Present participle; Past participle - shallowing - shallowed Present - shallow - shallow - shallows - shallow - shallow - shallow Past - shallowed - shallowed - shallowed - shallowed - shallowed - shallowed Future - will shallow - will shallow - will shallow - will shallow - will shallow - will shallow Present conditional - would shallow - would shallow - would shallow - would shallow - would shallow - would shallow Present Perfect - have shallowed - have shallowed - has shallowed - have shallowed - have shallowed - have shallowed Past Perfect - had shallowed - had shallowed - had shallowed - had shallowed - had shallowed - had shallowed Future Perfect - will have shallowed - will have shallowed - will have shallowed - will have shallowed - will have shallowed - will have shallowed Past conditional - would have shallowed - would have shallowed - would have shallowed - would have shallowed - would have shallowed - would have shallowed Imperative - - - shallow - - - - - - - -