To say what someone is like, we use the verb SER, with the adjective. Don't forget that the adjective must agree with the gender of the person you're talking about. For example: Soy alegre - I'm a happy person, Tú eres listo/a - you're clever, Usted es generoso/a - you are generous, Ella es divertida, él es divertido - she/he is fun, Nosotros/as somos impacientes - impatient, Vosotros/as sois simpáticos/as - nice, Ustedes son amables - kind, Ellos son tímidos/as - shy, Ellas son entusiastas - enthusiastic