Present participle; Past participle - muddling - muddled Present - muddle - muddle - muddles - muddle - muddle - muddle Past - muddled - muddled - muddled - muddled - muddled - muddled Future - will muddle - will muddle - will muddle - will muddle - will muddle - will muddle Present conditional - would muddle - would muddle - would muddle - would muddle - would muddle - would muddle Present Perfect - have muddled - have muddled - has muddled - have muddled - have muddled - have muddled Past Perfect - had muddled - had muddled - had muddled - had muddled - had muddled - had muddled Future Perfect - will have muddled - will have muddled - will have muddled - will have muddled - will have muddled - will have muddled Past conditional - would have muddled - would have muddled - would have muddled - would have muddled - would have muddled - would have muddled Imperative - - - muddle - - - - - - - -