This document discusses phrasal verbs, which are verbs combined with prepositions or particles that create new meanings. It provides examples of common phrasal verbs like "get up," "go up," "go down," "liven up," "put down," "join in," "rally together," "come along," "finish up," "date back," "look back," "look ahead," "leave behind," "pair up," "put across," and "lag behind." Definitions or explanations are given for the meaning conveyed by each phrasal verb example.