Present — what is happening now, and what happens habitually
| yo | sugieroI suggest | nosotros | sugerimoswe suggest |
| tú | sugieresyou suggest | vosotros | sugerísyou all suggest |
| él/ella/Ud. | sugierehe/she suggests | ellos/Uds. | sugierenthey suggest |
Present perfect — have —ed; a past still touching now. Spain: today, this week. Latin America: mostly the indefinido instead
| yo | he sugeridoI have suggested | nosotros | hemos sugeridowe have suggested |
| tú | has sugeridoyou have suggested | vosotros | habéis sugeridoyou all have suggested |
| él/ella/Ud. | ha sugeridohe/she has suggested | ellos/Uds. | han sugeridothey have suggested |
Present subjunctive — after que with wishes, doubt, emotion, ojalá
| yo | sugiera(that) I suggest | nosotros | sugiramos(that) we suggest |
| tú | sugieras(that) you suggest | vosotros | sugiráis(that) you all suggest |
| él/ella/Ud. | sugiera(that) he/she suggests | ellos/Uds. | sugieran(that) they suggest |
Present perfect subjunctive — have —ed, under doubt or emotion: no creo que haya venido
| yo | haya sugerido(that) I have suggested | nosotros | hayamos sugerido(that) we have suggested |
| tú | hayas sugerido(that) you have suggested | vosotros | hayáis sugerido(that) you all have suggested |
| él/ella/Ud. | haya sugerido(that) he/she has suggested | ellos/Uds. | hayan sugerido(that) they have suggested |
Preterite — a finished past action — it started, it ended
| yo | sugeríI suggested | nosotros | sugerimoswe suggested |
| tú | sugeristeyou suggested | vosotros | sugeristeisyou all suggested |
| él/ella/Ud. | sugirióhe/she suggested | ellos/Uds. | sugirieronthey suggested |
Imperfect — used to / was —ing; background, habits, descriptions
| yo | sugeríaI used to suggest | nosotros | sugeríamoswe used to suggest |
| tú | sugeríasyou used to suggest | vosotros | sugeríaisyou all used to suggest |
| él/ella/Ud. | sugeríahe/she used to suggest | ellos/Uds. | sugeríanthey used to suggest |
Past perfect — had —ed; further back than another past event
| yo | había sugeridoI had suggested | nosotros | habíamos sugeridowe had suggested |
| tú | habías sugeridoyou had suggested | vosotros | habíais sugeridoyou all had suggested |
| él/ella/Ud. | había sugeridohe/she had suggested | ellos/Uds. | habían sugeridothey had suggested |
Imperfect subjunctive — si clauses and past-tense wishes: si tuviera, quería que fuera
| yo | sugiriera(that) I suggested | nosotros | sugiriéramos(that) we suggested |
| tú | sugirieras(that) you suggested | vosotros | sugirierais(that) you all suggested |
| él/ella/Ud. | sugiriera(that) he/she suggested | ellos/Uds. | sugirieran(that) they suggested |
Imperfect subjunctive — the same tense, second form; commoner in Spain and in writing
| yo | sugiriese(that) I suggested | nosotros | sugiriésemos(that) we suggested |
| tú | sugirieses(that) you suggested | vosotros | sugirieseis(that) you all suggested |
| él/ella/Ud. | sugiriese(that) he/she suggested | ellos/Uds. | sugiriesen(that) they suggested |
Past perfect subjunctive — had —ed, hypothetically: si hubiera sabido
| yo | hubiera sugerido(that) I had suggested | nosotros | hubiéramos sugerido(that) we had suggested |
| tú | hubieras sugerido(that) you had suggested | vosotros | hubierais sugerido(that) you all had suggested |
| él/ella/Ud. | hubiera sugerido(that) he/she had suggested | ellos/Uds. | hubieran sugerido(that) they had suggested |
Preterite perfect — had —ed, immediately before; literary, all but extinct
| yo | hube sugeridoI had suggested | nosotros | hubimos sugeridowe had suggested |
| tú | hubiste sugeridoyou had suggested | vosotros | hubisteis sugeridoyou all had suggested |
| él/ella/Ud. | hubo sugeridohe/she had suggested | ellos/Uds. | hubieron sugeridothey had suggested |
Future — will — (spoken Spanish often prefers voy a + infinitivo)
| yo | sugeriréI will suggest | nosotros | sugeriremoswe will suggest |
