Agency prepositional phrase
An agency prepositional phrase is a prepositional phrase with a preposition of agency as its head and which acts as a prepositional phrase adverbial. These express who or what does something (i.e. help identify who or what is the agent), usually with "by" or "with", in long passive clauses. For example, in English we can say:
- The Mona Lisa was painted by Leonardo da Vinci.