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