What Is Exclamatory Mood?
Exclamatory mood (also called exclamative mood) expresses exclamations. In other words, it talks about strong feelings or opinions.
An exclamation is a stronger version of a declarative sentence. It means it conveys excitement or emotion.
Exclamations are formed with the help of two words:
What + nice (adj.) + people (n) + they (sub.) + are (v.)