Present participle; Past participle - drubbing - drubbed Present - drub - drub - drubs - drub - drub - drub Past - drubbed - drubbed - drubbed - drubbed - drubbed - drubbed Future - will drub - will drub - will drub - will drub - will drub - will drub Present conditional - would drub - would drub - would drub - would drub - would drub - would drub Present Perfect - have drubbed - have drubbed - has drubbed - have drubbed - have drubbed - have drubbed Past Perfect - had drubbed - had drubbed - had drubbed - had drubbed - had drubbed - had drubbed Future Perfect - will have drubbed - will have drubbed - will have drubbed - will have drubbed - will have drubbed - will have drubbed Past conditional - would have drubbed - would have drubbed - would have drubbed - would have drubbed - would have drubbed - would have drubbed Imperative - - - drub - - - - - - - -