interesar

to interestpor tiempo-ar regular
participio interesadogerundio interesandohe + participio he interesadoestoy + gerundio estoy interesando

Presentewhat is going on now

Presente

Present — what is happening now, and what happens habitually

yointeresoI interestnosotrosinteresamoswe interest
túinteresasyou interestvosotrosinteresáisyou all interest
él/ella/Ud.interesahe/she interestsellos/Uds.interesanthey interest

Pretérito perfecto

Present perfect — have —ed; a past still touching now. Spain: today, this week. Latin America: mostly the indefinido instead

yohe interesadoI have interestednosotroshemos interesadowe have interested
túhas interesadoyou have interestedvosotroshabéis interesadoyou all have interested
él/ella/Ud.ha interesadohe/she has interestedellos/Uds.han interesadothey have interested

Presente de subjuntivo

Present subjunctive — after que with wishes, doubt, emotion, ojalá

yointerese(that) I interestnosotrosinteresemos(that) we interest
túintereses(that) you interestvosotrosintereséis(that) you all interest
él/ella/Ud.interese(that) he/she interestsellos/Uds.interesen(that) they interest

Perfecto de subjuntivo

Present perfect subjunctive — have —ed, under doubt or emotion: no creo que haya venido

yohaya interesado(that) I have interestednosotroshayamos interesado(that) we have interested
túhayas interesado(that) you have interestedvosotroshayáis interesado(that) you all have interested
él/ella/Ud.haya interesado(that) he/she has interestedellos/Uds.hayan interesado(that) they have interested

Pasadowhat went on

Pretérito indefinido

Preterite — a finished past action — it started, it ended

yointereséI interestednosotrosinteresamoswe interested
túinteresasteyou interestedvosotrosinteresasteisyou all interested
él/ella/Ud.interesóhe/she interestedellos/Uds.interesaronthey interested

Pretérito imperfecto

Imperfect — used to / was —ing; background, habits, descriptions

yointeresabaI used to interestnosotrosinteresábamoswe used to interest
túinteresabasyou used to interestvosotrosinteresabaisyou all used to interest
él/ella/Ud.interesabahe/she used to interestellos/Uds.interesabanthey used to interest

Pretérito pluscuamperfecto

Past perfect — had —ed; further back than another past event

yohabía interesadoI had interestednosotroshabíamos interesadowe had interested
túhabías interesadoyou had interestedvosotroshabíais interesadoyou all had interested
él/ella/Ud.había interesadohe/she had interestedellos/Uds.habían interesadothey had interested

Imperfecto de subjuntivo (-ra)

Imperfect subjunctive — si clauses and past-tense wishes: si tuviera, quería que fuera

yointeresara(that) I interestednosotrosinteresáramos(that) we interested
túinteresaras(that) you interestedvosotrosinteresarais(that) you all interested
él/ella/Ud.interesara(that) he/she interestedellos/Uds.interesaran(that) they interested

Imperfecto de subjuntivo (-se)

Imperfect subjunctive — the same tense, second form; commoner in Spain and in writing

yointeresase(that) I interestednosotrosinteresásemos(that) we interested
túinteresases(that) you interestedvosotrosinteresaseis(that) you all interested
él/ella/Ud.interesase(that) he/she interestedellos/Uds.interesasen(that) they interested

Pluscuamperfecto de subjuntivo

Past perfect subjunctive — had —ed, hypothetically: si hubiera sabido

yohubiera interesado(that) I had interestednosotroshubiéramos interesado(that) we had interested
túhubieras interesado(that) you had interestedvosotroshubierais interesado(that) you all had interested
él/ella/Ud.hubiera interesado(that) he/she had interestedellos/Uds.hubieran interesado(that) they had interested

Pretérito anterior

Preterite perfect — had —ed, immediately before; literary, all but extinct

yohube interesadoI had interestednosotroshubimos interesadowe had interested
túhubiste interesadoyou had interestedvosotroshubisteis interesadoyou all had interested
él/ella/Ud.hubo interesadohe/she had interestedellos/Uds.hubieron interesadothey had interested

