Put in the correct forms. Postmen have stopped (deliver) delivering letters to the new houses in our area. They object to the letterboxes on the front doors. They hate (push) pushing letters through them, because the letterboxes snap shut. If you try (push) to push a letter through, you can’t get your fingers out You try (push) a letter into one of these boxes and see what happens You quickly regret (have) tried They have been designed to stop burglars (open) opening your front door from the outside, but postmen dread (use) using them as well. The painful condition known as Letterbox Finger is just as bad as Housemaid’s Knee or Tennis Elbow