmative form with no in front
| yo | — | nosotros | no asistamoslet's not attend |
| tú | no asistasdon't attend | vosotros | no asistáisdon't attend |
| él/ella/Ud. | no asistadon't attend | ellos/Uds. | no asistandon't attend |

I — the speaker
| Presente | asistoI attend |
| Perfecto | he asistidoI have attended |
| Subj. presente | asista(that) I attend |
| Subj. perfecto | haya asistido(that) I have attended |
| Futuro | asistiréI will attend |
| Condicional | asistiríaI would attend |
| Fut. perfecto | habré asistidoI will have attended |
| Cond. perfecto | habría asistidoI would have attended |
| Subj. futuro | asistiere(should) I attend |
| Indefinido | asistíI attended |
| Imperfecto | asistíaI used to attend |
| Pluscuamp. | había asistidoI had attended |
| Subj. imperf. | asistiera(that) I attended |
| Subj. -se | asistiese(that) I attended |
| Subj. pluscuamp. | hubiera asistido(that) I had attended |
| Pret. anterior | hube asistidoI had attended |
| Imperativo | — |
| Imper. negativo | — |
we — the speaker plus others
| Presente | asistimoswe attend |
| Perfecto | hemos asistidowe have attended |
| Subj. presente | asistamos(that) we attend |
| Subj. perfecto | hayamos asistido(that) we have attended |
| Futuro | asistiremoswe will attend |
| Condicional | asistiríamoswe would attend |
| Fut. perfecto | habremos asistidowe will have attended |
| Cond. perfecto | habríamos asistidowe would have attended |
| Subj. futuro | asistiéremos(should) we attend |
| Indefinido | asistimoswe attended |
| Imperfecto | asistíamoswe used to attend |
| Pluscuamp. | habíamos asistidowe had attended |
| Subj. imperf. | asistiéramos(that) we attended |
| Subj. -se | asistiésemos(that) we attended |
| Subj. pluscuamp. | hubiéramos asistido(that) we had attended |
| Pret. anterior | hubimos asistidowe had attended |
| Imperativo | asistamoslet's attend |
| Imper. negativo | no asistamoslet's not attend |
you (informal) — one person you are familiar with
| Presente | asistesyou attend |
| Perfecto | has asistidoyou have attended |
| Subj. presente | asistas(that) you attend |
| Subj. perfecto | hayas asistido(that) you have attended |
| Futuro | asistirásyou will attend |
| Condicional | asistiríasyou would attend |
| Fut. perfecto | habrás asistidoyou will have attended |
| Cond. perfecto | habrías asistidoyou would have attended |
| Subj. futuro | asistieres(should) you attend |
| Indefinido | asististeyou attended |
| Imperfecto | asistíasyou used to attend |
| Pluscuamp. | habías asistidoyou had attended |
| Subj. imperf. | asistieras(that) you attended |
| Subj. -se | asistieses(that) you attended |
| Subj. pluscuamp. | hubieras asistido(that) you had attended |
| Pret. anterior | hubiste asistidoyou had attended |
| Imperativo | asisteattend! |
| Imper. negativo | no asistasdon't attend |
you all — informal plural, Spain only
| Presente | asistísyou all attend |
| Perfecto | habéis asistidoyou all have attended |
| Subj. presente | asistáis(that) you all attend |
| Subj. perfecto | hayáis asistido(that) you all have attended |
| Futuro | asistiréisyou all will attend |
| Condicional | asistiríaisyou all would attend |
| Fut. perfecto | habréis asistidoyou all will have attended |
| Cond. perfecto | habríais asistidoyou all would have attended |
| Subj. futuro | asistiereis(should) you all attend |
| Indefinido | asististeisyou all attended |
| Imperfecto | asistíaisyou all used to attend |
| Pluscuamp. | habíais asistidoyou all had attended |
| Subj. imperf. | asistierais(that) you all attended |
| Subj. -se | asistieseis(that) you all attended |
| Subj. pluscuamp. | hubierais asistido(that) you all had attended |
| Pret. anterior | hubisteis asistidoyou all had attended |
| Imperativo | asistidattend! |
| Imper. negativo | no asistáisdon't attend |
he, she, you (formal) — one other person — formal you shares it
| Presente | asistehe/she attends |
| Perfecto | ha asistidohe/she has attended |
| Subj. presente | asista(that) he/she attends |
| Subj. perfecto | haya asistido(that) he/she has attended |
| Futuro | asistiráhe/she will attend |
| Condicional | asistiríahe/she would attend |
| Fut. perfecto | habrá asistidohe/she will have attended |
| Cond. perfecto | habría asistidohe/she would have attended |
| Subj. futuro | asistiere(should) he/she attend |
| Indefinido | asistióhe/she attended |
| Imperfecto | asistíahe/she used to attend |
| Pluscuamp. | había asistidohe/she had attended |
| Subj. imperf. | asistiera(that) he/she attended |
| Subj. -se | asistiese(that) he/she attended |
| Subj. pluscuamp. | hubiera asistido(that) he/she had attended |
| Pret. anterior | hubo asistidohe/she had attended |
| Imperativo | asistaattend! |
| Imper. negativo | no asistadon't attend |
they, you all — several others — plural you shares it
| Presente | asistenthey attend |
| Perfecto | han asistidothey have attended |
| Subj. presente | asistan(that) they attend |
| Subj. perfecto | hayan asistido(that) they have attended |
| Futuro | asistiránthey will attend |
| Condicional | asistiríanthey would attend |
| Fut. perfecto | habrán asistidothey will have attended |
| Cond. perfecto | habrían asistidothey would have attended |
| Subj. futuro | asistieren(should) they attend |
| Indefinido | asistieronthey attended |
| Imperfecto | asistíanthey used to attend |
| Pluscuamp. | habían asistidothey had attended |
| Subj. imperf. | asistieran(that) they attended |
| Subj. -se | asistiesen(that) they attended |
| Subj. pluscuamp. | hubieran asistido(that) they had attended |
| Pret. anterior | hubieron asistidothey had attended |
| Imperativo | asistanattend! |
| Imper. negativo | no asistandon't attend |
