Do you see that boy who is being questioned?
这句话的现在分词的被动语态是，be 加 being加过去分词，而上文却少了be动词，请问为什么?
“ is/are being + 过去分词 ” 是被动语态的现在进行时，不是现在分词的被动语态。被动语态的现在进行时在句中作谓语。现在分词的被动语态不能作谓语，只能作定语、状语、宾语补足语等。
Do you see that boy who is being questioned? （这里的 who is being questioned 是定语从句）
