reported commands and requests

Приказы и просьбы (reported commands and requests) в косвенной речи передаются через to + инфинитив без изменения времени, так как инфинитив времени не имеет.

• Приказ: tell smb to do smth.
  "Close the door." → He told me to close the door.
• Просьба: ask smb to do smth.
  "Help me." → He asked me to help him.
• Отрицание: not to do smth.
  "Don't be late." → She asked me not to be late.