Present participle; Past participle - sunburning - sunburned Present - sunburn - sunburn - sunburns - sunburn - sunburn - sunburn Past - sunburned - sunburned - sunburned - sunburned - sunburned - sunburned Future - will sunburn - will sunburn - will sunburn - will sunburn - will sunburn - will sunburn Present conditional - would sunburn - would sunburn - would sunburn - would sunburn - would sunburn - would sunburn Present Perfect - have sunburned - have sunburned - has sunburned - have sunburned - have sunburned - have sunburned Past Perfect - had sunburned - had sunburned - had sunburned - had sunburned - had sunburned - had sunburned Future Perfect - will have sunburned - will have sunburned - will have sunburned - will have sunburned - will have sunburned - will have sunburned Past conditional - would have sunburned - would have sunburned - would have sunburned - would have sunburned - would have sunburned - would have sunburned Imperative - - - sunburn - - - - - - - -