interrogar Preterite Conjugation
interrogar — to interrogate
The preterite has a spelling change only in the 'yo' form: interrogué, interrogaste, interrogó, interrogamos, interrogasteis, interrogaron.
interrogar Preterite Forms
When to Use the Preterite
Use the preterite for a completed act of questioning that happened at a specific time in the past.
Notes on interrogar in the Preterite
Only the 'yo' form is irregular (interrogué) to preserve the hard 'g' sound. All other forms are regular.
Example Sentences
Ayer interrogué al nuevo empleado.
Yesterday I interrogated the new employee.
yo
El detective interrogó al culpable por tres horas.
The detective interrogated the culprit for three hours.
él/ella/usted
Ellos nos interrogaron en la frontera.
They interrogated us at the border.
ellos/ellas/ustedes
Common Mistakes
Mistake: Writing 'interrogue' for the past 'I interrogated'.
Correct: interrogué
Why: Without the accent, 'interrogue' is the present subjunctive. The preterite 'yo' form always needs the accent.
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Related Tenses
Present
yo: interrogo
The present tense of interrogar is completely regular: interrogo, interrogas, interroga, interrogamos, interrogáis, interrogan.
Imperfect
yo: interrogaba
The imperfect of interrogar is regular: interrogaba, interrogabas, interrogaba, interrogábamos, interrogabais, interrogaban.
Future
yo: interrogaré
The future tense is formed by adding endings to the infinitive: interrogaré, interrogarás, interrogará, interrogaremos, interrogaréis, interrogarán.
Conditional
yo: interrogaría
The conditional adds endings to the infinitive: interrogaría, interrogarías, interrogaría, interrogaríamos, interrogaríais, interrogarían.
Present Subjunctive
yo: interrogue
The present subjunctive of interrogar changes 'g' to 'gu' in all forms: interrogue, interrogues, interrogue, interroguemos, interroguéis, interroguen.
Imperfect Subjunctive
yo: interrogara
The imperfect subjunctive is formed from the third-person plural preterite: interrogara, interrogaras, interrogara, interrogáramos, interrogarais, interrogaran.
Affirmative Imperative
yo: interroga
The affirmative imperative uses 'interroga' (tú) and 'interrogue' (usted), with a spelling change in most forms.
Negative Imperative
yo: no interrogues
The negative imperative uses the present subjunctive: no interrogues, no interrogue, no interroguemos, no interroguéis, no interroguen.