Present participle; Past participle - cooing - cooed Present - coo - coo - coos - coo - coo - coo Past - cooed - cooed - cooed - cooed - cooed - cooed Future - will coo - will coo - will coo - will coo - will coo - will coo Present conditional - would coo - would coo - would coo - would coo - would coo - would coo Present Perfect - have cooed - have cooed - has cooed - have cooed - have cooed - have cooed Past Perfect - had cooed - had cooed - had cooed - had cooed - had cooed - had cooed Future Perfect - will have cooed - will have cooed - will have cooed - will have cooed - will have cooed - will have cooed Past conditional - would have cooed - would have cooed - would have cooed - would have cooed - would have cooed - would have cooed Imperative - - - coo - - - - - - - -