Prepositions are used before nouns or pronouns to show relationships with other words, indicating time, place, or conditions. Some common examples of prepositions are: at, by, for, from, in, into, on, to, with, between, since, etc.
Let's explore their general rules.
General rules about the use of the most common prepositions
Prepositions of time: at, on, in, between, for, since
Prepositions of place: at, on, in
Prepositions of movement: to, toward, towards
Prepositions with Nouns, Adjectives and Verbs
There are occasions in English when no preposition is used. Some examples of these words are: inside, outside, downstairs and upstairs.
Recommended Reference:
Swan, M. (20050. Practical English usage (3rd ed.). Oxford University Press.