Compound prepositions are generally formed by prefixing a Preposition to a Noun, an Adjective or an Adverb.
Compound Prepositions are the words like above,about,across, along, among, against, after, around, between
beyond, before, behind, beside, besides, through, towards, since, inside, outside, within, without
She fell into the well.
Share this sweets between you and your friend.
Rahim beside Nazia.
The mug is inside the drum.
The actor stood behind the lion.
She swam across the river.
I can speak French besides English.