Barefoot children roamed the streets. [VERB noun]

光脚丫的孩子们在街上游荡。

They're roaming around the country shooting at anything that moves. [VERB prep./adv.]

他们在乡下到处转悠，看到活动的东西就开枪。

Farmers were encouraged to keep their livestock in pens rather than letting them roam freely. [VERB]

鼓励农民们把家畜关进栏圈，而不是让它们到处乱跑。