Present participle; Past participle - tranquillizing - tranquillized Present - tranquillize - tranquillize - tranquillizes - tranquillize - tranquillize - tranquillize Past - tranquillized - tranquillized - tranquillized - tranquillized - tranquillized - tranquillized Future - will tranquillize - will tranquillize - will tranquillize - will tranquillize - will tranquillize - will tranquillize Present conditional - would tranquillize - would tranquillize - would tranquillize - would tranquillize - would tranquillize - would tranquillize Present Perfect - have tranquillized - have tranquillized - has tranquillized - have tranquillized - have tranquillized - have tranquillized Past Perfect - had tranquillized - had tranquillized - had tranquillized - had tranquillized - had tranquillized - had tranquillized Future Perfect - will have tranquillized - will have tranquillized - will have tranquillized - will have tranquillized - will have tranquillized - will have tranquillized Past conditional - would have tranquillized - would have tranquillized - would have tranquillized - would have tranquillized - would have tranquillized - would have tranquillized Imperative - - - tranquillize - - - - - - - -