being加过去分词是什么时态

　　I hate being photographed.

　　我讨厌被拍照。

　　They knew they risked being arrested.

　　他们知道自己冒着被捕的危险。

　　This matter is currently being discussed.

　　这个问题现正在讨论之中。

　　The proposal is currently being canvassed.

　　目前人们正在详细讨论这个提案。