Present participle; Past participle - rusting - rusted Present - rust - rust - rusts - rust - rust - rust Past - rusted - rusted - rusted - rusted - rusted - rusted Future - will rust - will rust - will rust - will rust - will rust - will rust Present conditional - would rust - would rust - would rust - would rust - would rust - would rust Present Perfect - have rusted - have rusted - has rusted - have rusted - have rusted - have rusted Past Perfect - had rusted - had rusted - had rusted - had rusted - had rusted - had rusted Future Perfect - will have rusted - will have rusted - will have rusted - will have rusted - will have rusted - will have rusted Past conditional - would have rusted - would have rusted - would have rusted - would have rusted - would have rusted - would have rusted Imperative - - - rust - - - - - - - -