A sentence with fester?

I fester in this class while the other kids are allowed outside to play.

Water left to Stagnate will soon fester and smell

My bloody cut would not stop festering.

Puncture wounds are most likely to fester. Has last week's laceration begun to fester for you?

A sentence is a complete clause with a subject and a finite verb. A sentence fragment is not a complete clause, but is part of a clause (often lacking the verb to make a full sentence). For instance,...