I 've been away from shanghai for3 days"是被动语态吗?为什么能用have(has)+been~结构?

I can't b___ I've been away from home for seven years I 've been away from shanghai for3 days是被动语态吗?为什么能用have(has)+been~结构? I 've been away from shanghai for3 days是被动语态吗?为什么能用have(has)+been~结构? I've must have been blind not to see you look away from meI've must have been blind 这句话有毛病么？ I've been away from father这是什么时态,这been是什么东西,是done吗,那他的原型是什么 求歌曲名 歌词：I've must have been blind Not to see you look away from meI've must have been blind Not to see you look away from me Whenever you say You love me still I must have been crazy Not to see you slip away from me Day after day ther stay这首歌是谁唱的?（提示前2句歌词是I've must have been blind Not to see you look away from me ） I've been expecting I've been cryin Ive been to I've been filming. i wonder how long has he been away from australia 为什么不是i wonder how long he has been away .. 英语句子发音问题?but it seems like I've been away from home forever.听写下来是这样的but it seems （I get） been away from home forever.后来我仔细对照原句和录音,觉得只有一下这种可能首先是like中的l不发音, 英语翻译Tonya mitchell - StayI've must have been blindNot to see you look away from meWhenever you sayyou love me stillI must have been crazyNot to see you slip away from meDay after day there's a space to fillAnd i can't find the words,to make 英语翻译歌曲：stay歌手：tonya mitchelli've must have been blindnot to see you look away from mewhenever you say you love me stilli must have been crazynot to see you slip away from meday after day there's a space to filland i can't find the been away to been away at 和been away from各神马意思~有神马区别?been away to been away at been away from I've been to me I've been waiting for