Present participle; Past participle - fathoming - fathomed Present - fathom - fathom - fathoms - fathom - fathom - fathom Past - fathomed - fathomed - fathomed - fathomed - fathomed - fathomed Future - will fathom - will fathom - will fathom - will fathom - will fathom - will fathom Present conditional - would fathom - would fathom - would fathom - would fathom - would fathom - would fathom Present Perfect - have fathomed - have fathomed - has fathomed - have fathomed - have fathomed - have fathomed Past Perfect - had fathomed - had fathomed - had fathomed - had fathomed - had fathomed - had fathomed Future Perfect - will have fathomed - will have fathomed - will have fathomed - will have fathomed - will have fathomed - will have fathomed Past conditional - would have fathomed - would have fathomed - would have fathomed - would have fathomed - would have fathomed - would have fathomed Imperative - - - fathom - - - - - - - -