A preposition indicates the position of a thing or action. Prepositions are usually used in front of nouns or pronouns and they show the relationship between the noun or pronoun and other words in a sentence.
Examples
The book is on the table.
The book is beside the table.
The book is under the table.
Common prepositions:
Of, in, to, for, with, on, at, from, by, about, as, into, like, through, after, over, between, out, against, during, without, before, under, around, among.
Example of incorrect use of preposition.
Example: Arthur Philip eventually sent his Marines, who did not comply with his orders, back to England and replaced them by the New South Wales corps.
Problem: The preposition ‘by’ is incorrect, causing confusion in meaning.
Correct: Arthur Philip eventually sent his Marines, who did not comply with his orders, back to England and replaced them with the New South Wales corps.
