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