If I knew then既然有then为什么是knew?这句话不是对“当时的虚拟”吗?应该是If I had known then吧?

If I knew then既然有then为什么是knew?这句话不是对“当时的虚拟”吗?应该是If I had known then吧? If I Knew Then 歌词 If I knew then what I know 求If I knew then 的伴奏 If I Knew Then (What I Know Now) 歌词 If I knew then what I know now!求翻译 If only i knew then what i know now If I Knew Then Lady Antebellum唱的,中文翻译,谢谢. 翻译 后街的if i knew then 的歌词 If I Knew Then What I Know Now (Duet With Gladys Knight) (Album Version) 歌词 If only i knew then what i konw now.这句怎么解析 I knew then that even if he never broke the world record,he was an animal who could make people happy.翻译 if you knew what i knew歌词 If You Knew What I Knew 歌词 If You Knew What I Knew 歌词 If I Only Knew 歌词 大家帮忙看看这个句子.看的有点晕了If I knew then what we know now,with the benefit of hindsight,we can look at all these things.But if we knew then what we now,we would have taken more action around that and move faster to get to the b 急求后街男孩《if I knew then》的伴奏带~~~最好是MP3的,请大家帮帮忙啊