I have been dowm that road.句子中的down是什么词性啊

I have been dowm that road.句子中的down是什么词性啊 I don't have any money for a taxi.这个句子中的have是什么词性? i have never been abroad before 这个before是什么词性 turn down中的down是什么词性? i think he must have been a mechanic,中的must和have been是什么词啊? a side road中的side是什么词性, Road have been all . I have been down for two hours.句型转换 I have been down ---- -- 这个句子中的months down the road怎么理解? I have no alternative.句中的no是什么词性啊?可以换成not吗? I take him home.句子中的home是什么词性? I have been asked to have the tree cut down.