Present participle; Past participle - lowering - lowered Present - lower - lower - lowers - lower - lower - lower Past - lowered - lowered - lowered - lowered - lowered - lowered Future - will lower - will lower - will lower - will lower - will lower - will lower Present conditional - would lower - would lower - would lower - would lower - would lower - would lower Present Perfect - have lowered - have lowered - has lowered - have lowered - have lowered - have lowered Past Perfect - had lowered - had lowered - had lowered - had lowered - had lowered - had lowered Future Perfect - will have lowered - will have lowered - will have lowered - will have lowered - will have lowered - will have lowered Past conditional - would have lowered - would have lowered - would have lowered - would have lowered - would have lowered - would have lowered Imperative - - - lower - - - - - - - -