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