Final answer:
Prepositions show location, direction, and time in a sentence.
Step-by-step explanation:
Prepositions function in a sentence to show location, direction, and time. They indicate where something is in relation to something else, the way something is moving or pointing, and when something is happening. For example, in the sentence 'The cat is on the table', the preposition 'on' shows the location of the cat.
Learn more about Prepositions function in a sentence