Present — what is happening now, and what happens habitually
| yo | diviertoI amuse | nosotros | divertimoswe amuse |
| tú | diviertesyou amuse | vosotros | divertísyou all amuse |
| él/ella/Ud. | diviertehe/she amuses | ellos/Uds. | diviertenthey amuse |
Present perfect — have —ed; a past still touching now. Spain: today, this week. Latin America: mostly the indefinido instead
| yo | he divertidoI have amused | nosotros | hemos divertidowe have amused |
| tú | has divertidoyou have amused | vosotros | habéis divertidoyou all have amused |
| él/ella/Ud. | ha divertidohe/she has amused | ellos/Uds. | han divertidothey have amused |
Present subjunctive — after que with wishes, doubt, emotion, ojalá
| yo | divierta(that) I amuse | nosotros | divirtamos(that) we amuse |
| tú | diviertas(that) you amuse | vosotros | divirtáis(that) you all amuse |
| él/ella/Ud. | divierta(that) he/she amuses | ellos/Uds. | diviertan(that) they amuse |
Present perfect subjunctive — have —ed, under doubt or emotion: no creo que haya venido
| yo | haya divertido(that) I have amused | nosotros | hayamos divertido(that) we have amused |
| tú | hayas divertido(that) you have amused | vosotros | hayáis divertido(that) you all have amused |
| él/ella/Ud. | haya divertido(that) he/she has amused | ellos/Uds. | hayan divertido(that) they have amused |
Preterite — a finished past action — it started, it ended
| yo | divertíI amused | nosotros | divertimoswe amused |
| tú | divertisteyou amused | vosotros | divertisteisyou all amused |
| él/ella/Ud. | divirtióhe/she amused | ellos/Uds. | divirtieronthey amused |
Imperfect — used to / was —ing; background, habits, descriptions
| yo | divertíaI used to amuse | nosotros | divertíamoswe used to amuse |
| tú | divertíasyou used to amuse | vosotros | divertíaisyou all used to amuse |
| él/ella/Ud. | divertíahe/she used to amuse | ellos/Uds. | divertíanthey used to amuse |
Past perfect — had —ed; further back than another past event
| yo | había divertidoI had amused | nosotros | habíamos divertidowe had amused |
| tú | habías divertidoyou had amused | vosotros | habíais divertidoyou all had amused |
| él/ella/Ud. | había divertidohe/she had amused | ellos/Uds. | habían divertidothey had amused |
Imperfect subjunctive — si clauses and past-tense wishes: si tuviera, quería que fuera
| yo | divirtiera(that) I amused | nosotros | divirtiéramos(that) we amused |
| tú | divirtieras(that) you amused | vosotros | divirtierais(that) you all amused |
| él/ella/Ud. | divirtiera(that) he/she amused | ellos/Uds. | divirtieran(that) they amused |
Imperfect subjunctive — the same tense, second form; commoner in Spain and in writing
| yo | divirtiese(that) I amused | nosotros | divirtiésemos(that) we amused |
| tú | divirtieses(that) you amused | vosotros | divirtieseis(that) you all amused |
| él/ella/Ud. | divirtiese(that) he/she amused | ellos/Uds. | divirtiesen(that) they amused |
Past perfect subjunctive — had —ed, hypothetically: si hubiera sabido
| yo | hubiera divertido(that) I had amused | nosotros | hubiéramos divertido(that) we had amused |
| tú | hubieras divertido(that) you had amused | vosotros | hubierais divertido(that) you all had amused |
| él/ella/Ud. | hubiera divertido(that) he/she had amused | ellos/Uds. | hubieran divertido(that) they had amused |
Preterite perfect — had —ed, immediately before; literary, all but extinct
| yo | hube divertidoI had amused | nosotros | hubimos divertidowe had amused |
| tú | hubiste divertidoyou had amused | vosotros | hubisteis divertidoyou all had amused |
| él/ella/Ud. | hubo divertidohe/she had amused | ellos/Uds. | hubieron divertidothey had amused |
Future — will — (spoken Spanish often prefers voy a + infinitivo)
| yo | divertiréI will amuse | nosotros | divertiremoswe will amuse |
