had been at
英
美
- at prep.在;向，朝;处于…状态;在…远;（用于速度、比率等）以，达
- been be的过去分词，有；在；是；到达；拜访
- had v.有；吃；得到（动词have的过去式和过去分词）aux.已经（用于过去完成时和过去完成进行时）
- Look at the time! We should have been at the theatre ten minutes ago.
瞧都什麽时候了! 十分钟前我们就该到戏院了。
- The police recaptured one of the escaped prisoners after he had been at large for only two hours.
有一个越狱者只逍遥法外两个小时就被警察又一次抓获。
