1. She often let her thoughts run back over her childhood.
2. They will run back over the safety regulations again.
3. I'll run back over the procedure once again.
4. On seeing the picture, I let my thoughts run back over my childhood.
5. I let my thoughts run back over my childhood.
6. Let run back over that unpleasant incident.
7. I'll run back over the procedure again.
8. I will run back over the procedure again.