Present participle; Past participle - overburdening - overburdened Present - overburden - overburden - overburdens - overburden - overburden - overburden Past - overburdened - overburdened - overburdened - overburdened - overburdened - overburdened Future - will overburden - will overburden - will overburden - will overburden - will overburden - will overburden Present conditional - would overburden - would overburden - would overburden - would overburden - would overburden - would overburden Present Perfect - have overburdened - have overburdened - has overburdened - have overburdened - have overburdened - have overburdened Past Perfect - had overburdened - had overburdened - had overburdened - had overburdened - had overburdened - had overburdened Future Perfect - will have overburdened - will have overburdened - will have overburdened - will have overburdened - will have overburdened - will have overburdened Past conditional - would have overburdened - would have overburdened - would have overburdened - would have overburdened - would have overburdened - would have overburdened Imperative - - - overburden - - - - - - - -