Present participle; Past participle - vacuum-cleaning - vacuum-cleaned Present - vacuum-clean - vacuum-clean - vacuum-cleans - vacuum-clean - vacuum-clean - vacuum-clean Past - vacuum-cleaned - vacuum-cleaned - vacuum-cleaned - vacuum-cleaned - vacuum-cleaned - vacuum-cleaned Future - will vacuum-clean - will vacuum-clean - will vacuum-clean - will vacuum-clean - will vacuum-clean - will vacuum-clean Present conditional - would vacuum-clean - would vacuum-clean - would vacuum-clean - would vacuum-clean - would vacuum-clean - would vacuum-clean Present Perfect - have vacuum-cleaned - have vacuum-cleaned - has vacuum-cleaned - have vacuum-cleaned - have vacuum-cleaned - have vacuum-cleaned Past Perfect - had vacuum-cleaned - had vacuum-cleaned - had vacuum-cleaned - had vacuum-cleaned - had vacuum-cleaned - had vacuum-cleaned Future Perfect - will have vacuum-cleaned - will have vacuum-cleaned - will have vacuum-cleaned - will have vacuum-cleaned - will have vacuum-cleaned - will have vacuum-cleaned Past conditional - would have vacuum-cleaned - would have vacuum-cleaned - would have vacuum-cleaned - would have vacuum-cleaned - would have vacuum-cleaned - would have vacuum-cleaned Imperative - - - vacuum-clean - - - - - - - -