An exclamatory sentence expresses strong emotion or excitement. It often ends with an exclamation mark (!). For example, "What a beautiful day!" conveys enthusiasm about the weather. Exclamatory sentences can express joy, surprise, anger, or other intense feelings. These sentences are different from declarative, interrogative, and imperative sentences. While declarative sentences make statements, interrogative sentences ask questions, and imperative sentences give commands, exclamatory sentences focus on expressing emotions. Understanding exclamatory sentences can enhance communication by adding emphasis and feeling to statements about people, places, or events, such as birthdays or sports games.