Futurowhat will or would go on

Futuro simple

Future — will — (spoken Spanish often prefers voy a + infinitivo)

yointeresaréI will interestnosotrosinteresaremoswe will interest
túinteresarásyou will interestvosotrosinteresaréisyou all will interest
él/ella/Ud.interesaráhe/she will interestellos/Uds.interesaránthey will interest

Condicional simple

Conditional — would —; also softens a request into politeness

yointeresaríaI would interestnosotrosinteresaríamoswe would interest
túinteresaríasyou would interestvosotrosinteresaríaisyou all would interest
él/ella/Ud.interesaríahe/she would interestellos/Uds.interesaríanthey would interest

Futuro perfecto

Future perfect — will have —ed; done by some future point

yohabré interesadoI will have interestednosotroshabremos interesadowe will have interested
túhabrás interesadoyou will have interestedvosotroshabréis interesadoyou all will have interested
él/ella/Ud.habrá interesadohe/she will have interestedellos/Uds.habrán interesadothey will have interested

Condicional perfecto

Conditional perfect — would have —ed; the road not taken

yohabría interesadoI would have interestednosotroshabríamos interesadowe would have interested
túhabrías interesadoyou would have interestedvosotroshabríais interesadoyou all would have interested
él/ella/Ud.habría interesadohe/she would have interestedellos/Uds.habrían interesadothey would have interested

Futuro de subjuntivo

Future subjunctive — legal and proverbial only: adonde fueres, haz lo que vieres

yointeresare(should) I interestnosotrosinteresáremos(should) we interest
túinteresares(should) you interestvosotrosinteresareis(should) you all interest
él/ella/Ud.interesare(should) he/she interestellos/Uds.interesaren(should) they interest

Imperativotelling someone to

Imperativo afirmativo

Imperative (do it) — orders and requests; there is no yo form

yo—nosotrosinteresemoslet's interest
túinteresainterest!vosotrosinteresadinterest!
él/ella/Ud.intereseinterest!ellos/Uds.intereseninterest!

Imperativo negativo

Imperative (don't) — no + subjunctive — never the affirmative form with no in front

yo—nosotrosno interesemoslet's not interest
túno interesesdon't interestvosotrosno intereséisdon't interest
él/ella/Ud.no interesedon't interestellos/Uds.no interesendon't interest
Imagen. Libro de horas, un centauro disparando una flecha, manuscrito Walters W.102, detalle del folio 82v — traducido de Book of Hours, A Centaur firing an arrow, Walters Manuscript W.102, fol. 82v detail (Walters Art Museum Illuminated Manuscripts · flickr · CC0)

interesar

to interestpor persona-ar regular
participio interesadogerundio interesandohe + participio he interesadoestoy + gerundio estoy interesando

yo

I — the speaker

PresenteinteresoI interest
Perfectohe interesadoI have interested
Subj. presenteinterese(that) I interest
Subj. perfectohaya interesado(that) I have interested
FuturointeresaréI will interest
CondicionalinteresaríaI would interest
Fut. perfectohabré interesadoI will have interested
Cond. perfectohabría interesadoI would have interested
Subj. futurointeresare(should) I interest
IndefinidointereséI interested
ImperfectointeresabaI used to interest
Pluscuamp.había interesadoI had interested
Subj. imperf.interesara(that) I interested
Subj. -seinteresase(that) I interested
Subj. pluscuamp.hubiera interesado(that) I had interested
Pret. anteriorhube interesadoI had interested
Imperativo—
Imper. negativo—

nosotros / nosotras

we — the speaker plus others

Presenteinteresamoswe interest
Perfectohemos interesadowe have interested
Subj. presenteinteresemos(that) we interest
Subj. perfectohayamos interesado(that) we have interested
Futurointeresaremoswe will interest
Condicionalinteresaríamoswe would interest
Fut. perfectohabremos interesadowe will have interested
Cond. perfectohabríamos interesadowe would have interested
Subj. futurointeresáremos(should) we interest
Indefinidointeresamoswe interested
Imperfectointeresábamoswe used to interest
Pluscuamp.habíamos interesadowe had interested
Subj. imperf.interesáramos(that) we interested
Subj. -seinteresásemos(that) we interested
Subj. pluscuamp.hubiéramos interesado(that) we had interested
Pret. anteriorhubimos interesadowe had interested
Imperativointeresemoslet's interest
Imper. negativono interesemoslet's not interest

