ask 13: PO (Preposition and its Object). Underline at least one prepositional phrase in each sentence and put an arrow from the preposition pointing to its object. 1. After fifteen (15) minutes, the books near the table by the door fell into a heap on the floor. 2. Before the sun rose on the horizon, she saw a ray of light through the opening in the window. 3. The students at Aling Maria's boarding house ate in the school canteen not in the restaurant. 4: What do you think about my recent purchases from the city bookstore? 5. No one except John has been in touch with the people in the registrar's office since yesterday. 6. During the month of May, Brigada Eskwela is usually launched in different schools. 7. The instructions must be followed during the school year without exception. 8. He gave the same speech to everyone present in the auditorium. 9. Across the hall, you will see the school library. 10. The teachers sat under the tarp and hoped for the rain to stop.​