This document discusses prepositions and preposition phrases. It provides examples of different types of preposition complements including object NPs, NPs, predicative phrases, PPs, and clauses. It then asks the reader to identify the category of the complement in example sentences. Next, it discusses prepositional verbs and whether certain verb+preposition combinations are fossilized. It also discusses the differences between prepositions and adjectives. Finally, it asks the reader questions about preposition stranding, fronted prepositions, and restrictions on certain prepositions occurring with or without NP complements.