Present participle; Past participle - quenching - quenched Present - quench - quench - quenches - quench - quench - quench Past - quenched - quenched - quenched - quenched - quenched - quenched Future - will quench - will quench - will quench - will quench - will quench - will quench Present conditional - would quench - would quench - would quench - would quench - would quench - would quench Present Perfect - have quenched - have quenched - has quenched - have quenched - have quenched - have quenched Past Perfect - had quenched - had quenched - had quenched - had quenched - had quenched - had quenched Future Perfect - will have quenched - will have quenched - will have quenched - will have quenched - will have quenched - will have quenched Past conditional - would have quenched - would have quenched - would have quenched - would have quenched - would have quenched - would have quenched Imperative - - - quench - - - - - - - -