Based on the information,You have been placed on XXX.have been在这个句子里是过去时,正在进行时还是未来式?

问题描述:

Based on the information,You have been placed on XXX.have been在这个句子里是过去时,正在进行时还是未来式?
比如:你被放在XXX过(现在);你已经被放在XXX(现在);你将要被放在XXX(未来).

have been 不是孤立的,要看 have been placed.这是 place 的现在完成时的被动语态.