Prepositional phrases are often used as
adjectives and
adverbs to give more information about different words in a sentence
When using prepositions, it is important to choose ones that are appropriate for your sentence or clause. Prepositions have different meanings and are used in different ways.
It is also important to place prepositional phrases where they make sense. Some prepositional phrases can be easily moved around, but others have to be in a certain order and in a certain place.