牛津實用英語語法:265 動名詞的被動式
一般式: being written
過去式: having been written
He was punished by being sent to bed without any supper.
他被罰不讓吃晚飯就去睡覺。
I remember being taken to Paris as a small child.
我記得我在兒時被帶到巴黎過。
The safe showed no signs of having been touched.
保險箱沒有被人動過的痕跡。