posted by Emily .
What word is being modified by the prepositional phrase?
The monkeys ran from the sound of humans?
Is it sound?
The prepositional phrase "of humans" modifies "sound."
What about the other prepositional phrase?
We only had to do the one prepositional phrase. What about this one?
The plant on the windowsill thrives in the spring. Does in the spring modify thrives?
The model airplane in my brother's room was made in Germany.
Does in my brother's room describe the airplane?