
contribuir Conditional Conjugation
contribuir — to contribute
The conditional of contribuir is regular: añadir the endings -ía to the infinitive (contribuiría).
contribuir Conditional Forms
When to Use the Conditional
Use it to say what you 'would' contribute under certain conditions or to make polite offers.
Notes on contribuir in the Conditional
The verb is regular in this tense. It uses the same stem as the future (the infinitive) but with imperfect-style endings.
Example Sentences
Yo contribuiría si tuviera más dinero.
I would contribute if I had more money.
yo
¿Contribuirías con nosotros en este plan?
Would you contribute with us in this plan?
tú
Nosotros contribuiríamos si fuera necesario.
We would contribute if it were necessary.
nosotros
Common Mistakes
Mistake: Confusing the conditional with the imperfect indicative.
Correct: contribuiría (conditional) vs contribuía (imperfect)
Why: The conditional keeps the 'r' from the infinitive before the ending.
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Related Tenses
Present
yo: contribuyo
The present tense of contribuir adds a 'y' before endings: contribuyo, contribuyes, contribuye, contribuyen.
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.).
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.