41.   I made a few mistakes, but I owned up to them.

42.   I made the mistake of answering back, and she came down on me like a ton of bricks.

43.   I must have made a mistake when I added up the figures.

44.   I stupidly made the mistake of giving them my phone number.

45.   I think someone has made a mistake.

46.   I told Fred point-blank that he had made a mistake.

47.   I tried to make no mistakes, but they called me naughty every moment of the day.

48.   I make mistakes just like anyone else.

49.   If the appointment is not wholly satisfactory, look at your notes and try and see where you made your mistakes.

50.   If you make a mistake in the exam, just cross it out.