Present participle; Past participle - flameproofing - flameproofed Present - flameproof - flameproof - flameproofs - flameproof - flameproof - flameproof Past - flameproofed - flameproofed - flameproofed - flameproofed - flameproofed - flameproofed Future - will flameproof - will flameproof - will flameproof - will flameproof - will flameproof - will flameproof Present conditional - would flameproof - would flameproof - would flameproof - would flameproof - would flameproof - would flameproof Present Perfect - have flameproofed - have flameproofed - has flameproofed - have flameproofed - have flameproofed - have flameproofed Past Perfect - had flameproofed - had flameproofed - had flameproofed - had flameproofed - had flameproofed - had flameproofed Future Perfect - will have flameproofed - will have flameproofed - will have flameproofed - will have flameproofed - will have flameproofed - will have flameproofed Past conditional - would have flameproofed - would have flameproofed - would have flameproofed - would have flameproofed - would have flameproofed - would have flameproofed Imperative - - - flameproof - - - - - - - -