Definición / Explicación
Usamos because para dar una razón y so para dar un resultado. Las dos ideas están conectadas, pero la dirección es diferente. I stayed home because I was ill empieza con el resultado y luego da la razón. I was ill, so I stayed home empieza con la razón y luego da el resultado. Aprender este contraste te ayuda a construir oraciones claras y lógicas.
Reglas clave
- Usa because + reason: I stayed home because I was ill.
- Usa so + result: I was ill, so I stayed home.
- Because responde “Why?”
- So responde “What happened because of that?”
- No uses ambos en el mismo patrón simple: no because..., so...
Ejemplos
- I stayed home because I was ill. - Me quedé en casa porque estaba enfermo.
- I was ill, so I stayed home. - Estaba enfermo, así que me quedé en casa.
- She was tired, so she went to bed early. - Ella estaba cansada, así que se fue a la cama temprano.
- We took a taxi because it was late. - Tomamos un taxi porque era tarde.
- He didn't go out because he had work. - No salió porque tenía trabajo.
Errores comunes
- ❌ I stayed home because I was ill, so I rested. -> ✅ I stayed home because I was ill. / ✅ I was ill, so I stayed home.
- ❌ She went to bed early because so she was tired. -> ✅ She went to bed early because she was tired.
- ❌ We took a taxi so it was late. -> ✅ We took a taxi because it was late.