Present participle; Past participle - liquefying - liquefied Present - liquefy - liquefy - liquefies - liquefy - liquefy - liquefy Past - liquefied - liquefied - liquefied - liquefied - liquefied - liquefied Future - will liquefy - will liquefy - will liquefy - will liquefy - will liquefy - will liquefy Present conditional - would liquefy - would liquefy - would liquefy - would liquefy - would liquefy - would liquefy Present Perfect - have liquefied - have liquefied - has liquefied - have liquefied - have liquefied - have liquefied Past Perfect - had liquefied - had liquefied - had liquefied - had liquefied - had liquefied - had liquefied Future Perfect - will have liquefied - will have liquefied - will have liquefied - will have liquefied - will have liquefied - will have liquefied Past conditional - would have liquefied - would have liquefied - would have liquefied - would have liquefied - would have liquefied - would have liquefied Imperative - - - liquefy - - - - - - - -