ser aburrido
to be boring
estar aburrido
to be bored
ser bueno
to be a good person/thing
estar bueno
to taste good
ser malo
to be a bad person/thing
estar malo
to be sick
ser callado
to be a quiet person
estar callado
to keep quiet
ser listo
to be clever
estar listo
to be ready
ser vivo
to sharp
estar vivo
to be alive
ser rico
to be rich
estar rico
to taste good
ser seguro
to be safe, reliable
estar seguro
to be certain, sure
ser verde
to be green in color
estar verde
to be unripe
ser atento
courteous
estar atento
to be attentive
ser fresco
impudent, insolent
estar fresco
fresh, just made
ser libre
to not be incarcerated
estar libre
to have time