contribuir Present Conjugation
contribuir — to contribute
The present tense of contribuir adds a 'y' before endings: contribuyo, contribuyes, contribuye, contribuyen.
contribuir Present Forms
When to Use the Present
Use the present tense to talk about ongoing habits, general facts, or things you are currently doing to help a cause or project.
Notes on contribuir in the Present
This verb follows the 'u-to-uy' spelling change for all forms except 'nosotros' and 'vosotros'. This makes the sound consistent across the conjugation.
Example Sentences
Yo contribuyo con diez euros al mes.
I contribute ten euros a month.
yo
Él contribuye mucho al éxito del equipo.
He contributes a lot to the team's success.
él/ella/usted
Nosotros contribuimos con nuestro tiempo.
We contribute our time.
nosotros
Common Mistakes
Mistake: Writing 'contribuo' instead of 'contribuyo'.
Correct: contribuyo
Why: Verbs ending in -uir (where the 'u' is heard) need a 'y' to separate the vowels in the present tense.
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Related Tenses
Preterite
yo: contribuí
In the preterite, contribuir changes 'i' to 'y' in the third-person forms: contribuyó and contribuyeron.
Imperfect
yo: contribuía
The imperfect of contribuir is regular: contribuía, contribuías, contribuía, contribuíamos, contribuíais, contribuían.
Future
yo: contribuiré
The future tense of contribuir is regular: añadir the endings to the infinitive (contribuiré, contribuirás, etc.).
Conditional
yo: contribuiría
The conditional of contribuir is regular: añadir the endings -ía to the infinitive (contribuiría).
Present Subjunctive
yo: contribuya
The present subjunctive uses the 'y' stem from the 'yo' form: contribuya, contribuyas, contribuya...
Imperfect Subjunctive
yo: contribuyera
The imperfect subjunctive uses the 'y' from the preterite: contribuyera, contribuyeras, contribuyera...
Affirmative Imperative
yo: contribuye
Use 'contribuye' (tú) or 'contribuya' (usted) to tell someone to help out.
Negative Imperative
yo: no contribuyas
All negative commands for contribuir use the 'y' stem: no contribuyas, no contribuya, no contribuyamos.