If I ________ invited tonight, I would go to the dinner party.

If I _______ you, I would say another student could do it better.

–I argued with my best friend. What should I do?--If I ________ you, I would say sorry to her.

If I ________ ten years younger, I _________ piano lessons and go to a music college.

If I       you, I’d take a small present for her.