Present participle; Past participle - burning - burned Present - burn - burn - burns - burn - burn - burn Past - burned - burned - burned - burned - burned - burned Future - will burn - will burn - will burn - will burn - will burn - will burn Present conditional - would burn - would burn - would burn - would burn - would burn - would burn Present Perfect - have burned - have burned - has burned - have burned - have burned - have burned Past Perfect - had burned - had burned - had burned - had burned - had burned - had burned Future Perfect - will have burned - will have burned - will have burned - will have burned - will have burned - will have burned Past conditional - would have burned - would have burned - would have burned - would have burned - would have burned - would have burned Imperative - - - burn - - - - - - - -