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