Present Perfect 1. Marking positive and negative sentences Have you ever done these things? Put a tick (γ) or a cross

1. I\'ve written a letter to a newspaper. I haven\'t written a letter to a newspaper. 2. I\'ve skied in the Alps. I haven\'t skied in the Alps. 3. I\'ve met a famous person. I haven\'t met a famous person. 4. I\'ve visited the Vatican. I haven\'t visited the Vatican.  5. I\'ve won a prize. I haven\'t won a prize. 6. I\'ve sung in public. I haven\'t sung in public. 7. I\'ve read Dante\'s \"Inferno\". I haven\'t read Dante\'s \"Inferno\".