Sure! The Spanish Preterit Tense question "¿Cómo supiste tú que Juan viajó a Puerto Rico?" can be translated into English as "How did you know that Juan traveled to Puerto Rico?"
Here's a breakdown of the translation:
1. "¿Cómo" translates to "How" in English.
2. "supiste tú" translates to "did you know" in English, where "supiste" comes from the verb "saber" (to know) conjugated in the past tense, and "tú" means "you."
3. "que" translates to "that" in English, serving as a conjunction.
4. "Juan viajó" translates to "Juan traveled" in English, where "viajó" comes from the verb "viajar" (to travel) conjugated in the past tense.
5. "a Puerto Rico" translates to "to Puerto Rico" in English, indicating the destination of Juan's travel.
Therefore, when you put it all together, the English translation is "How did you know that Juan traveled to Puerto Rico?"