SPOCK: Speech and communication, Perceptions, Occurrences and events, Certainty, and Knowledge and understanding.
Concept/Related verbs:
Speech and communication: Decir, describir, gritar, indicar, mencionar, repetir, revelar,señalar, asegurar, comentar, afirmar, aludir a, etc.
Perceptions: Notar, observar, oír, percibir, encontrarse, ver, etc.
Occurrences and events: Ocurrir, suceder, pasar, acontecer, etc.
Certainty: es claro que, es seguro que, es cierto que, es obvio que, no es posible que, es evidente que, etc.
Knowledge and understanding: Creer, saber, averiguar, leer, enterarse de, aprender, etc.