of (Preposition) — Connects a noun with the preceding word. ex. "most of the books"
of (Preposition) — Expresses possession or connection. ex. "the house of my friend" ex. "a friend of mine"
of (Preposition) — Indicates parts, content, or quality. ex. "man of honour" ex. "a cup of tea"
of (Preposition) — Indicates a point of reference. ex. "Brighton is south of London"
of (Preposition) — A reason or cause. ex. "she nearly died of it"