Definition: The verb "warn" means to tell someone about a possible danger, problem, or something they should be careful about. It is often used to give advance notice so that the person can take action to avoid harm or trouble.
Subject + warn + object + (that/against) + clause: This is the common structure. For example:
Warning someone to do something: You can also warn someone to take specific actions. For example:
Notify of danger:
Admonish about behavior:
Notify about a potential risk:
Warning (noun): A statement or indication of a possible danger. For example:
Warned (past tense): The past form of the verb. For example: