Difference between “Por qué,” “Porque,” and “Porqué.” Each one has a different meaning. “Por qué,” is the interrogative “why.” ¿Por qué te fuiste? (Why did you leave?) No sé por qué lo hizo. (I don’t know why he did it.) “Porque,” together and without an accent mark. This one is the conjunction that begins the answers to the questions made with “¿por qué?” Porque estaba aburrida. (Because I was bored.) Lo hizo porque estaba enfadado con Carmen. (He did it because he was angry at Carmen.) “Porqué