Answer:
What are the possible answer choices?
You are asking: "In what situations, when you use the verb to know?"
Infinitivo
Presente
saber
Explanation:
Presente
(yo) sé
(tú) sabes
(él) sabe
(ns) sabemos
(vs) sabéis
(ellos) saben
Infinitivo
Presente
saber
Compuesto
haber sabido