Present participle; Past participle - ringing - rung Present - ring - ring - rings - ring - ring - ring Past - rang - rang - rang - rang - rang - rang Future - will ring - will ring - will ring - will ring - will ring - will ring Present conditional - would ring - would ring - would ring - would ring - would ring - would ring Present Perfect - have rung - have rung - has rung - have rung - have rung - have rung Past Perfect - had rung - had rung - had rung - had rung - had rung - had rung Future Perfect - will have rung - will have rung - will have rung - will have rung - will have rung - will have rung Past conditional - would have rung - would have rung - would have rung - would have rung - would have rung - would have rung Imperative - - - ring - - - - - - - -