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