Change the future?

Sophia Potter and Everyone else gets send a book from the Future, can they change it this time around?
FemHarry/George
Fred/Angelina
Bill/Fleur
Seamus/Lavender
Hermione/Ron
Ginny/Dean
Sirius/Amelia
Molly/Arthur
Neville/Luna
PastFemHarry/Neville
PastCho/Cedric