comprobar conjugation
to verify/check
📚 comprobar is a stem-changing verb (o-ue). Learn more in our Stem-Changing Verbs Guide
Comprobar Non-Conjugated Forms
Infinitive
comprobar
to verify/check
Gerund
comprobando
Present Participle
Past Participle
comprobado
Used in perfect tenses
Comprobar Indicative Mood
Used for statements of fact, certainty, and objective reality
| Person | Present📖 | Preterite📖 | Imperfect📖 | Future | Conditional |
|---|---|---|---|---|---|
| yo | compruebo | comprobé | comprobaba | comprobaré | comprobaría |
| tú | compruebas | comprobaste | comprobabas | comprobarás | comprobarías |
| él/ella/usted | comprueba | comprobó | comprobaba | comprobará | comprobaría |
| nosotros | comprobamos | comprobamos | comprobábamos | comprobaremos | comprobaríamos |
| vosotros | comprobáis | comprobasteis | comprobabais | comprobaréis | comprobaríais |
| ellos/ellas/ustedes | comprueban | comprobaron | comprobaban | comprobarán | comprobarían |
| Quick Test | Quick Test | Quick Test | Quick Test | Quick Test |
Present📖
Preterite📖
Imperfect📖
Future
Conditional
Comprobar Perfect Tenses
Compound tenses using auxiliary verb "haber" + past participle
| Person | Present Perfect📖 | Past Perfect📖 | Future Perfect📖 | Conditional Perfect📖 |
|---|---|---|---|---|
| yo | he comprobado | había comprobado | habré comprobado | habría comprobado |
| tú | has comprobado | habías comprobado | habrás comprobado | habrías comprobado |
| él/ella/usted | ha comprobado | había comprobado | habrá comprobado | habría comprobado |
| nosotros | hemos comprobado | habíamos comprobado | habremos comprobado | habríamos comprobado |
| vosotros | habéis comprobado | habíais comprobado | habréis comprobado | habríais comprobado |
| ellos/ellas/ustedes | han comprobado | habían comprobado | habrán comprobado | habrían comprobado |
| Quick Test | Quick Test | Quick Test | Quick Test |
Present Perfect📖
Past Perfect📖
Future Perfect📖
Conditional Perfect📖
Comprobar Subjunctive Mood
Used for doubt, emotion, desire, possibility, and hypothetical situations
The imperfect subjunctive has two forms: -ra (more common in speech) and -se (more literary, common in Spain). Both are equally correct and interchangeable.
| Person | Present Subj. | Imperf. Subj. (-ra) | Imperf. Subj. (-se) Literary / Spain |
|---|---|---|---|
| yo | compruebe | comprobara | comprobase |
| tú | compruebes | comprobaras | comprobases |
| él/ella/usted | compruebe | comprobara | comprobase |
| nosotros | comprobemos | comprobáramos | comprobásemos |
| vosotros | comprobéis | comprobarais | comprobaseis |
| ellos/ellas/ustedes | comprueben | comprobaran | comprobasen |
| Quick Test | Quick Test | Quick Test |
Present Subj.
Imperf. Subj. (-ra)
Imperf. Subj. (-se)Literary / Spain
Comprobar Imperative Mood
Used for commands, requests, and instructions
| Person | Imperative |
|---|---|
| yo | - |
| tú | comprueba |
| él/ella/usted | compruebe |
| nosotros | comprobemos |
| vosotros | comprobad |
| ellos/ellas/ustedes | comprueben |
| Quick Test |
Imperative
🎯 Practice comprobar
Test your knowledge of comprobar conjugations across multiple tenses
Stem Change Pattern: o-ue
This verb follows the o-ue pattern. The stem change occurs in present indicative and present subjunctive, affecting the "boot" forms (yo, tú, él/ella/usted, ellos/ellas/ustedes). Some -ir verbs also have stem changes in preterite (él/ella and ellos/ellas forms).
Usage Tips
- Indicative: Use for facts, statements, and objective reality
- Subjunctive: Use after expressions of doubt, emotion, desire, or uncertainty
- Imperative: Use for direct commands and requests
- Perfect Tenses: Use to express actions completed relative to another time
Examples and Common Phrases
Examples
Common Phrases
Verb Information
Category
Actions
Ending Type
-ar verb
Verb Type
Stem-changing verb
Frequency
Top 100 most common
Usage Tips
Remember the "Boot"
Stem-changing verbs change in a "boot" shape: yo, tú, él/ella, and ellos/ellas change, but nosotros and vosotros don't. Draw a boot around the changing forms to remember!
Practice Suggestion
Try creating your own sentences with this verb. Start with simple present tense sentences and gradually work up to more complex constructions.