I wish (that). If only I had left the house 10 minutes earlier, I would have gotten to the store before they closed!A: "So, will you be going on any exotic vacations this summer?" B: "If only!"
if this situation had been different in this way If only she had listened to me, she wouldn't be in this mess.He could have made a very beautiful bookcase, if only he had the time.
Usage notes: used to express disappointment about a result
I wish that. For example, If only I had known you were coming I would have met your plane, or If only it would snow on Christmas Eve. [c. a.d. 1000] For a synonym, see would that.