WISH + PAST PERFECT
EXPRESSING ANNOYANCE
PAST REFERENCE
WISH (ABOUT THE PAST)
WE REGRET THINGS ARE NOT DIFFERENT NOW.
ANNOYANCE
PRESENT REFERENCE.
I wish I had his mobile phone number; we could tell him the good news.
I wish you wouldn't come through the kitchen with your dirty boots on.
WISH + SIMPLE PAST
WISH + WOULD
I wish I hadn't said that. I can see I've upset you.