Present participle; Past participle - toothing - toothed Present - tooth - tooth - tooths - tooth - tooth - tooth Past - toothed - toothed - toothed - toothed - toothed - toothed Future - will tooth - will tooth - will tooth - will tooth - will tooth - will tooth Present conditional - would tooth - would tooth - would tooth - would tooth - would tooth - would tooth Present Perfect - have toothed - have toothed - has toothed - have toothed - have toothed - have toothed Past Perfect - had toothed - had toothed - had toothed - had toothed - had toothed - had toothed Future Perfect - will have toothed - will have toothed - will have toothed - will have toothed - will have toothed - will have toothed Past conditional - would have toothed - would have toothed - would have toothed - would have toothed - would have toothed - would have toothed Imperative - - - tooth - - - - - - - -