This document discusses different types of prepositions and how they are used. It provides examples of common prepositions of time such as at, in, on, during, and after. It also discusses prepositions of location such as at, in, on, under, and prepositions of direction such as to, from, into. The document explains when to use certain prepositions like to, at, and in with verbs. It also discusses phrasal verbs which combine verbs with particles, and two-word and three-word verb combinations using prepositions.