Present participle; Past participle - disproving - disproved Present - disprove - disprove - disproves - disprove - disprove - disprove Past - disproved - disproved - disproved - disproved - disproved - disproved Future - will disprove - will disprove - will disprove - will disprove - will disprove - will disprove Present conditional - would disprove - would disprove - would disprove - would disprove - would disprove - would disprove Present Perfect - have disproved - have disproved - has disproved - have disproved - have disproved - have disproved Past Perfect - had disproved - had disproved - had disproved - had disproved - had disproved - had disproved Future Perfect - will have disproved - will have disproved - will have disproved - will have disproved - will have disproved - will have disproved Past conditional - would have disproved - would have disproved - would have disproved - would have disproved - would have disproved - would have disproved Imperative - - - disprove - - - - - - - -