Present participle; Past participle - unionizing - unionized Present - unionize - unionize - unionizes - unionize - unionize - unionize Past - unionized - unionized - unionized - unionized - unionized - unionized Future - will unionize - will unionize - will unionize - will unionize - will unionize - will unionize Present conditional - would unionize - would unionize - would unionize - would unionize - would unionize - would unionize Present Perfect - have unionized - have unionized - has unionized - have unionized - have unionized - have unionized Past Perfect - had unionized - had unionized - had unionized - had unionized - had unionized - had unionized Future Perfect - will have unionized - will have unionized - will have unionized - will have unionized - will have unionized - will have unionized Past conditional - would have unionized - would have unionized - would have unionized - would have unionized - would have unionized - would have unionized Imperative - - - unionize - - - - - - - -