Prepositions

Before the big game, I was extremely nervous.

The explorers traveled across the snow.

He stayed inside the car with his friend.

The cat sat under the umbrella as it was raining.

Before the storm, my father went to the store to buy milk. (Prep. phrases are...?)

I walked by the theater last night.

The Captain of the ship granted me permission.

Under the chair, my dog awaited scraps.

The girl walked slowly across the platform.

John saw a man ahead of him.

Without his friend, Joe was sad.

The postman posted the letter through the letterbox.