PREPOSITIONS

A preposition is a word that links a noun, pronoun or gerund to other words. They can have a variety of meanings:

Direction- He's going TO the shops

Location- It's IN the box

Time- He left AFTER the lesson had finished

Possession- The Government OF Italy

Some prepositional phrases can function like single word prepositions; next to, in front of, etc., called complex prepositions.