Present participle; Past participle - singeing - singed Present - singe - singe - singes - singe - singe - singe Past - singed - singed - singed - singed - singed - singed Future - will singe - will singe - will singe - will singe - will singe - will singe Present conditional - would singe - would singe - would singe - would singe - would singe - would singe Present Perfect - have singed - have singed - has singed - have singed - have singed - have singed Past Perfect - had singed - had singed - had singed - had singed - had singed - had singed Future Perfect - will have singed - will have singed - will have singed - will have singed - will have singed - will have singed Past conditional - would have singed - would have singed - would have singed - would have singed - would have singed - would have singed Imperative - - - singe - - - - - - - -