The document discusses the use of phrasal verbs in English. It provides 10 examples of sentences using phrasal verbs with the verbs "turn", "pick", "plug", "turn", "print", "throw", and "hang" followed by prepositions or adverbial particles such as "up", "down", "in", "on", "out", "away", and "up". The examples illustrate how the meaning of English verbs can change when they are combined with prepositions or particles.