Present participle; Past participle - masting - masted Present - mast - mast - masts - mast - mast - mast Past - masted - masted - masted - masted - masted - masted Future - will mast - will mast - will mast - will mast - will mast - will mast Present conditional - would mast - would mast - would mast - would mast - would mast - would mast Present Perfect - have masted - have masted - has masted - have masted - have masted - have masted Past Perfect - had masted - had masted - had masted - had masted - had masted - had masted Future Perfect - will have masted - will have masted - will have masted - will have masted - will have masted - will have masted Past conditional - would have masted - would have masted - would have masted - would have masted - would have masted - would have masted Imperative - - - mast - - - - - - - -