Present participle; Past participle - clapboarding - clapboarded Present - clapboard - clapboard - clapboards - clapboard - clapboard - clapboard Past - clapboarded - clapboarded - clapboarded - clapboarded - clapboarded - clapboarded Future - will clapboard - will clapboard - will clapboard - will clapboard - will clapboard - will clapboard Present conditional - would clapboard - would clapboard - would clapboard - would clapboard - would clapboard - would clapboard Present Perfect - have clapboarded - have clapboarded - has clapboarded - have clapboarded - have clapboarded - have clapboarded Past Perfect - had clapboarded - had clapboarded - had clapboarded - had clapboarded - had clapboarded - had clapboarded Future Perfect - will have clapboarded - will have clapboarded - will have clapboarded - will have clapboarded - will have clapboarded - will have clapboarded Past conditional - would have clapboarded - would have clapboarded - would have clapboarded - would have clapboarded - would have clapboarded - would have clapboarded Imperative - - - clapboard - - - - - - - -