derribar
to bring down, to shoot down, to knock down
Derribaron el edificio antiguo.
They tore down the old building.
derribar present indicative
Habitual and ongoing actions in the present.
derribar present continuous
Action in progress right now. Periphrastic: estar (present) + gerund.
derribar preterite
Completed actions at a specific moment in the past.
derribar imperfect
Habitual past actions, descriptions, background.
derribar present perfect
Completed actions with present relevance. Auxiliary haber + participle.
derribar future
Actions yet to happen.
derribar informal future
Near-future plans. Periphrastic: ir (present) + a + infinitive.
derribar future perfect
Action that will have been completed by a future moment. Auxiliary haber (future) + participle.
derribar conditional
Hypothetical or polite would-actions.
derribar conditional perfect
Hypothetical past: would have done. Auxiliary haber (conditional) + participle.
derribar pluperfect
An action completed before another past action.
derribar subjunctive present
Desires, doubts, and hypotheticals in the present.
derribar subjunctive imperfect
Past subjunctive: desires, doubts, hypotheticals in the past.
derribar subjunctive present perfect
Completed actions in subjunctive contexts.
derribar subjunctive pluperfect
Past-perfect actions in subjunctive contexts.
derribar imperative (affirmative)
Affirmative commands.
derribar imperative (negative)
Negative commands: borrows subjunctive present.