Present — what is happening now, and what happens habitually
| yo | andoI walk | nosotros | andamoswe walk |
| tú | andasyou walk | vosotros | andáisyou all walk |
| él/ella/Ud. | andahe/she walks | ellos/Uds. | andanthey walk |
Present perfect — have —ed; a past still touching now. Spain: today, this week. Latin America: mostly the indefinido instead
| yo | he andadoI have walked | nosotros | hemos andadowe have walked |
| tú | has andadoyou have walked | vosotros | habéis andadoyou all have walked |
| él/ella/Ud. | ha andadohe/she has walked | ellos/Uds. | han andadothey have walked |
Present subjunctive — after que with wishes, doubt, emotion, ojalá
| yo | ande(that) I walk | nosotros | andemos(that) we walk |
| tú | andes(that) you walk | vosotros | andéis(that) you all walk |
| él/ella/Ud. | ande(that) he/she walks | ellos/Uds. | anden(that) they walk |
Present perfect subjunctive — have —ed, under doubt or emotion: no creo que haya venido
| yo | haya andado(that) I have walked | nosotros | hayamos andado(that) we have walked |
| tú | hayas andado(that) you have walked | vosotros | hayáis andado(that) you all have walked |
| él/ella/Ud. | haya andado(that) he/she has walked | ellos/Uds. | hayan andado(that) they have walked |
Preterite — a finished past action — it started, it ended
| yo | anduveI walked | nosotros | anduvimoswe walked |
| tú | anduvisteyou walked | vosotros | anduvisteisyou all walked |
| él/ella/Ud. | anduvohe/she walked | ellos/Uds. | anduvieronthey walked |
Imperfect — used to / was —ing; background, habits, descriptions
| yo | andabaI used to walk | nosotros | andábamoswe used to walk |
| tú | andabasyou used to walk | vosotros | andabaisyou all used to walk |
| él/ella/Ud. | andabahe/she used to walk | ellos/Uds. | andabanthey used to walk |
Past perfect — had —ed; further back than another past event
| yo | había andadoI had walked | nosotros | habíamos andadowe had walked |
| tú | habías andadoyou had walked | vosotros | habíais andadoyou all had walked |
| él/ella/Ud. | había andadohe/she had walked | ellos/Uds. | habían andadothey had walked |
Imperfect subjunctive — si clauses and past-tense wishes: si tuviera, quería que fuera
| yo | anduviera(that) I walked | nosotros | anduviéramos(that) we walked |
| tú | anduvieras(that) you walked | vosotros | anduvierais(that) you all walked |
| él/ella/Ud. | anduviera(that) he/she walked | ellos/Uds. | anduvieran(that) they walked |
Imperfect subjunctive — the same tense, second form; commoner in Spain and in writing
| yo | anduviese(that) I walked | nosotros | anduviésemos(that) we walked |
| tú | anduvieses(that) you walked | vosotros | anduvieseis(that) you all walked |
| él/ella/Ud. | anduviese(that) he/she walked | ellos/Uds. | anduviesen(that) they walked |
Past perfect subjunctive — had —ed, hypothetically: si hubiera sabido
| yo | hubiera andado(that) I had walked | nosotros | hubiéramos andado(that) we had walked |
| tú | hubieras andado(that) you had walked | vosotros | hubierais andado(that) you all had walked |
| él/ella/Ud. | hubiera andado(that) he/she had walked | ellos/Uds. | hubieran andado(that) they had walked |
Preterite perfect — had —ed, immediately before; literary, all but extinct
| yo | hube andadoI had walked | nosotros | hubimos andadowe had walked |
| tú | hubiste andadoyou had walked | vosotros | hubisteis andadoyou all had walked |
| él/ella/Ud. | hubo andadohe/she had walked | ellos/Uds. | hubieron andadothey had walked |
Future — will — (spoken Spanish often prefers voy a + infinitivo)
| yo | andaréI will walk | nosotros | andaremoswe will walk |
