In the following question, the word at the top is used in four different ways. Choose the option in which the usage of the word is incorrect or inappropriate.
Grated
1
The boy's manner of speech grated on his father.
2
Sprinkle the top of the dish with some finely grated cheese.
3
These outlets should be faced with mason work, and guarded with iron grated.
4
The grit beneath her soles grated harshly on the wooden deck.
5
The sound of the new chalk on the blackboard grated on my already frazzled nerves.