Examples:

• Seems like someone wants to keep tabs on the chief.
• You say you always keep tabs on your enemies.
• I just want to keep tabs on where he's been.
• I want you to keep tabs on the professor.
• I can't keep tabs on every project.
• Now that Darcy's out of play, I need somebody else to keep tabs on the major.
• I want you to keep tabs on him.
• And don't forget to keep tabs on Neelix's little project in the Mess Hall.
• Yeah, but this way you can keep tabs on each other.
• I need somebody else to keep tabs on the major.