| tú | divertirásyou will amuse | vosotros | divertiréisyou all will amuse |
| él/ella/Ud. | divertiráhe/she will amuse | ellos/Uds. | divertiránthey will amuse |
Conditional — would —; also softens a request into politeness
| yo | divertiríaI would amuse | nosotros | divertiríamoswe would amuse |
| tú | divertiríasyou would amuse | vosotros | divertiríaisyou all would amuse |
| él/ella/Ud. | divertiríahe/she would amuse | ellos/Uds. | divertiríanthey would amuse |
Future perfect — will have —ed; done by some future point
| yo | habré divertidoI will have amused | nosotros | habremos divertidowe will have amused |
| tú | habrás divertidoyou will have amused | vosotros | habréis divertidoyou all will have amused |
| él/ella/Ud. | habrá divertidohe/she will have amused | ellos/Uds. | habrán divertidothey will have amused |
Conditional perfect — would have —ed; the road not taken
| yo | habría divertidoI would have amused | nosotros | habríamos divertidowe would have amused |
| tú | habrías divertidoyou would have amused | vosotros | habríais divertidoyou all would have amused |
| él/ella/Ud. | habría divertidohe/she would have amused | ellos/Uds. | habrían divertidothey would have amused |
Future subjunctive — legal and proverbial only: adonde fueres, haz lo que vieres
| yo | divirtiere(should) I amuse | nosotros | divirtiéremos(should) we amuse |
| tú | divirtieres(should) you amuse | vosotros | divirtiereis(should) you all amuse |
| él/ella/Ud. | divirtiere(should) he/she amuse | ellos/Uds. | divirtieren(should) they amuse |
Imperative (do it) — orders and requests; there is no yo form
| yo | — | nosotros | divirtamoslet's amuse |
| tú | divierteamuse! | vosotros | divertidamuse! |
| él/ella/Ud. | diviertaamuse! | ellos/Uds. | diviertanamuse! |
Imperative (don't) — no + subjunctive — never the affirmative form with no in front
| yo | — | nosotros | no divirtamoslet's not amuse |
| tú | no diviertasdon't amuse | vosotros | no divirtáisdon't amuse |
| él/ella/Ud. | no diviertadon't amuse | ellos/Uds. | no diviertandon't amuse |

Red = the form breaks the regular pattern. Everything in black you could have worked out from the endings alone.
I — the speaker
| Presente | diviertoI amuse |
| Perfecto | he divertidoI have amused |
| Subj. presente | divierta(that) I amuse |
| Subj. perfecto | haya divertido(that) I have amused |
| Futuro | divertiréI will amuse |
| Condicional | divertiríaI would amuse |
| Fut. perfecto | habré divertidoI will have amused |
| Cond. perfecto | habría divertidoI would have amused |
| Subj. futuro | divirtiere(should) I amuse |
| Indefinido | divertíI amused |
| Imperfecto | divertíaI used to amuse |
| Pluscuamp. | había divertidoI had amused |
| Subj. imperf. | divirtiera(that) I amused |
| Subj. -se | divirtiese(that) I amused |
| Subj. pluscuamp. | hubiera divertido(that) I had amused |
| Pret. anterior | hube divertidoI had amused |
| Imperativo | — |
| Imper. negativo | — |
we — the speaker plus others
| Presente | divertimoswe amuse |
| Perfecto | hemos divertidowe have amused |
| Subj. presente | divirtamos(that) we amuse |
| Subj. perfecto | hayamos divertido(that) we have amused |
| Futuro | divertiremoswe will amuse |
| Condicional | divertiríamoswe would amuse |
| Fut. perfecto | habremos divertidowe will have amused |
| Cond. perfecto | habríamos divertidowe would have amused |
| Subj. futuro | divirtiéremos(should) we amuse |
| Indefinido | divertimoswe amused |
| Imperfecto | divertíamoswe used to amuse |
| Pluscuamp. | habíamos divertidowe had amused |
| Subj. imperf. | divirtiéramos(that) we amused |
| Subj. -se | divirtiésemos(that) we amused |
| Subj. pluscuamp. | hubiéramos divertido(that) we had amused |
| Pret. anterior | hubimos divertidowe had amused |
| Imperativo | divirtamoslet's amuse |
