The document discusses phrasal verbs, which are verbs combined with prepositions. It provides examples like "get up", "turn up", and "go out". Some phrasal verbs use two prepositions. The document also discusses how the same preposition can change the meaning of the verb. It provides exercises to practice using different prepositions like "look" and "make" correctly. Additionally, it notes that some phrasal verbs can be separated while others cannot depending on whether they have a direct object.