Present participle; Past participle - spaying - spayed Present - spay - spay - spays - spay - spay - spay Past - spayed - spayed - spayed - spayed - spayed - spayed Future - will spay - will spay - will spay - will spay - will spay - will spay Present conditional - would spay - would spay - would spay - would spay - would spay - would spay Present Perfect - have spayed - have spayed - has spayed - have spayed - have spayed - have spayed Past Perfect - had spayed - had spayed - had spayed - had spayed - had spayed - had spayed Future Perfect - will have spayed - will have spayed - will have spayed - will have spayed - will have spayed - will have spayed Past conditional - would have spayed - would have spayed - would have spayed - would have spayed - would have spayed - would have spayed Imperative - - - spay - - - - - - - -