cooperar Imperfect Subjunctive Conjugation
cooperar — to cooperate
The imperfect subjunctive of cooperar (cooperara, cooperaras, etc.) is used for past hypotheticals or wishes.
cooperar Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
This tense is for past situations that were hypothetical, uncertain, or contrary to fact. Think of 'if I *were* to cooperate...' or 'I wish you *would* cooperate...' It's also used in dependent clauses after expressions of doubt, emotion, or desire in the past.
Notes on cooperar in the Imperfect Subjunctive
Cooperar is regular in the imperfect subjunctive. Both the -ra and -se forms exist (e.g., 'cooperara' or 'cooperase'), but the -ra form is more common in everyday speech.
Example Sentences
Si cooperara más, el proyecto sería un éxito.
If he/she cooperated more, the project would be a success.
él/ella/usted
Ojalá cooperaras con nosotros en esto.
I wish you would cooperate with us on this.
tú
Dudaba que ellos cooperaran en la tarea.
I doubted that they would cooperate on the task.
ellos/ellas/ustedes
Sería bueno que cooperáramos todos.
It would be good if we all cooperated.
nosotros
Common Mistakes
Mistake: Using the imperfect indicative ('cooperaba') instead of the imperfect subjunctive ('cooperara').
Correct: For hypothetical or uncertain past situations, use 'cooperara' or 'cooperaras', etc.
Why: The imperfect indicative describes ongoing or habitual past actions, not hypotheticals or wishes.
Mistake: Forgetting the accent on the nosotros form 'cooperáramos'.
Correct: The 'nosotros' form requires an accent on the 'a': cooperáramos.
Why: The accent indicates the stressed syllable in this specific form.
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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.
Preterite
yo: cooperé
The preterite of cooperar is regular: cooperé, cooperaste, cooperó, cooperamos, cooperasteis, cooperaron.
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.
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'.