
cooperar Preterite Conjugation
cooperar — to cooperate
The preterite of cooperar is regular: cooperé, cooperaste, cooperó, cooperamos, cooperasteis, cooperaron.
cooperar Preterite Forms
When to Use the Preterite
Use the preterite tense to talk about specific, completed actions of cooperating in the past. For example, 'I cooperated yesterday' or 'They cooperated on that one occasion'. It emphasizes the action as finished.
Notes on cooperar in the Preterite
Cooperar is a regular -ar verb and is completely regular in the preterite tense. All forms follow the standard conjugation pattern.
Example Sentences
Yo cooperé con el equipo en el proyecto.
I cooperated with the team on the project.
yo
¿Cooperaste en la cena de anoche?
Did you cooperate on last night's dinner?
tú
Ella cooperó para resolver el problema.
She cooperated to solve the problem.
él/ella/usted
Ellos cooperaron para limpiar la playa.
They cooperated to clean the beach.
ellos/ellas/ustedes
Common Mistakes
Mistake: Using the imperfect 'cooperaba' instead of the preterite 'cooperé' for a single past action.
Correct: Use 'cooperé' for a specific instance of cooperation that started and finished.
Why: The imperfect describes ongoing or habitual past actions, while the preterite marks completed events.
Mistake: Forgetting the accent on the 'yo' form 'cooperé'.
Correct: The 'yo' form needs an accent on the final 'e': cooperé.
Why: The accent distinguishes this preterite form and marks the stress.
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Related Tenses
Present
yo: coopero
The present tense of cooperar (coopero, cooperas, etc.) means 'I cooperate', 'you cooperate', etc., used for current or habitual actions.
Imperfect
yo: cooperaba
The imperfect of cooperar (cooperaba, cooperabas, etc.) describes past habits or ongoing actions.
Future
yo: cooperaré
The future tense of cooperar (cooperaré, cooperarás, etc.) indicates actions that will happen.
Conditional
yo: cooperaría
The conditional of cooperar (cooperaría, cooperarías, etc.) expresses 'would' cooperate or polite requests.
Present Subjunctive
yo: coopere
The present subjunctive of cooperar (coopere, cooperes, etc.) is used after expressions of desire, doubt, or emotion.
Imperfect Subjunctive
yo: cooperara
The imperfect subjunctive of cooperar (cooperara, cooperaras, etc.) is used for past hypotheticals or wishes.
Affirmative Imperative
yo: coopera
Imperative commands for cooperar: coopera (tú), coopere (usted), cooperemos (nosotros), cooperen (ustedes), cooperad (vosotros).
Negative Imperative
yo: no cooperes
Negative commands for cooperar use the present subjunctive after 'no'.