being加過去分詞是什么時態(tài)

　　I hate being photographed.

　　我討厭被拍照。

　　They knew they risked being arrested.

　　他們知道自己冒著被捕的危險。

　　This matter is currently being discussed.

　　這個問題現(xiàn)正在討論之中。

　　The proposal is currently being canvassed.

　　目前人們正在詳細討論這個提案。