Afijo que se añade al final de una palabra o de su raíz para formar una palabra derivada
Answer:
you say your greeting based on the time of the day
Explanation:
Buenos dias = good morning
Buenas tardes = good afternoon
Buenas noches = good night
some of these are feminine, so you put type "buenas" instead of "buenos"
Answer is Ayudar , singe the Doctor is helping him
