Hope=possibly happening, wish= not definite happening.
We hope that they will come.(we don’t know if they are coming)
We wish that they would come.( they are not coming)
Present wish : I wish that I had enough time to finish my homework.( I don’t have enough time). I wish I were rich.
Past wish: We wish that you had been here last night.( you dint come), she wishes that she could have been there.
Future wish: we wish that you could come to the party tonight( you cant come), she wishes that she were coming with us( she is not coming with us), I wish that you would stop saying that.( you probably wont stop)