indagar Imperfect Conjugation
indagar — to investigate
The imperfect of indagar is regular: indagaba, indagabas, indagaba, indagábamos, indagabais, indagaban.
indagar Imperfect Forms
When to Use the Imperfect
Use this for ongoing or habitual investigations in the past (e.g., 'I used to investigate' or 'I was investigating').
Notes on indagar in the Imperfect
The verb is fully regular in the imperfect. It uses the standard -aba endings for -ar verbs.
Example Sentences
Él indagaba en el bosque todos los días.
He used to explore/investigate in the woods every day.
él/ella/usted
Mientras yo indagaba, ella tomaba notas.
While I was investigating, she was taking notes.
yo
Indagábamos sobre nuestros antepasados.
We were researching our ancestors.
nosotros
Common Mistakes
Mistake: Forgetting the accent on the 'nosotros' form.
Correct: indagábamos
Why: All -ar verbs in the imperfect have an accent on the 'á' in the nosotros form.
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Related Tenses
Present
yo: indago
Indagar is completely regular in the present indicative: indago, indagas, indaga, indagamos, indagáis, indagan.
Preterite
yo: indagué
Indagar is regular in the preterite except for the 'yo' form, which changes to 'indagué'.
Future
yo: indagaré
The future tense of indagar is regular: indagaré, indagarás, indagará, indagaremos, indagaréis, indagarán.
Conditional
yo: indagaría
The conditional of indagar is regular: indagaría, indagarías, indagaría, indagaríamos, indagaríais, indagarían.
Present Subjunctive
yo: indague
The present subjunctive of indagar requires a spelling change from 'g' to 'gu' in all forms: indague, indagues, indague, indaguemos, indaguéis, indaguen.
Imperfect Subjunctive
yo: indagara
The imperfect subjunctive is formed from the third-person plural preterite: indagara, indagaras, indagara, indagáramos, indagarais, indagaran.
Affirmative Imperative
yo: indaga
The imperative uses the 'g' to 'gu' spelling change for formal commands and 'nosotros'.
Negative Imperative
yo: no indagues
All negative commands for indagar use the present subjunctive forms: no indagues, no indague, no indaguemos, no indaguéis, no indaguen.