From Day 3: Abajo (Downstairs)
Tú eres Marta
Spanish normally leaves tú (“you”) out because the verb already identifies the person:
Hear it in the conversation
Amparo
Tú eres Marta, la de Teruel.
You’re Marta, the one from Teruel.
- Day 1: Soy Marta — “I’m Marta”; no yo needed.
- Day 3: Eres Marta — “You’re Marta”; no tú needed.
Amparo adds tú in Tú eres Marta for emphasis: she has identified Marta.