Rewrite the sentences, using I wish.
I haven’t got a car. I would very much like to have one.
I went to bed late last night. I regret it now.
We don’t live in a nice big flat. I would like us to.
I didn’t buy that dress. I regret it now.
He wouldn’t stop shouting. I would like him to.
I lost my temper. I regret it now.
You didn’t tell me the truth. I am very sorry you didn’t.
You’re playing that music. I would like you to stop playing it, but I don’t expect that you will.