请问Could have been.Could have been.是不是XXX本应该是XXX,（但没XXX）?是这么翻译么?

could have been could have been could have been done ,could have 请问Could have been.Could have been.是不是XXX本应该是XXX,（但没XXX）?是这么翻译么? What Could Have Been 歌词 Could Have Been You 歌词 could have been啥意思 must not have been;could not have I could have been all over you. What it could have been like是什么意思 What Could Have Been Love 歌词 英语句子结构分析的问题,I reckon William could have been telling the truth.could have been telling 请问这是什么时态?是虚拟语气吗?如果是虚拟语气,为什么不用could have told the truth? nothing could have been more annoying请问 这个句子中的HAVE BEEN 是现在完成时么?为什么这个句子要用这种时态呢? Nothing could have been more annoying.翻译并解释为什么用could have been You could have been gerat,I could have been love you Nothing could have been more annoying.这句话里加have We were the second last Americans to meet with Chairman Mao ,but he could not have been more gracious.请问如何分析the second last Americans 如何理解he could not have been more gracious? 请问一个关于could have been 的句子是不是虚拟语气?But it could have been neither the execution of the work,nor the immortal beauty of the countenance,which had so suddenly and so vehemently moved me.书上说could have been 通常用