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