pisar
to step, to walk, to tread
No pises el césped.
Don't step on the grass.
pisar present indicative
Habitual and ongoing actions in the present.
pisar present continuous
Action in progress right now. Periphrastic: estar (present) + gerund.
pisar preterite
Completed actions at a specific moment in the past.
pisar imperfect
Habitual past actions, descriptions, background.
pisar present perfect
Completed actions with present relevance. Auxiliary haber + participle.
pisar future
Actions yet to happen.
pisar informal future
Near-future plans. Periphrastic: ir (present) + a + infinitive.
pisar future perfect
Action that will have been completed by a future moment. Auxiliary haber (future) + participle.
pisar conditional
Hypothetical or polite would-actions.
pisar conditional perfect
Hypothetical past: would have done. Auxiliary haber (conditional) + participle.
pisar pluperfect
An action completed before another past action.
pisar subjunctive present
Desires, doubts, and hypotheticals in the present.
pisar subjunctive imperfect
Past subjunctive: desires, doubts, hypotheticals in the past.
pisar subjunctive present perfect
Completed actions in subjunctive contexts.
pisar subjunctive pluperfect
Past-perfect actions in subjunctive contexts.
pisar imperative (affirmative)
Affirmative commands.
pisar imperative (negative)
Negative commands: borrows subjunctive present.