Ответ:
on saturday morning we are going to have breakfast
*visit my grandmother
*go to beach
on saturday afternoon we are going to swim
*take a shower
*have lunch
on saturday evening we are going to play volleyball
* chat with each other
* have dinner
on sunday morning we are going to have breakfast
*clean our home
*do homework
on sunday afternoon we are going to do some exercises
*change our clothes
*have lunch
on sunday evening we are going to watch TV
*read a book
*have dinner