* Simple: The lion roamed the savanna in search of prey.
* Descriptive: The children roamed the park, their laughter echoing in the afternoon sun.
* Figurative: Memories of childhood roamed through her mind as she looked at the old photos.
* Past Tense: The dinosaurs roamed the Earth millions of years ago.
* With a preposition: The dog roamed around the yard, sniffing at everything.
Let me know if you'd like to see more examples!