Perder Conjugation: all tenses with charts

perder — present

presente · What is true now, what happens regularly, and settled plans.

perder — preterite

pretérito indefinido · A finished event that moves the story forward.

perder — imperfect

pretérito imperfecto · Habits, background and description in the past.

perder — future

futuro simple · What will happen — and guesses about what is happening now.

perder — conditional

condicional simple · Would: polite requests and unreal situations.

perder — present subjunctive

presente de subjuntivo · After wish, doubt, emotion and necessity.

perder — imperfect subjunctive

imperfecto de subjuntivo · Past-tense triggers and si clauses about the unreal.

The -se forms mean exactly the same: perdiese, perdieses, perdiese…

perder — commands

imperativo · the negative forms come from the subjunctive, which is why they never match the affirmative ones.

perder — compound tenses

All of them are haber plus the participle perdido — learn haber once and every compound tense comes free.