(5) 過去分詞: been: I have been ill for a week. / He had been studying in London. / Dinner (having been) finished, they left the room. 晩餐が済むと, 彼らは部屋を去った.

(6) 現在分詞: being: The matter was being discussed. そのことが論じられていた / Dinner (being) over, they left the room. 晩さんが済むと彼らは部屋を去った.