When we wish to talk about unreal situations in the present.
if / person / past simple , person / would could or should / normal action / complement
Example:
If he had more money, he would be all right.
Hope/Wish.
We use wish to talk about things we would like to be different in the present or future.
We use Hope to express hopes about the future.
Example:
I wish you were here.
I wish i had enough money to go on vacations.
I hope you can come to Pete's party on the 26.