How do you use guarded in a sentence?

Answer 1

You didn't say which meaning of this word you want to use. If you mean to guard as in to keep something secure, you could say "The Secret Service will guard the president during the parade."

If you mean a guard, meaning the person who is guarding, you could say "I waved at the guard as I signed into the courthouse." You could also say "The guard dog patrolled the yard, growling at anyone who came too close."

If you mean the sports term, you could say "He plays guard on the team."

If you mean to keep control over something, you might say "Guard what you say because people are listening."

Answer 2

The dog guarded the prisoners.