Present participle; Past participle - experting - experted Present - expert - expert - experts - expert - expert - expert Past - experted - experted - experted - experted - experted - experted Future - will expert - will expert - will expert - will expert - will expert - will expert Present conditional - would expert - would expert - would expert - would expert - would expert - would expert Present Perfect - have experted - have experted - has experted - have experted - have experted - have experted Past Perfect - had experted - had experted - had experted - had experted - had experted - had experted Future Perfect - will have experted - will have experted - will have experted - will have experted - will have experted - will have experted Past conditional - would have experted - would have experted - would have experted - would have experted - would have experted - would have experted Imperative - - - expert - - - - - - - -