Carlos me dijo que le gustaba el dominó, pero que no conocía las reglas del juego.Carlos told me he liked dominoes, but he didn't know the rules of the game.
Sara dice que reprobó el examen de química porque no conocía la fórmula del hidróxido de sodio.Sara says she failed her chemistry test because she didn't know the formula for sodium hydroxide.
Así que, señora Miller, dice que no conocía a su vecino de al lado porque se acababa de mudar recientemente. ¿Es así?So, Mrs. Miller, you're saying you didn't know your next-door neighbor because he'd recently moved in. Is that right?