—"I stayed at a hotel while in New York." —"Oh, did you? You _____ with Barbara." 

 Even if you had not been able to see her, you ______ us.

Should the present unemployment continue, the society________a more troublesome situation.

—It’s hard to believe that Jack should have fought with the policeman.—Yes. If one ____ ask for trouble, it can’t be helped.

—Any information about your son?—No. If only I ______ those tough words to him.