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Spanish · Verb · #310 most common

investigar

to investigate
to research

Regular-ar ending

In the tables below, the stem is shown in black and the ending in purple.

1.

Presente

Habitual actions, general truths, and what's happening now.

yoinvestigo
investigas
él/ellainvestiga
nosotrosinvestigamos
vosotrosinvestigáis
ellos/ellasinvestigan

Yo investigo sobre la historia de mi ciudad.

I investigate the history of my city.

Ella investiga nuevas técnicas de enseñanza.

She researches new teaching techniques.

2.

Pretérito Indefinido

Completed actions at a specific point in the past.

yoinvestig
investigaste
él/ellainvestigó
nosotrosinvestigamos
vosotrosinvestigasteis
ellos/ellasinvestigaron

Ayer investigué un caso interesante.

Yesterday I investigated an interesting case.

Ellos investigaron el problema durante semanas.

They investigated the problem for weeks.

3.

Imperfecto

Ongoing or repeated actions in the past, descriptions, and background context.

yoinvestigaba
investigabas
él/ellainvestigaba
nosotrosinvestigábamos
vosotrosinvestigabais
ellos/ellasinvestigaban

Cuando era joven, investigaba mucho sobre ciencia.

When I was young, I researched a lot about science.

Nosotros investigábamos las costumbres de diferentes culturas.

We used to investigate the customs of different cultures.

4.

Futuro Simple

Future actions, predictions, and speculation about the present.

yoinvestigaré
investigarás
él/ellainvestigará
nosotrosinvestigaremos
vosotrosinvestigaréis
ellos/ellasinvestigarán

Mañana investigaré los resultados de la encuesta.

Tomorrow I will investigate the results of the survey.

Ellos investigarán las causas del accidente.

They will investigate the causes of the accident.

5.

Condicional

Hypothetical situations, polite requests, and future-in-the-past.

yoinvestigaría
investigarías
él/ellainvestigaría
nosotrosinvestigaríamos
vosotrosinvestigaríais
ellos/ellasinvestigarían

Si tuviera más tiempo, investigaría sobre el cambio climático.

If I had more time, I would investigate climate change.

Nosotros investigaríamos los efectos de la contaminación.

We would research the effects of pollution.

6.

Subjuntivo Presente

Wishes, doubts, emotions, and subordinate clauses expressing uncertainty.

yoinvestigue
investigues
él/ellainvestigue
nosotrosinvestiguemos
vosotrosinvestiguéis
ellos/ellasinvestiguen

Espero que tú investigues el tema a fondo.

I hope that you investigate the topic thoroughly.

Es importante que ellos investiguen las opciones disponibles.

It's important that they research the available options.

7.

Subjuntivo Imperfecto

Past subjunctive contexts, hypothetical si-clauses, and polite suggestions.

yoinvestigara
investigaras
él/ellainvestigara
nosotrosinvestigáramos
vosotrosinvestigarais
ellos/ellasinvestigaran

Si yo investigara más, podría encontrar respuestas.

If I researched more, I could find answers.

Ojalá que nosotros investigáramos el asunto antes de decidir.

I wish we had investigated the matter before deciding.

"investigar" in other languages

Related verbs

Common questions
Is "investigar" regular or irregular in Spanish?
"investigar" is a regular -ar verb in Spanish. It follows the standard conjugation pattern for -ar verbs.
How do you conjugate "investigar" in the present tense?
In the Presente, "investigar" conjugates as: investigas, investigo, investigan, and more. See the full table above.
What is the past tense of "investigar" in Spanish?
In the Pretérito Indefinido, "investigar" conjugates as: investigaste, investigué, investigaron, and more. See the full table above.
How common is "investigar" in Spanish?
"investigar" (to investigate, to research) is one of the most commonly used verbs in Spanish.