I want a dog, but I am allergic to animals.
I wish I wasn't/weren't allergic to animals.
I lost the match last weekend.
I wish I hadn't lost the match last weekend.
It bothers me when he burps after eating.
I wish he wouldn't burp after eating.
He didn't study hard at school.
He wishes he had studied hard at school.
I didn't do my homework.
I wish I had done my homework.
I can't speak Spanish.
I wish I could speak Spanish.
I forgot my camera and I didn't take any pictures.
I wish I hadn't forgotten my camera. / I wish I had taken some pictures.
It's annoying when he bites his nails.
I wish he wouldn't bite his nails.
I'm not rich.
I wish I was/were rich.
It bothers me when you don't mind your own business.
I wish you would mind your own business.
I find it annoying when he doesn't do the dishes.
I wish he would do the dishes.
I don't have a car.
I wish I had a car.
She signed the contract without reading the small print.
She wishes she hadn't signed the contract / She wishes she had read the small print.
He ignored his girlfriend so she broke up with him.
He wishes he hadn't ignored his girlfriend. / He wishes she hadn't broken up with him
He is sick.
He wishes he wasn't/weren't sick.
It annoys me that you drink so much.
I wish you wouldn't drink so much.
It's frustrating when you don't pay attention.
I wish you would pay attention.
It irritates me when you smoke.
I wish you wouldn't smoke.
He can't play the piano.
He wishes he could play the piano.
She got up late and missed the train.
She wishes she hadn't gotten up late. / She wishes she hadn't missed the train.
I'm at work.
I wish I wasn't/weren't at work.
He didn't wear a helmet and he got hurt.
He wishes he had worn a helmet. / He wishes he hadn't gotten hurt.
I didn't go to the meeting so I lost my job.
I wish I had gone to the meeting. / I wish I hadn't lost my job.
It makes me angry when my flatmates make so much noise.
I wish my flatmates wouldn't make so much noise.