Мы употребляем wish для:
I wish you all the best in your new job.
I accidentally saw Tina before the exam, and she wished me good luck.
I wish you every success in your enterprise.
I hope you'll read my email before making a decision.
Выражения сожаления о текущей ситуации
I wish it wasn't so cold.
I wish you knew what to do in this situation.
Do you wish you lived near the sea?
These seats are very uncomfortable. I wish we were travelling first class.
Выражения сожаления о чем-нибудь в прошлом
I wish I hadn’t spent so much money in one night.
It was a stupid thing to say. I wish I hadn’t said it.
Mary wishes she had listened to what her mother told her.
Для выражения сожаления о чем-то или пожелания чего-то в будущем
I’m sorry I have to go. I wish I could stay longer.
That’s a dreadful noise. I wish it would stop.
I wish somebody would buy me a car.