بسم الله
first
we have present wish
Wishes
Present wish: (wish, past simple)
Example: I wish I spoke Italian. (I don't speak Italian.)
Present wish expresses an imaginary situation impossible to happen.
If only = wish
Past wish: (wish, past perfect)
Example: I wish I hadn’t eaten so much. (I ate a lot.)
Past wish expresses a regret about a situation happened in the past.
Future wish: (wish, would + stem (a verb without “to”))
Example: I wish I would stop smoking.
Can = could
(You are smoking at the moment and it is annoying me.)
Future wish expresses impatience, annoyance or dissatisfaction with a present action.
Wish = ′ ′ ′ + verb in past simple