Present participle; Past participle - missioning - missioned Present - mission - mission - missions - mission - mission - mission Past - missioned - missioned - missioned - missioned - missioned - missioned Future - will mission - will mission - will mission - will mission - will mission - will mission Present conditional - would mission - would mission - would mission - would mission - would mission - would mission Present Perfect - have missioned - have missioned - has missioned - have missioned - have missioned - have missioned Past Perfect - had missioned - had missioned - had missioned - had missioned - had missioned - had missioned Future Perfect - will have missioned - will have missioned - will have missioned - will have missioned - will have missioned - will have missioned Past conditional - would have missioned - would have missioned - would have missioned - would have missioned - would have missioned - would have missioned Imperative - - - mission - - - - - - - -