Ответ:

  1. Students must take the Hogwarts Express on 1 September.
  2. They mustn’t forget their magic wands at home!
  3. Students shouldn’t eat too many sweets on the train, but they can eat some.
  4. Students mustn’t run in the corridors during breaks. It is strictly forbidden.
  5. First-year students don’t have to know how to Apparate. They learn it later.
  6. In Potions lessons, students must listen to Professor Snape very carefully.

Перевод: должны; нельзя; не следует; не обязаны; должны.