1. The book on the bathroom floor is swollen from shower stream.
2. The sweet potatoes in the vegetable bin are green with mold.
3. Before class, Josh begged his friends for a pencil.
4. Freddy is stiff from yesterday's long football practice.
5. The note from Beverly confessed that she had eaten the leftover cake.

those slanted words are the prepositional phrases.
hope it will help.. :)