indagar Preterite Conjugation
indagar — to investigate
Indagar is regular in the preterite except for the 'yo' form, which changes to 'indagué'.
indagar Preterite Forms
When to Use the Preterite
Use the preterite for a completed act of investigation that happened at a specific point in time.
Notes on indagar in the Preterite
Only the 'yo' form is irregular (spelling change). Because the ending is '-é', the 'g' must change to 'gu' to maintain the sound. All other forms (indagaste, indagó, etc.) are regular.
Example Sentences
Indagué sobre el precio de los vuelos ayer.
I looked into the price of flights yesterday.
yo
El detective indagó en el pasado del sospechoso.
The detective investigated the suspect's past.
él/ella/usted
Indagamos sobre la historia del edificio.
We researched the history of the building.
nosotros
Common Mistakes
Mistake: Writing 'indagé' for the 'yo' form.
Correct: indagué
Why: Without the 'u', the 'g' would sound like an 'h' or 'j' (in-da-hé).
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Related Tenses
Present
yo: indago
Indagar is completely regular in the present indicative: indago, indagas, indaga, indagamos, indagáis, indagan.
Imperfect
yo: indagaba
The imperfect of indagar is regular: indagaba, indagabas, indagaba, indagábamos, indagabais, indagaban.
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.