Present participle; Past participle - regaining - regained Present - regain - regain - regains - regain - regain - regain Past - regained - regained - regained - regained - regained - regained Future - will regain - will regain - will regain - will regain - will regain - will regain Present conditional - would regain - would regain - would regain - would regain - would regain - would regain Present Perfect - have regained - have regained - has regained - have regained - have regained - have regained Past Perfect - had regained - had regained - had regained - had regained - had regained - had regained Future Perfect - will have regained - will have regained - will have regained - will have regained - will have regained - will have regained Past conditional - would have regained - would have regained - would have regained - would have regained - would have regained - would have regained Imperative - - - regain - - - - - - - -