If Harry had not been a wizard
he would/would not have...
If Harry and Ron had not saved Hermione from the troll
She would/would not have...
If Voldemort had not killed Harry's parents
Harry would/would not have...
If Harry had not been given the invisibility cloak as a present
He would/ would not have..
If Harry and Cedric had not grabbed the trophy at the same time
Cedric would/would not have...
If Harry had not bought all the chocolate from the trolley
There would/There wouldn't have...
If Harry had not saved Fleur Delacour's sister
Fleur's sister would have/wouldn't have...
If Dudley had been nicer to Harry
Harry would have/would not have...
If Draco had not been mean to Buckbeak
Buckbeak would have/would not have
If Neville had not tried to stop Harry, Ron and Hermione from getting the Philosophers stone
He would have/ would not have...
If Fawkes had not cried on Harry's wound
Harry would have/would not have...
If Hermione had not had a mirror when the basilisk was attacking her
She would have/would not have...
If Hermione and Harry had not used the time turner
Buckbeak/Sirius Black would have/would not have...
If Harry had not found Snapes old spell book
Harry would have/would not have...
If Harry had been sorted into Slytherin
He would have/would not have...
If Hermione had been sorted into Ravenclaw
She would have/would not have...
