Question

write. what are your parents,sisters brothers going to do on Sunday

Answer 1

My parents are going to plant some flowers in our yard on Sunday.
My sisters are going to play with their friends on Sunday
My brothers are going to play football on Sunday.

Answer 2

My mother is going to have a rest on Sunday.
My father is going to visit a dictor on Sunday.
My little sister and brother are going to be in the park on Sunday.
My elder brother is going to play the football with his friends on Sunday.
I am going to visit my grandparents on Sunday.