My son could prove them wrong on all counts.

If his son proves to be very bad tomorrow I won't say that he was perfect.

Should the son prove worthy, it is often so, between fathers and sons.

Quite often, father and son prove that they really love each other, no matter what.

The son proved to be a lucky bettor, and a good analyst of chance.

My son proved that he is a strong sportsman.

The son must prove that he has learned from his father's mistakes.

Shall the son of England prove a thief and take purses?

"Your son has indeed proved to be quite a problem," Bogo replied.

Neither son proved able to manage his affairs, however.