Describe two instances in which you would use the verbs ser and estar.

Instance 1: When talking about nationality or origin, the verb "ser" would be used. For example, you would say "Soy de España" (I am from Spain) using the verb "ser" to indicate your nationality.

Instance 2: When talking about the location or temporary state of someone or something, the verb "estar" would be used. For example, you would say "Estoy en casa" (I am at home) using the verb "estar" to indicate your current location.