Present participle; Past participle - corroding - corroded Present - corrode - corrode - corrodes - corrode - corrode - corrode Past - corroded - corroded - corroded - corroded - corroded - corroded Future - will corrode - will corrode - will corrode - will corrode - will corrode - will corrode Present conditional - would corrode - would corrode - would corrode - would corrode - would corrode - would corrode Present Perfect - have corroded - have corroded - has corroded - have corroded - have corroded - have corroded Past Perfect - had corroded - had corroded - had corroded - had corroded - had corroded - had corroded Future Perfect - will have corroded - will have corroded - will have corroded - will have corroded - will have corroded - will have corroded Past conditional - would have corroded - would have corroded - would have corroded - would have corroded - would have corroded - would have corroded Imperative - - - corrode - - - - - - - -