1) Declarative : It tells something or give information.
Example: She reads a book every night.
2) Interrogative: It ask question.
Example: Do you like chocolates?
3) Imperative: It gives command, request, or makes a request.
Example: Sit down quietly.
4) Exclamatory: It shows emotion like surprise, happiness, anger or excitement.
Example: I can't believe we won!