1. Declarative Sentences: These sentences make a statement and end with a period (.). For example: "The sky is blue." or "I like to eat pizza."
2. Interrogative Sentences: These sentences ask a question and end with a question mark (?). For example: "What is your favorite color?" or "Are you going to the park?"
3. Imperative Sentences: These sentences give a command or make a request and usually end with a period (.) or an exclamation point (!). For example: "Close the door." or "Please be quiet."