| tú | andarásyou will walk | vosotros | andaréisyou all will walk |
| él/ella/Ud. | andaráhe/she will walk | ellos/Uds. | andaránthey will walk |
Conditional — would —; also softens a request into politeness
| yo | andaríaI would walk | nosotros | andaríamoswe would walk |
| tú | andaríasyou would walk | vosotros | andaríaisyou all would walk |
| él/ella/Ud. | andaríahe/she would walk | ellos/Uds. | andaríanthey would walk |
Future perfect — will have —ed; done by some future point
| yo | habré andadoI will have walked | nosotros | habremos andadowe will have walked |
| tú | habrás andadoyou will have walked | vosotros | habréis andadoyou all will have walked |
| él/ella/Ud. | habrá andadohe/she will have walked | ellos/Uds. | habrán andadothey will have walked |
Conditional perfect — would have —ed; the road not taken
| yo | habría andadoI would have walked | nosotros | habríamos andadowe would have walked |
| tú | habrías andadoyou would have walked | vosotros | habríais andadoyou all would have walked |
| él/ella/Ud. | habría andadohe/she would have walked | ellos/Uds. | habrían andadothey would have walked |
Future subjunctive — legal and proverbial only: adonde fueres, haz lo que vieres
| yo | anduviere(should) I walk | nosotros | anduviéremos(should) we walk |
| tú | anduvieres(should) you walk | vosotros | anduviereis(should) you all walk |
| él/ella/Ud. | anduviere(should) he/she walk | ellos/Uds. | anduvieren(should) they walk |
Imperative (do it) — orders and requests; there is no yo form
| yo | — | nosotros | andemoslet's walk |
| tú | andawalk! | vosotros | andadwalk! |
| él/ella/Ud. | andewalk! | ellos/Uds. | andenwalk! |
Imperative (don't) — no + subjunctive — never the affirmative form with no in front
| yo | — | nosotros | no andemoslet's not walk |
| tú | no andesdon't walk | vosotros | no andéisdon't walk |
| él/ella/Ud. | no andedon't walk | ellos/Uds. | no andendon't walk |

Red = the form breaks the regular pattern. Everything in black you could have worked out from the endings alone.
I — the speaker
| Presente | andoI walk |
| Perfecto | he andadoI have walked |
| Subj. presente | ande(that) I walk |
| Subj. perfecto | haya andado(that) I have walked |
| Futuro | andaréI will walk |
| Condicional | andaríaI would walk |
| Fut. perfecto | habré andadoI will have walked |
| Cond. perfecto | habría andadoI would have walked |
| Subj. futuro | anduviere(should) I walk |
| Indefinido | anduveI walked |
| Imperfecto | andabaI used to walk |
| Pluscuamp. | había andadoI had walked |
| Subj. imperf. | anduviera(that) I walked |
| Subj. -se | anduviese(that) I walked |
| Subj. pluscuamp. | hubiera andado(that) I had walked |
| Pret. anterior | hube andadoI had walked |
| Imperativo | — |
| Imper. negativo | — |
we — the speaker plus others
| Presente | andamoswe walk |
| Perfecto | hemos andadowe have walked |
| Subj. presente | andemos(that) we walk |
| Subj. perfecto | hayamos andado(that) we have walked |
| Futuro | andaremoswe will walk |
| Condicional | andaríamoswe would walk |
| Fut. perfecto | habremos andadowe will have walked |
| Cond. perfecto | habríamos andadowe would have walked |
| Subj. futuro | anduviéremos(should) we walk |
| Indefinido | anduvimoswe walked |
| Imperfecto | andábamoswe used to walk |
| Pluscuamp. | habíamos andadowe had walked |
| Subj. imperf. | anduviéramos(that) we walked |
| Subj. -se | anduviésemos(that) we walked |
| Subj. pluscuamp. | hubiéramos andado(that) we had walked |
| Pret. anterior | hubimos andadowe had walked |
| Imperativo | andemoslet's walk |
