Declarative sentences make a statement or express an opinion. They end with a period.

Examples:

• The sun rises in the east.
• I enjoy reading books.
• She is going to the store.

Interrogative sentences ask a question. They end with a question mark.

Examples:

• What time is it?
• Did you finish your homework?
• Where are you going?

Imperative sentences give a command or make a request. They usually end with a period but can end with an exclamation mark for strong commands.

Examples:

• Please close the door.
• Pass me the salt.
• Stop!

Exclamatory sentences express strong emotion or surprise. They end with an exclamation mark.

Examples:

• What a beautiful day!
• I can't believe we won!
• That's amazing!