Present participle; Past participle - queuing - queued Present - queue - queue - queues - queue - queue - queue Past - queued - queued - queued - queued - queued - queued Future - will queue - will queue - will queue - will queue - will queue - will queue Present conditional - would queue - would queue - would queue - would queue - would queue - would queue Present Perfect - have queued - have queued - has queued - have queued - have queued - have queued Past Perfect - had queued - had queued - had queued - had queued - had queued - had queued Future Perfect - will have queued - will have queued - will have queued - will have queued - will have queued - will have queued Past conditional - would have queued - would have queued - would have queued - would have queued - would have queued - would have queued Imperative - - - queue - - - - - - - -