Present participle; Past participle - hilling - hilled Present - hill - hill - hills - hill - hill - hill Past - hilled - hilled - hilled - hilled - hilled - hilled Future - will hill - will hill - will hill - will hill - will hill - will hill Present conditional - would hill - would hill - would hill - would hill - would hill - would hill Present Perfect - have hilled - have hilled - has hilled - have hilled - have hilled - have hilled Past Perfect - had hilled - had hilled - had hilled - had hilled - had hilled - had hilled Future Perfect - will have hilled - will have hilled - will have hilled - will have hilled - will have hilled - will have hilled Past conditional - would have hilled - would have hilled - would have hilled - would have hilled - would have hilled - would have hilled Imperative - - - hill - - - - - - - -