| Imper. negativo | no divirtamoslet's not amuse |
you (informal) — one person you are familiar with
| Presente | diviertesyou amuse |
| Perfecto | has divertidoyou have amused |
| Subj. presente | diviertas(that) you amuse |
| Subj. perfecto | hayas divertido(that) you have amused |
| Futuro | divertirásyou will amuse |
| Condicional | divertiríasyou would amuse |
| Fut. perfecto | habrás divertidoyou will have amused |
| Cond. perfecto | habrías divertidoyou would have amused |
| Subj. futuro | divirtieres(should) you amuse |
| Indefinido | divertisteyou amused |
| Imperfecto | divertíasyou used to amuse |
| Pluscuamp. | habías divertidoyou had amused |
| Subj. imperf. | divirtieras(that) you amused |
| Subj. -se | divirtieses(that) you amused |
| Subj. pluscuamp. | hubieras divertido(that) you had amused |
| Pret. anterior | hubiste divertidoyou had amused |
| Imperativo | divierteamuse! |
| Imper. negativo | no diviertasdon't amuse |
you all — informal plural, Spain only
| Presente | divertísyou all amuse |
| Perfecto | habéis divertidoyou all have amused |
| Subj. presente | divirtáis(that) you all amuse |
| Subj. perfecto | hayáis divertido(that) you all have amused |
| Futuro | divertiréisyou all will amuse |
| Condicional | divertiríaisyou all would amuse |
| Fut. perfecto | habréis divertidoyou all will have amused |
| Cond. perfecto | habríais divertidoyou all would have amused |
| Subj. futuro | divirtiereis(should) you all amuse |
| Indefinido | divertisteisyou all amused |
| Imperfecto | divertíaisyou all used to amuse |
| Pluscuamp. | habíais divertidoyou all had amused |
| Subj. imperf. | divirtierais(that) you all amused |
| Subj. -se | divirtieseis(that) you all amused |
| Subj. pluscuamp. | hubierais divertido(that) you all had amused |
| Pret. anterior | hubisteis divertidoyou all had amused |
| Imperativo | divertidamuse! |
| Imper. negativo | no divirtáisdon't amuse |
he, she, you (formal) — one other person — formal you shares it
| Presente | diviertehe/she amuses |
| Perfecto | ha divertidohe/she has amused |
| Subj. presente | divierta(that) he/she amuses |
| Subj. perfecto | haya divertido(that) he/she has amused |
| Futuro | divertiráhe/she will amuse |
| Condicional | divertiríahe/she would amuse |
| Fut. perfecto | habrá divertidohe/she will have amused |
| Cond. perfecto | habría divertidohe/she would have amused |
| Subj. futuro | divirtiere(should) he/she amuse |
| Indefinido | divirtióhe/she amused |
| Imperfecto | divertíahe/she used to amuse |
| Pluscuamp. | había divertidohe/she had amused |
| Subj. imperf. | divirtiera(that) he/she amused |
| Subj. -se | divirtiese(that) he/she amused |
| Subj. pluscuamp. | hubiera divertido(that) he/she had amused |
| Pret. anterior | hubo divertidohe/she had amused |
| Imperativo | diviertaamuse! |
| Imper. negativo | no diviertadon't amuse |
they, you all — several others — plural you shares it
| Presente | diviertenthey amuse |
| Perfecto | han divertidothey have amused |
| Subj. presente | diviertan(that) they amuse |
| Subj. perfecto | hayan divertido(that) they have amused |
| Futuro | divertiránthey will amuse |
| Condicional | divertiríanthey would amuse |
| Fut. perfecto | habrán divertidothey will have amused |
| Cond. perfecto | habrían divertidothey would have amused |
| Subj. futuro | divirtieren(should) they amuse |
| Indefinido | divirtieronthey amused |
| Imperfecto | divertíanthey used to amuse |
| Pluscuamp. | habían divertidothey had amused |
| Subj. imperf. | divirtieran(that) they amused |
| Subj. -se | divirtiesen(that) they amused |
| Subj. pluscuamp. | hubieran divertido(that) they had amused |
| Pret. anterior | hubieron divertidothey had amused |
| Imperativo | diviertanamuse! |
| Imper. negativo | no diviertandon't amuse |

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