A "sentence" is a group of words that gives complete sence.
There are four main types of sentences:
Declarative Sentence:
A declarative sentence makes a statement or provides information.
Example: "The sun rises in the east.
Interrogative Sentence:
An interrogative sentence asks a question.
Example: "What time does the sun rise?"
Imperative Sentence:
An imperative sentence gives a command or makes a request.
Example: "Please open the door."
Exclamatory Sentence:
An exclamatory sentence expresses strong emotion or excitement.
Example: "what a great shot!"