A preposition is a word that connects nouns, pronouns, or noun phrases to other words in a sentence, showing the relationship between them. This relationship often involves location, time, direction, or other abstract connections. For example, in the phrase "under the table," "under" is the preposition indicating the spatial relationship between the table and something else

. Prepositions typically come before their objects (nouns or pronouns) and form prepositional phrases that modify other parts of the sentence, such as verbs, adjectives, or nouns. For instance, in "Candice went to the bank," the phrase "to the bank" tells us where Candice went, with "to" as the preposition

. There are several types of prepositions, including:

• Prepositions of place (e.g., on, above, under, beside) indicating physical location.
• Prepositions of time (e.g., before, after, since, during) indicating when something happens.
• Prepositions of direction (e.g., toward, through, past) indicating movement or direction.
• Prepositions of agent or instrument (e.g., by, with, without) describing relationships between verbs and nouns

Common prepositions include words like in, on, at, by, for, with, and to. They are essential for constructing clear and meaningful sentences by specifying how different elements relate to each other in terms of time, place, direction, cause, and manner

. In summary, a preposition is a linking word that shows the relationship between a noun or pronoun and other words in a sentence, primarily indicating position, time, direction, or other relationships