Present participle; Past participle - mellowing - mellowed Present - mellow - mellow - mellows - mellow - mellow - mellow Past - mellowed - mellowed - mellowed - mellowed - mellowed - mellowed Future - will mellow - will mellow - will mellow - will mellow - will mellow - will mellow Present conditional - would mellow - would mellow - would mellow - would mellow - would mellow - would mellow Present Perfect - have mellowed - have mellowed - has mellowed - have mellowed - have mellowed - have mellowed Past Perfect - had mellowed - had mellowed - had mellowed - had mellowed - had mellowed - had mellowed Future Perfect - will have mellowed - will have mellowed - will have mellowed - will have mellowed - will have mellowed - will have mellowed Past conditional - would have mellowed - would have mellowed - would have mellowed - would have mellowed - would have mellowed - would have mellowed Imperative - - - mellow - - - - - - - -