Present participle; Past participle - brooding - brooded Present - brood - brood - broods - brood - brood - brood Past - brooded - brooded - brooded - brooded - brooded - brooded Future - will brood - will brood - will brood - will brood - will brood - will brood Present conditional - would brood - would brood - would brood - would brood - would brood - would brood Present Perfect - have brooded - have brooded - has brooded - have brooded - have brooded - have brooded Past Perfect - had brooded - had brooded - had brooded - had brooded - had brooded - had brooded Future Perfect - will have brooded - will have brooded - will have brooded - will have brooded - will have brooded - will have brooded Past conditional - would have brooded - would have brooded - would have brooded - would have brooded - would have brooded - would have brooded Imperative - - - brood - - - - - - - -