tú

you (informal) — one person you are familiar with

Presenteinteresasyou interest
Perfectohas interesadoyou have interested
Subj. presenteintereses(that) you interest
Subj. perfectohayas interesado(that) you have interested
Futurointeresarásyou will interest
Condicionalinteresaríasyou would interest
Fut. perfectohabrás interesadoyou will have interested
Cond. perfectohabrías interesadoyou would have interested
Subj. futurointeresares(should) you interest
Indefinidointeresasteyou interested
Imperfectointeresabasyou used to interest
Pluscuamp.habías interesadoyou had interested
Subj. imperf.interesaras(that) you interested
Subj. -seinteresases(that) you interested
Subj. pluscuamp.hubieras interesado(that) you had interested
Pret. anteriorhubiste interesadoyou had interested
Imperativointeresainterest!
Imper. negativono interesesdon't interest

vosotros / vosotras

you all — informal plural, Spain only

Presenteinteresáisyou all interest
Perfectohabéis interesadoyou all have interested
Subj. presenteintereséis(that) you all interest
Subj. perfectohayáis interesado(that) you all have interested
Futurointeresaréisyou all will interest
Condicionalinteresaríaisyou all would interest
Fut. perfectohabréis interesadoyou all will have interested
Cond. perfectohabríais interesadoyou all would have interested
Subj. futurointeresareis(should) you all interest
Indefinidointeresasteisyou all interested
Imperfectointeresabaisyou all used to interest
Pluscuamp.habíais interesadoyou all had interested
Subj. imperf.interesarais(that) you all interested
Subj. -seinteresaseis(that) you all interested
Subj. pluscuamp.hubierais interesado(that) you all had interested
Pret. anteriorhubisteis interesadoyou all had interested
Imperativointeresadinterest!
Imper. negativono intereséisdon't interest

él / ella / usted

he, she, you (formal) — one other person — formal you shares it

Presenteinteresahe/she interests
Perfectoha interesadohe/she has interested
Subj. presenteinterese(that) he/she interests
Subj. perfectohaya interesado(that) he/she has interested
Futurointeresaráhe/she will interest
Condicionalinteresaríahe/she would interest
Fut. perfectohabrá interesadohe/she will have interested
Cond. perfectohabría interesadohe/she would have interested
Subj. futurointeresare(should) he/she interest
Indefinidointeresóhe/she interested
Imperfectointeresabahe/she used to interest
Pluscuamp.había interesadohe/she had interested
Subj. imperf.interesara(that) he/she interested
Subj. -seinteresase(that) he/she interested
Subj. pluscuamp.hubiera interesado(that) he/she had interested
Pret. anteriorhubo interesadohe/she had interested
Imperativointereseinterest!
Imper. negativono interesedon't interest

ellos / ellas / ustedes

they, you all — several others — plural you shares it

Presenteinteresanthey interest
Perfectohan interesadothey have interested
Subj. presenteinteresen(that) they interest
Subj. perfectohayan interesado(that) they have interested
Futurointeresaránthey will interest
Condicionalinteresaríanthey would interest
Fut. perfectohabrán interesadothey will have interested
Cond. perfectohabrían interesadothey would have interested
Subj. futurointeresaren(should) they interest
Indefinidointeresaronthey interested
Imperfectointeresabanthey used to interest
Pluscuamp.habían interesadothey had interested
Subj. imperf.interesaran(that) they interested
Subj. -seinteresasen(that) they interested
Subj. pluscuamp.hubieran interesado(that) they had interested
Pret. anteriorhubieron interesadothey had interested
Imperativointereseninterest!
Imper. negativono interesendon't interest
Imagen. Libro de horas, un centauro disparando una flecha, manuscrito Walters W.102, detalle del folio 82v — traducido de Book of Hours, A Centaur firing an arrow, Walters Manuscript W.102, fol. 82v detail (Walters Art Museum Illuminated Manuscripts · flickr · CC0)