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Grammar Guide

Rules, patterns and examples grouped by level — from A1 basics to advanced structures.

A1 Beginner English Grammar

Pasado Simple de “To Be”

¿Qué es?

Las formas del pasado simple de to be son was y were.

Usa was con:

  • I
  • he
  • she
  • it

Usa were con:

  • you
  • we
  • they

Ejemplos:

  • I was tired.
  • She was at home.
  • We were busy.
  • They were happy.

Las formas negativas son was not y were not.

Las formas cortas comunes son:

  • was not → wasn’t
  • were not → weren’t

Cuándo usar

Usa el pasado simple de to be para hablar de:

  • estados pasados: I was tired.
  • sentimientos pasados: She was nervous.
  • lugares pasados: They were at school.
  • edades pasadas: He was ten years old.
  • descripciones pasadas: The room was small.
  • situaciones pasadas: We were very busy.
  • fechas y horas pasadas: It was Monday.

Estructura

Oraciones afirmativas

Sujeto Forma Ejemplo
I was I was at work.
He / She / It was She was happy.
You / We / They were They were at home.

Estructura:

sujeto + was/were + complemento

  • He was tired.
  • We were late.

Oraciones negativas

Sujeto Forma completa Forma corta
I / He / She / It was not wasn’t
You / We / They were not weren’t

Estructura:

sujeto + was not/were not + complemento

  • I wasn’t hungry.
  • They weren’t ready.

Preguntas

Estructura:

Was/Were + sujeto + complemento?

  • Was she at home?
  • Were they tired?
  • Were you busy?

Respuestas cortas

  • Was he late? — Yes, he was.
  • Was she tired? — No, she wasn’t.
  • Were they at school? — Yes, they were.
  • Were you busy? — No, I wasn’t.

Ejemplos

  1. I was very tired yesterday.
  2. She was at the office this morning.
  3. He wasn’t ready for the meeting.
  4. It was cold last night.
  5. We were happy with the result.
  6. You were very quiet yesterday.
  7. They weren’t at home.
  8. Was your brother at school?
  9. Were the shops open?
  10. Where were you last weekend?

Excepciones

Usa were en lugar de was en algunas expresiones formales o irreales con I, he, she o it.

  • If I were you, I would wait.
  • I wish she were here.

En inglés informal, a veces se usa was en estas expresiones, pero were es la forma estándar.

Errores comunes

  1. Incorrecto: I were tired yesterday. Correcto: I was tired yesterday. Explicación: Usa was con I.

  2. Incorrecto: They was at home. Correcto: They were at home. Explicación: Usa were con they.

  3. Incorrecto: She didn’t be happy. Correcto: She wasn’t happy. Explicación: No uses didn’t con el pasado simple de to be.

  4. Incorrecto: Did he was at work? Correcto: Was he at work? Explicación: No uses did en preguntas con was o were.

  5. Incorrecto: We wasn’t ready. Correcto: We weren’t ready. Explicación: Usa weren’t con we.

  6. Incorrecto: Were she at school? Correcto: Was she at school? Explicación: Usa was con she.

  7. Incorrecto: I was not at home? Correcto: Was I not at home? Explicación: Coloca was antes del sujeto para formar una pregunta.

  8. Incorrecto: They were not tired? Correcto: Weren’t they tired? Explicación: En preguntas, coloca were o weren’t antes del sujeto.