Ответ:

  1. The next train leaves in half an hour. — urgent tone.
  2. That’s made me feel a lot better. — sarcastic tone.
  3. This is going to be rather painful. — aggressive tone.
  4. We were too poor to even go on holiday. — nostalgic tone.

Перевод тонов: срочный; саркастический; агрессивный; ностальгический.