Present participle; Past participle - dooming - doomed Present - doom - doom - dooms - doom - doom - doom Past - doomed - doomed - doomed - doomed - doomed - doomed Future - will doom - will doom - will doom - will doom - will doom - will doom Present conditional - would doom - would doom - would doom - would doom - would doom - would doom Present Perfect - have doomed - have doomed - has doomed - have doomed - have doomed - have doomed Past Perfect - had doomed - had doomed - had doomed - had doomed - had doomed - had doomed Future Perfect - will have doomed - will have doomed - will have doomed - will have doomed - will have doomed - will have doomed Past conditional - would have doomed - would have doomed - would have doomed - would have doomed - would have doomed - would have doomed Imperative - - - doom - - - - - - - -