Present participle; Past participle - diminishing - diminished Present - diminish - diminish - diminishes - diminish - diminish - diminish Past - diminished - diminished - diminished - diminished - diminished - diminished Future - will diminish - will diminish - will diminish - will diminish - will diminish - will diminish Present conditional - would diminish - would diminish - would diminish - would diminish - would diminish - would diminish Present Perfect - have diminished - have diminished - has diminished - have diminished - have diminished - have diminished Past Perfect - had diminished - had diminished - had diminished - had diminished - had diminished - had diminished Future Perfect - will have diminished - will have diminished - will have diminished - will have diminished - will have diminished - will have diminished Past conditional - would have diminished - would have diminished - would have diminished - would have diminished - would have diminished - would have diminished Imperative - - - diminish - - - - - - - -