Present participle; Past participle - tarring - tarred Present - tar - tar - tars - tar - tar - tar Past - tarred - tarred - tarred - tarred - tarred - tarred Future - will tar - will tar - will tar - will tar - will tar - will tar Present conditional - would tar - would tar - would tar - would tar - would tar - would tar Present Perfect - have tarred - have tarred - has tarred - have tarred - have tarred - have tarred Past Perfect - had tarred - had tarred - had tarred - had tarred - had tarred - had tarred Future Perfect - will have tarred - will have tarred - will have tarred - will have tarred - will have tarred - will have tarred Past conditional - would have tarred - would have tarred - would have tarred - would have tarred - would have tarred - would have tarred Imperative - - - tar - - - - - - - -