There are two definitions of fence- (1) to swordfight using blunt swords, (2) or a series of wooden posts to mark a boundary.
Sentences can be constructed by using that word as an adjective or as a verb.
Coinxkuhgfdjyg
The earth was born eons ago
she is savings her book for poor
make five sentences with word you
make sentences using personal pronouns
Be careful where you step.
These transient tourists left rather quickly.
Sail me that Frisbee, would you? Do you sail? You sail!
The catering was fabulous! A unicorn is a fabulous beast.
A simple answer would be: The dog would gnaw at the fence to escape.
That depends on the structure of the sentence and what it's about and how you set it out.