The correct word from the given option list is "la frase está escrita correctamente"
Esto se refiere al uso de tiempos verbales para hablar sobre eventos pasados y cómo toman diferentes formas.
Hence, we can see that the given imperfect tense is correctly written: "la frase está escrita correctamente" as it shows the time reference in relation to the action.
Read more about imperfect tenses here:
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