desconocer
to not be familiar with, to not know, to not recognize
Desconozco los detalles del caso.
I don't know the details of the case.
desconocer present indicative
Habitual and ongoing actions in the present.
desconocer present continuous
Action in progress right now. Periphrastic: estar (present) + gerund.
desconocer preterite
Completed actions at a specific moment in the past.
desconocer imperfect
Habitual past actions, descriptions, background.
desconocer present perfect
Completed actions with present relevance. Auxiliary haber + participle.
desconocer future
Actions yet to happen.
desconocer informal future
Near-future plans. Periphrastic: ir (present) + a + infinitive.
desconocer future perfect
Action that will have been completed by a future moment. Auxiliary haber (future) + participle.
desconocer conditional
Hypothetical or polite would-actions.
desconocer conditional perfect
Hypothetical past: would have done. Auxiliary haber (conditional) + participle.
desconocer pluperfect
An action completed before another past action.
desconocer subjunctive present
Desires, doubts, and hypotheticals in the present.
desconocer subjunctive imperfect
Past subjunctive: desires, doubts, hypotheticals in the past.
desconocer subjunctive present perfect
Completed actions in subjunctive contexts.
desconocer subjunctive pluperfect
Past-perfect actions in subjunctive contexts.
desconocer imperative (affirmative)
Affirmative commands.
desconocer imperative (negative)
Negative commands: borrows subjunctive present.