Present participle; Past participle - undressing - undressed Present - undress - undress - undresses - undress - undress - undress Past - undressed - undressed - undressed - undressed - undressed - undressed Future - will undress - will undress - will undress - will undress - will undress - will undress Present conditional - would undress - would undress - would undress - would undress - would undress - would undress Present Perfect - have undressed - have undressed - has undressed - have undressed - have undressed - have undressed Past Perfect - had undressed - had undressed - had undressed - had undressed - had undressed - had undressed Future Perfect - will have undressed - will have undressed - will have undressed - will have undressed - will have undressed - will have undressed Past conditional - would have undressed - would have undressed - would have undressed - would have undressed - would have undressed - would have undressed Imperative - - - undress - - - - - - - -