Present participle; Past participle - compelling - compelled Present - compel - compel - compels - compel - compel - compel Past - compelled - compelled - compelled - compelled - compelled - compelled Future - will compel - will compel - will compel - will compel - will compel - will compel Present conditional - would compel - would compel - would compel - would compel - would compel - would compel Present Perfect - have compelled - have compelled - has compelled - have compelled - have compelled - have compelled Past Perfect - had compelled - had compelled - had compelled - had compelled - had compelled - had compelled Future Perfect - will have compelled - will have compelled - will have compelled - will have compelled - will have compelled - will have compelled Past conditional - would have compelled - would have compelled - would have compelled - would have compelled - would have compelled - would have compelled Imperative - - - compel - - - - - - - -