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