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