Present participle; Past participle - yarning - yarned Present - yarn - yarn - yarns - yarn - yarn - yarn Past - yarned - yarned - yarned - yarned - yarned - yarned Future - will yarn - will yarn - will yarn - will yarn - will yarn - will yarn Present conditional - would yarn - would yarn - would yarn - would yarn - would yarn - would yarn Present Perfect - have yarned - have yarned - has yarned - have yarned - have yarned - have yarned Past Perfect - had yarned - had yarned - had yarned - had yarned - had yarned - had yarned Future Perfect - will have yarned - will have yarned - will have yarned - will have yarned - will have yarned - will have yarned Past conditional - would have yarned - would have yarned - would have yarned - would have yarned - would have yarned - would have yarned Imperative - - - yarn - - - - - - - -