Simple Examples:
* The manager is in charge of the entire department.
* Who is in charge of the project?
* My mom is in charge of making dinner tonight.
* The captain is in charge of the ship.
More Complex Examples:
* With the CEO on vacation, the vice president is temporarily in charge.
* Although I am the youngest, I was put in charge of organizing the team's outing.
* Being in charge of a large team can be a demanding job.
* The teacher left the classroom in charge of the student monitor.
Note: "In charge" is a phrase that means "having responsibility for." It's usually followed by a noun or pronoun, like a person, a task, or a place.