Which reply contains the grant error in the could-versus-can-or-may permission contrast?
The coach replied, 'You can use the indoor track until noon.'
The ranger said, 'You may camp beside the marked spring tonight.'
The porter answered, 'You can leave the instrument behind the desk.'
The curator replied, 'You could view the manuscript room this afternoon.'✓Richtige Antwort
Erklärung
The curator's reply fails as a direct grant because you could view sounds hypothetical rather than actually authorising the visit. The other replies use can or may to confer permission and keep the following verb in the bare form.