Prepositions are commonly tested in English 11 plus exams.
Prepositions are linking words that tell you where something is and when something is happening. Propositions show the relationship between two other nearby words and are usually placed before a noun or pronoun.
The frog was on the lily pad. (‘on’ is a where preposition and links the frog to the lily pad)
The cat sat beside the fire. (‘beside’ is a where preposition and links the cat to the fire)
Put your pen on the table. (‘on’ is a where preposition and links the pen to the table)
I did my homework before playing football. (‘before’ is the when preposition and links homework to football)
Tom visited Mohammed after school. (‘after’ is the when preposition and links Tom’s visit and school)
to, from, in, under, beneath, beside, between, on, above, behind, before, after, by, during, off, into, over, through, until, with, inside, for, down, near, with, around, at, along, next, past, against, among, beyond, during, opposite, since, towards.