In this verbal-sentence pattern, the past verb comes first and the explicit noun subject follows it.
Example: ذَهَبَ زَيْدٌ
● ذَهَبَ is the past verb: ‘went.’
● زَيْدٌ is the explicit noun subject: the person who went.
● As the subject, زَيْدٌ is nominative.
Read the order as: verb → visible doer.