| tú | sugerirásyou will suggest | vosotros | sugeriréisyou all will suggest |
| él/ella/Ud. | sugeriráhe/she will suggest | ellos/Uds. | sugeriránthey will suggest |
Conditional — would —; also softens a request into politeness
| yo | sugeriríaI would suggest | nosotros | sugeriríamoswe would suggest |
| tú | sugeriríasyou would suggest | vosotros | sugeriríaisyou all would suggest |
| él/ella/Ud. | sugeriríahe/she would suggest | ellos/Uds. | sugeriríanthey would suggest |
Future perfect — will have —ed; done by some future point
| yo | habré sugeridoI will have suggested | nosotros | habremos sugeridowe will have suggested |
| tú | habrás sugeridoyou will have suggested | vosotros | habréis sugeridoyou all will have suggested |
| él/ella/Ud. | habrá sugeridohe/she will have suggested | ellos/Uds. | habrán sugeridothey will have suggested |
Conditional perfect — would have —ed; the road not taken
| yo | habría sugeridoI would have suggested | nosotros | habríamos sugeridowe would have suggested |
| tú | habrías sugeridoyou would have suggested | vosotros | habríais sugeridoyou all would have suggested |
| él/ella/Ud. | habría sugeridohe/she would have suggested | ellos/Uds. | habrían sugeridothey would have suggested |
Future subjunctive — legal and proverbial only: adonde fueres, haz lo que vieres
| yo | sugiriere(should) I suggest | nosotros | sugiriéremos(should) we suggest |
| tú | sugirieres(should) you suggest | vosotros | sugiriereis(should) you all suggest |
| él/ella/Ud. | sugiriere(should) he/she suggest | ellos/Uds. | sugirieren(should) they suggest |
Imperative (do it) — orders and requests; there is no yo form
| yo | — | nosotros | sugiramoslet's suggest |
| tú | sugieresuggest! | vosotros | sugeridsuggest! |
| él/ella/Ud. | sugierasuggest! | ellos/Uds. | sugieransuggest! |
Imperative (don't) — no + subjunctive — never the affirmative form with no in front
| yo | — | nosotros | no sugiramoslet's not suggest |
| tú | no sugierasdon't suggest | vosotros | no sugiráisdon't suggest |
| él/ella/Ud. | no sugieradon't suggest | ellos/Uds. | no sugierandon't suggest |

Red = the form breaks the regular pattern. Everything in black you could have worked out from the endings alone.
I — the speaker
| Presente | sugieroI suggest |
| Perfecto | he sugeridoI have suggested |
| Subj. presente | sugiera(that) I suggest |
| Subj. perfecto | haya sugerido(that) I have suggested |
| Futuro | sugeriréI will suggest |
| Condicional | sugeriríaI would suggest |
| Fut. perfecto | habré sugeridoI will have suggested |
| Cond. perfecto | habría sugeridoI would have suggested |
| Subj. futuro | sugiriere(should) I suggest |
| Indefinido | sugeríI suggested |
| Imperfecto | sugeríaI used to suggest |
| Pluscuamp. | había sugeridoI had suggested |
| Subj. imperf. | sugiriera(that) I suggested |
| Subj. -se | sugiriese(that) I suggested |
| Subj. pluscuamp. | hubiera sugerido(that) I had suggested |
| Pret. anterior | hube sugeridoI had suggested |
| Imperativo | — |
| Imper. negativo | — |
we — the speaker plus others
| Presente | sugerimoswe suggest |
| Perfecto | hemos sugeridowe have suggested |
| Subj. presente | sugiramos(that) we suggest |
| Subj. perfecto | hayamos sugerido(that) we have suggested |
| Futuro | sugeriremoswe will suggest |
| Condicional | sugeriríamoswe would suggest |
| Fut. perfecto | habremos sugeridowe will have suggested |
| Cond. perfecto | habríamos sugeridowe would have suggested |
| Subj. futuro | sugiriéremos(should) we suggest |
| Indefinido | sugerimoswe suggested |
| Imperfecto | sugeríamoswe used to suggest |
| Pluscuamp. | habíamos sugeridowe had suggested |
| Subj. imperf. | sugiriéramos(that) we suggested |
| Subj. -se | sugiriésemos(that) we suggested |
| Subj. pluscuamp. | hubiéramos sugerido(that) we had suggested |
| Pret. anterior | hubimos sugeridowe had suggested |
| Imperativo | sugiramoslet's suggest |
