被接受
是过去分词表被动
例如：我攻击了你.I attacked you.
表被动:你被我攻击了.You was attacked by me.
attcked这里呢就是过去分词表被动.
纯属个人理解.我自己平时对于语法就觉得会用但是说不清,我已经尽力了.但是貌似还是有些糊涂,你理解着看看.