Present participle; Past participle - pre-empting - pre-empted Present - pre-empt - pre-empt - pre-empts - pre-empt - pre-empt - pre-empt Past - pre-empted - pre-empted - pre-empted - pre-empted - pre-empted - pre-empted Future - will pre-empt - will pre-empt - will pre-empt - will pre-empt - will pre-empt - will pre-empt Present conditional - would pre-empt - would pre-empt - would pre-empt - would pre-empt - would pre-empt - would pre-empt Present Perfect - have pre-empted - have pre-empted - has pre-empted - have pre-empted - have pre-empted - have pre-empted Past Perfect - had pre-empted - had pre-empted - had pre-empted - had pre-empted - had pre-empted - had pre-empted Future Perfect - will have pre-empted - will have pre-empted - will have pre-empted - will have pre-empted - will have pre-empted - will have pre-empted Past conditional - would have pre-empted - would have pre-empted - would have pre-empted - would have pre-empted - would have pre-empted - would have pre-empted Imperative - - - pre-empt - - - - - - - -