Present participle; Past participle - diagraming - diagramed Present - diagram - diagram - diagrams - diagram - diagram - diagram Past - diagramed - diagramed - diagramed - diagramed - diagramed - diagramed Future - will diagram - will diagram - will diagram - will diagram - will diagram - will diagram Present conditional - would diagram - would diagram - would diagram - would diagram - would diagram - would diagram Present Perfect - have diagramed - have diagramed - has diagramed - have diagramed - have diagramed - have diagramed Past Perfect - had diagramed - had diagramed - had diagramed - had diagramed - had diagramed - had diagramed Future Perfect - will have diagramed - will have diagramed - will have diagramed - will have diagramed - will have diagramed - will have diagramed Past conditional - would have diagramed - would have diagramed - would have diagramed - would have diagramed - would have diagramed - would have diagramed Imperative - - - diagram - - - - - - - -