| Imper. negativo | no andemoslet's not walk |
you (informal) — one person you are familiar with
| Presente | andasyou walk |
| Perfecto | has andadoyou have walked |
| Subj. presente | andes(that) you walk |
| Subj. perfecto | hayas andado(that) you have walked |
| Futuro | andarásyou will walk |
| Condicional | andaríasyou would walk |
| Fut. perfecto | habrás andadoyou will have walked |
| Cond. perfecto | habrías andadoyou would have walked |
| Subj. futuro | anduvieres(should) you walk |
| Indefinido | anduvisteyou walked |
| Imperfecto | andabasyou used to walk |
| Pluscuamp. | habías andadoyou had walked |
| Subj. imperf. | anduvieras(that) you walked |
| Subj. -se | anduvieses(that) you walked |
| Subj. pluscuamp. | hubieras andado(that) you had walked |
| Pret. anterior | hubiste andadoyou had walked |
| Imperativo | andawalk! |
| Imper. negativo | no andesdon't walk |
you all — informal plural, Spain only
| Presente | andáisyou all walk |
| Perfecto | habéis andadoyou all have walked |
| Subj. presente | andéis(that) you all walk |
| Subj. perfecto | hayáis andado(that) you all have walked |
| Futuro | andaréisyou all will walk |
| Condicional | andaríaisyou all would walk |
| Fut. perfecto | habréis andadoyou all will have walked |
| Cond. perfecto | habríais andadoyou all would have walked |
| Subj. futuro | anduviereis(should) you all walk |
| Indefinido | anduvisteisyou all walked |
| Imperfecto | andabaisyou all used to walk |
| Pluscuamp. | habíais andadoyou all had walked |
| Subj. imperf. | anduvierais(that) you all walked |
| Subj. -se | anduvieseis(that) you all walked |
| Subj. pluscuamp. | hubierais andado(that) you all had walked |
| Pret. anterior | hubisteis andadoyou all had walked |
| Imperativo | andadwalk! |
| Imper. negativo | no andéisdon't walk |
he, she, you (formal) — one other person — formal you shares it
| Presente | andahe/she walks |
| Perfecto | ha andadohe/she has walked |
| Subj. presente | ande(that) he/she walks |
| Subj. perfecto | haya andado(that) he/she has walked |
| Futuro | andaráhe/she will walk |
| Condicional | andaríahe/she would walk |
| Fut. perfecto | habrá andadohe/she will have walked |
| Cond. perfecto | habría andadohe/she would have walked |
| Subj. futuro | anduviere(should) he/she walk |
| Indefinido | anduvohe/she walked |
| Imperfecto | andabahe/she used to walk |
| Pluscuamp. | había andadohe/she had walked |
| Subj. imperf. | anduviera(that) he/she walked |
| Subj. -se | anduviese(that) he/she walked |
| Subj. pluscuamp. | hubiera andado(that) he/she had walked |
| Pret. anterior | hubo andadohe/she had walked |
| Imperativo | andewalk! |
| Imper. negativo | no andedon't walk |
they, you all — several others — plural you shares it
| Presente | andanthey walk |
| Perfecto | han andadothey have walked |
| Subj. presente | anden(that) they walk |
| Subj. perfecto | hayan andado(that) they have walked |
| Futuro | andaránthey will walk |
| Condicional | andaríanthey would walk |
| Fut. perfecto | habrán andadothey will have walked |
| Cond. perfecto | habrían andadothey would have walked |
| Subj. futuro | anduvieren(should) they walk |
| Indefinido | anduvieronthey walked |
| Imperfecto | andabanthey used to walk |
| Pluscuamp. | habían andadothey had walked |
| Subj. imperf. | anduvieran(that) they walked |
| Subj. -se | anduviesen(that) they walked |
| Subj. pluscuamp. | hubieran andado(that) they had walked |
| Pret. anterior | hubieron andadothey had walked |
| Imperativo | andenwalk! |
| Imper. negativo | no andendon't walk |

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