Present participle; Past participle - clowning - clowned Present - clown - clown - clowns - clown - clown - clown Past - clowned - clowned - clowned - clowned - clowned - clowned Future - will clown - will clown - will clown - will clown - will clown - will clown Present conditional - would clown - would clown - would clown - would clown - would clown - would clown Present Perfect - have clowned - have clowned - has clowned - have clowned - have clowned - have clowned Past Perfect - had clowned - had clowned - had clowned - had clowned - had clowned - had clowned Future Perfect - will have clowned - will have clowned - will have clowned - will have clowned - will have clowned - will have clowned Past conditional - would have clowned - would have clowned - would have clowned - would have clowned - would have clowned - would have clowned Imperative - - - clown - - - - - - - -