intervenir
to intervene, to participate
La policía intervino a tiempo.
The police intervened in time.
intervenir present indicative
Habitual and ongoing actions in the present.
intervenir present continuous
Action in progress right now. Periphrastic: estar (present) + gerund.
intervenir preterite
Completed actions at a specific moment in the past.
intervenir imperfect
Habitual past actions, descriptions, background.
intervenir present perfect
Completed actions with present relevance. Auxiliary haber + participle.
intervenir future
Actions yet to happen.
intervenir informal future
Near-future plans. Periphrastic: ir (present) + a + infinitive.
intervenir future perfect
Action that will have been completed by a future moment. Auxiliary haber (future) + participle.
intervenir conditional
Hypothetical or polite would-actions.
intervenir conditional perfect
Hypothetical past: would have done. Auxiliary haber (conditional) + participle.
intervenir pluperfect
An action completed before another past action.
intervenir subjunctive present
Desires, doubts, and hypotheticals in the present.
intervenir subjunctive imperfect
Past subjunctive: desires, doubts, hypotheticals in the past.
intervenir subjunctive present perfect
Completed actions in subjunctive contexts.
intervenir subjunctive pluperfect
Past-perfect actions in subjunctive contexts.
intervenir imperative (affirmative)
Affirmative commands.
intervenir imperative (negative)
Negative commands: borrows subjunctive present.