Ser means do like “Does he know what to do”
En el verano me gusta ir a nadar. Una de mis aficiones es construir castillos de arena. En el invierno me gusta ir a esquiar. El esquí es mi pasatiempo favorito!
In the summer I like to go swimming. One of my hobbies is building sand castles. In the winter I like to go skiing. Skiing is my favorite hobby.
Answer:
sorry i did not take spanish class
Try to look it up they have bunch of answers i literally just checked so