Estaba corriendo it’s past tense
Answer: Tú corriste muy rápido
Explanation:
Use pretérito since it's a completed action and conjugate the verb : <u>correr</u> in the tú form.
Translation: Knowing that a and b are parallel, find their measurements
I'll help, what do you need?
Ana pasaba por la calle
Emilio y Ana abrieron el libro
Yo vivía en México