| Imper. negativo | no sugiramoslet's not suggest |
you (informal) — one person you are familiar with
| Presente | sugieresyou suggest |
| Perfecto | has sugeridoyou have suggested |
| Subj. presente | sugieras(that) you suggest |
| Subj. perfecto | hayas sugerido(that) you have suggested |
| Futuro | sugerirásyou will suggest |
| Condicional | sugeriríasyou would suggest |
| Fut. perfecto | habrás sugeridoyou will have suggested |
| Cond. perfecto | habrías sugeridoyou would have suggested |
| Subj. futuro | sugirieres(should) you suggest |
| Indefinido | sugeristeyou suggested |
| Imperfecto | sugeríasyou used to suggest |
| Pluscuamp. | habías sugeridoyou had suggested |
| Subj. imperf. | sugirieras(that) you suggested |
| Subj. -se | sugirieses(that) you suggested |
| Subj. pluscuamp. | hubieras sugerido(that) you had suggested |
| Pret. anterior | hubiste sugeridoyou had suggested |
| Imperativo | sugieresuggest! |
| Imper. negativo | no sugierasdon't suggest |
you all — informal plural, Spain only
| Presente | sugerísyou all suggest |
| Perfecto | habéis sugeridoyou all have suggested |
| Subj. presente | sugiráis(that) you all suggest |
| Subj. perfecto | hayáis sugerido(that) you all have suggested |
| Futuro | sugeriréisyou all will suggest |
| Condicional | sugeriríaisyou all would suggest |
| Fut. perfecto | habréis sugeridoyou all will have suggested |
| Cond. perfecto | habríais sugeridoyou all would have suggested |
| Subj. futuro | sugiriereis(should) you all suggest |
| Indefinido | sugeristeisyou all suggested |
| Imperfecto | sugeríaisyou all used to suggest |
| Pluscuamp. | habíais sugeridoyou all had suggested |
| Subj. imperf. | sugirierais(that) you all suggested |
| Subj. -se | sugirieseis(that) you all suggested |
| Subj. pluscuamp. | hubierais sugerido(that) you all had suggested |
| Pret. anterior | hubisteis sugeridoyou all had suggested |
| Imperativo | sugeridsuggest! |
| Imper. negativo | no sugiráisdon't suggest |
he, she, you (formal) — one other person — formal you shares it
| Presente | sugierehe/she suggests |
| Perfecto | ha sugeridohe/she has suggested |
| Subj. presente | sugiera(that) he/she suggests |
| Subj. perfecto | haya sugerido(that) he/she has suggested |
| Futuro | sugeriráhe/she will suggest |
| Condicional | sugeriríahe/she would suggest |
| Fut. perfecto | habrá sugeridohe/she will have suggested |
| Cond. perfecto | habría sugeridohe/she would have suggested |
| Subj. futuro | sugiriere(should) he/she suggest |
| Indefinido | sugirióhe/she suggested |
| Imperfecto | sugeríahe/she used to suggest |
| Pluscuamp. | había sugeridohe/she had suggested |
| Subj. imperf. | sugiriera(that) he/she suggested |
| Subj. -se | sugiriese(that) he/she suggested |
| Subj. pluscuamp. | hubiera sugerido(that) he/she had suggested |
| Pret. anterior | hubo sugeridohe/she had suggested |
| Imperativo | sugierasuggest! |
| Imper. negativo | no sugieradon't suggest |
they, you all — several others — plural you shares it
| Presente | sugierenthey suggest |
| Perfecto | han sugeridothey have suggested |
| Subj. presente | sugieran(that) they suggest |
| Subj. perfecto | hayan sugerido(that) they have suggested |
| Futuro | sugeriránthey will suggest |
| Condicional | sugeriríanthey would suggest |
| Fut. perfecto | habrán sugeridothey will have suggested |
| Cond. perfecto | habrían sugeridothey would have suggested |
| Subj. futuro | sugirieren(should) they suggest |
| Indefinido | sugirieronthey suggested |
| Imperfecto | sugeríanthey used to suggest |
| Pluscuamp. | habían sugeridothey had suggested |
| Subj. imperf. | sugirieran(that) they suggested |
| Subj. -se | sugiriesen(that) they suggested |
| Subj. pluscuamp. | hubieran sugerido(that) they had suggested |
| Pret. anterior | hubieron sugeridothey had suggested |
| Imperativo | sugieransuggest! |
| Imper. negativo | no sugierandon't suggest |

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