Present participle; Past participle - conserving - conserved Present - conserve - conserve - conserves - conserve - conserve - conserve Past - conserved - conserved - conserved - conserved - conserved - conserved Future - will conserve - will conserve - will conserve - will conserve - will conserve - will conserve Present conditional - would conserve - would conserve - would conserve - would conserve - would conserve - would conserve Present Perfect - have conserved - have conserved - has conserved - have conserved - have conserved - have conserved Past Perfect - had conserved - had conserved - had conserved - had conserved - had conserved - had conserved Future Perfect - will have conserved - will have conserved - will have conserved - will have conserved - will have conserved - will have conserved Past conditional - would have conserved - would have conserved - would have conserved - would have conserved - would have conserved - would have conserved Imperative - - - conserve - - - - - - - -