Sometimes a preposition is made up of two words. Here are examples of two-word prepositions that include the word of: out of, ahead of, inside of.
John was ahead of me in the line.
There are some mended spots inside of my jeans.
My comb fell out of my purse.
The preposition of is sometimes joined with another preposition to form a two-word preposition.
It’s your turn. Find the prepositional phrase in this sentence: With every ounce of determination inside of me, I promised myself that I would meet my goal. Did you figure it out? Good for you!