Present participle; Past participle - endeavoring - endeavored Present - endeavor - endeavor - endeavors - endeavor - endeavor - endeavor Past - endeavored - endeavored - endeavored - endeavored - endeavored - endeavored Future - will endeavor - will endeavor - will endeavor - will endeavor - will endeavor - will endeavor Present conditional - would endeavor - would endeavor - would endeavor - would endeavor - would endeavor - would endeavor Present Perfect - have endeavored - have endeavored - has endeavored - have endeavored - have endeavored - have endeavored Past Perfect - had endeavored - had endeavored - had endeavored - had endeavored - had endeavored - had endeavored Future Perfect - will have endeavored - will have endeavored - will have endeavored - will have endeavored - will have endeavored - will have endeavored Past conditional - would have endeavored - would have endeavored - would have endeavored - would have endeavored - would have endeavored - would have endeavored Imperative - - - endeavor - - - - - - - -