A preposition is an important part of the English language. It is used to show a relationship between the noun and pronoun in a sentence. A preposition must always be followed by a noun or pronoun in a sentence. It can never be followed by a verb. There are many examples of prepositions that will make it easy to understand how the parts of a sentence fit together and how the rules apply when it comes to using a preposition in a sentence.
here are some examples
He sat on the chair.
There is some milk in the fridge.
She was hiding under the table.
The cat jumped off the counter.
He drove over the bridge.
She lost her ring at the beach.
The book belongs to Anthony.
They were sitting by the tree.
We are running in the gym today.
The sun is above the clouds.