Present participle; Past participle - forcing - forced Present - force - force - forces - force - force - force Past - forced - forced - forced - forced - forced - forced Future - will force - will force - will force - will force - will force - will force Present conditional - would force - would force - would force - would force - would force - would force Present Perfect - have forced - have forced - has forced - have forced - have forced - have forced Past Perfect - had forced - had forced - had forced - had forced - had forced - had forced Future Perfect - will have forced - will have forced - will have forced - will have forced - will have forced - will have forced Past conditional - would have forced - would have forced - would have forced - would have forced - would have forced - would have forced Imperative - - - force - - - - - - - -