prevenir
to prevent/warn
Non-Conjugated Forms
prevenir
to prevent/warn
preveniendo
Present Participle
prevenido
Used in perfect tenses
Indicative Mood
Used for statements of fact, certainty, and objective reality
| Person | |||||
|---|---|---|---|---|---|
| yo | prevengo | previne | prevenía | prevendré | preveniría |
| tú | previenes | previniste | prevenías | prevendrás | prevenirías |
| él/ella/usted | previene | previno | prevenía | prevendrá | preveniría |
| nosotros | prevenimos | previnimos | preveníamos | prevendremos | preveniríamos |
| vosotros | prevenís | previnisteis | preveníais | prevendréis | preveniríais |
| ellos/ellas/ustedes | previenen | previnieron | prevenían | prevendrán | prevenirían |
| Quick Test | Quick Test | Quick Test | Quick Test | Quick Test |
Perfect Tenses
Compound tenses using auxiliary verb "haber" + past participle
| Person | ||||
|---|---|---|---|---|
| yo | he prevenido | había prevenido | habré prevenido | habría prevenido |
| tú | has prevenido | habías prevenido | habrás prevenido | habrías prevenido |
| él/ella/usted | ha prevenido | había prevenido | habrá prevenido | habría prevenido |
| nosotros | hemos prevenido | habíamos prevenido | habremos prevenido | habríamos prevenido |
| vosotros | habéis prevenido | habíais prevenido | habréis prevenido | habríais prevenido |
| ellos/ellas/ustedes | han prevenido | habían prevenido | habrán prevenido | habrían prevenido |
| Quick Test | Quick Test | Quick Test | Quick Test |
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 | Literary / Spain | ||
|---|---|---|---|
| yo | prevena | preveniera | preveniese |
| tú | prevenas | prevenieras | prevenieses |
| él/ella/usted | prevena | preveniera | preveniese |
| nosotros | prevenamos | preveniéramos | preveniésemos |
| vosotros | prevenáis | prevenierais | prevenieseis |
| ellos/ellas/ustedes | prevenan | prevenieran | preveniesen |
| Quick Test | Quick Test | Quick Test |
Literary / Spain
Imperative Mood
Used for commands, requests, and instructions
| Person | |
|---|---|
| yo | - |
| tú | prevene |
| él/ella/usted | prevena |
| nosotros | prevenamos |
| vosotros | prevenid |
| ellos/ellas/ustedes | prevenan |
| Quick Test |
🎯 Practice prevenir
Test your knowledge of prevenir conjugations across multiple tenses
Irregular Verb
This is an irregular verb, so it doesn't follow the standard conjugation patterns. You'll need to memorise the irregular forms, especially in the present indicative and preterite.
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
-ir verb
Verb Type
Irregular verb
Importance Rank
#78 out of 100
Usage Tips
Practice Suggestion
Try creating your own sentences with this verb. Start with simple present tense sentences and gradually work up to more complex constructions.