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calentar

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to heat

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pensar Stem change e→ie

Pensar changes e to ie when the stem is stressed: pienso, piensas, piensa, pensamos, pensáis, piensan. This is the classic 'boot' for -ar verbs. Similar: cerrar, empezar, negar, sentar.

Conjugation

View endings (Guide)

Indicativo — Indicativo

Subjuntivo — Subjuntivo

Imperativo — Imperativo

Formas impersonales

These are the non‑finite verb forms used in combinations and constructions.

  • Infinitivocalentar
  • Infinitivo compuestohaber calentado
  • Gerundiocalentando
  • Gerundio compuestohabiendo calentado
  • Participiocalentado

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