Present participle; Past participle - helloing - helloed Present - hello - hello - helloes - hello - hello - hello Past - helloed - helloed - helloed - helloed - helloed - helloed Future - will hello - will hello - will hello - will hello - will hello - will hello Present conditional - would hello - would hello - would hello - would hello - would hello - would hello Present Perfect - have helloed - have helloed - has helloed - have helloed - have helloed - have helloed Past Perfect - had helloed - had helloed - had helloed - had helloed - had helloed - had helloed Future Perfect - will have helloed - will have helloed - will have helloed - will have helloed - will have helloed - will have helloed Past conditional - would have helloed - would have helloed - would have helloed - would have helloed - would have helloed - would have helloed Imperative - - - hello - - - - - - - -