Present participle; Past participle - tailing - tailed Present - tail - tail - tails - tail - tail - tail Past - tailed - tailed - tailed - tailed - tailed - tailed Future - will tail - will tail - will tail - will tail - will tail - will tail Present conditional - would tail - would tail - would tail - would tail - would tail - would tail Present Perfect - have tailed - have tailed - has tailed - have tailed - have tailed - have tailed Past Perfect - had tailed - had tailed - had tailed - had tailed - had tailed - had tailed Future Perfect - will have tailed - will have tailed - will have tailed - will have tailed - will have tailed - will have tailed Past conditional - would have tailed - would have tailed - would have tailed - would have tailed - would have tailed - would have tailed Imperative - - - tail - - - - - - - -