Present participle; Past participle - perpetuating - perpetuated Present - perpetuate - perpetuate - perpetuates - perpetuate - perpetuate - perpetuate Past - perpetuated - perpetuated - perpetuated - perpetuated - perpetuated - perpetuated Future - will perpetuate - will perpetuate - will perpetuate - will perpetuate - will perpetuate - will perpetuate Present conditional - would perpetuate - would perpetuate - would perpetuate - would perpetuate - would perpetuate - would perpetuate Present Perfect - have perpetuated - have perpetuated - has perpetuated - have perpetuated - have perpetuated - have perpetuated Past Perfect - had perpetuated - had perpetuated - had perpetuated - had perpetuated - had perpetuated - had perpetuated Future Perfect - will have perpetuated - will have perpetuated - will have perpetuated - will have perpetuated - will have perpetuated - will have perpetuated Past conditional - would have perpetuated - would have perpetuated - would have perpetuated - would have perpetuated - would have perpetuated - would have perpetuated Imperative - - - perpetuate - - - - - - - -