Write a letter to a friend in britain. tell him/her about your family, school and hobbies

Hi friends! How are you? Talk me about this in next letter, please.
I want to tell you about my family, is not big. My family have a mother, father, elder brother and me. I love they and they love me.
In school I have a few friends. They helping me if I dont understand sintance.
My favourite hobby is football. Every Sunday I am going at gym and play football. Sometimes I am read books with my family. I am play at computer games.
Best wishes