Ответ:

Прилагательные на -ed описывают чувства человека, а прилагательные на -ing — свойство предмета или ситуации.

  1. I am tired. — The activity is tiring.
  2. I am scared. — The sound is scary.
  3. I am interested. — The book is interesting.
  4. I am disappointed. — The results are disappointing.
  5. I am shocked. — The news is shocking.
  6. I am frightened. — His words are frightening.
  7. I am surprised. — The facts are surprising.

Ответ: tiring, scary, interesting, disappointing, shocking, frightening, surprising.