1 / 12 2 / 12 3 / 12 4 / 12 5 / 12 6 / 12 7 / 12 8 / 12 9 / 12 10 / 12 11 / 12 12 / 12 ❮ ❯ You use these when you refer to something which you expect the person you are talking to to know about, or when you are checking that you are both thinking of the same person or thing.