a nie przypadkiem odwrotnie ;)?
You have to(?) share a bedroom. - > I wish you shared a bedroom
You forgot to do you science homework. - > I wish you hadn't forgotten your science homework.
You can never remember people's names. - > I wish you remembered people's names.
You didn't go on holiday last year. - > I wish you had gone on holiday last year.
You spent 100zl on a pair of jeans. - > I wish you hadn't spent 100zl on a pair of jeans.
You didn't get good marks in your last test. - > I wish you had got good marks in your last test.