Present participle; Past participle - coring - cored Present - core - core - cores - core - core - core Past - cored - cored - cored - cored - cored - cored Future - will core - will core - will core - will core - will core - will core Present conditional - would core - would core - would core - would core - would core - would core Present Perfect - have cored - have cored - has cored - have cored - have cored - have cored Past Perfect - had cored - had cored - had cored - had cored - had cored - had cored Future Perfect - will have cored - will have cored - will have cored - will have cored - will have cored - will have cored Past conditional - would have cored - would have cored - would have cored - would have cored - would have cored - would have cored Imperative - - - core - - - - - - - -