The eagle can fly upon its prey.

The company recorded the transaction upon the books.

I was walking in the park when I suddenly light upon a hidden trail.

Upon the matter, we have decided to proceed with the project.

He found a stain upon the carpet.

He stood upon the square, waiting for his friends.

Upon the point of leaving, she realized she forgot her keys.

He changed direction upon a sixpence.

The lion was setting upon its prey.

He sets upon his opponent with great determination.