The document discusses different types of noun phrases. A noun phrase contains a noun as the main part and can have additional information before or after the noun. Information before the noun includes determiners and adjectives. Information after the noun includes prepositional phrases indicating location, past participle clauses expressing passive verbs, present participle (-ing) clauses for active verbs, and to-infinitive clauses showing purpose or intention. Common prepositions in prepositional phrases are of, in, for, on, to, and with. Of is most commonly used to indicate quantity, containers, belonging, or possession. At, in and on are often used to indicate physical location.