A sentence that begins with a verb is called a verbal sentence.
The Arabic term is جُمْلَةٌ فِعْلِيَّةٌ. A verbal sentence contains an action and its doer.
As the subject, the doer is nominative. It may be represented by a pronoun in the conjugated form, or it may appear as an explicit noun after the verb; examples include Zayd, two boys, a teacher, Fatimah, two girls, and women.