Prepositions are essential to sentences because they provide additional and necessary details. It shows the relationship between a noun or a pronoun and other words in a sentence. The word “preposition” means placed before a noun (or a pronoun).
Prepositions express various relations, which can be in terms of place, time, agency or instrumentality, manner, cause, reason, purpose, possession, measure, standard, rate, value, material, level, change and considering. These relations can be expressed with words such as among, between, into, during, after, at, by, through, for, with, from.
There are five kinds of prepositions:
Simple Prepositions. Example: On, in at
Compound Prepositions. These are usually formed by prefixing a preposition. Example: Across, outside, between
Phrase Preposition. These are groups of words used with the force of a single preposition. Example: In case of, by the way, according to
Participle Preposition. These are few present participles of verb that are used as prepositions. Example: ‘Touching (with regards to) this matter, we have decided to leave it for future.’
Double Preposition. These are used whenever a simple preposition fails to express the correct sense. Example: Into, from within
There are certain nouns, verbs, adjectives and participles that are followed by particular prepositions, such as, complaint against, need of, aim at, listen to, good at, angry with.