Present participle; Past participle - immunizing - immunized Present - immunize - immunize - immunizes - immunize - immunize - immunize Past - immunized - immunized - immunized - immunized - immunized - immunized Future - will immunize - will immunize - will immunize - will immunize - will immunize - will immunize Present conditional - would immunize - would immunize - would immunize - would immunize - would immunize - would immunize Present Perfect - have immunized - have immunized - has immunized - have immunized - have immunized - have immunized Past Perfect - had immunized - had immunized - had immunized - had immunized - had immunized - had immunized Future Perfect - will have immunized - will have immunized - will have immunized - will have immunized - will have immunized - will have immunized Past conditional - would have immunized - would have immunized - would have immunized - would have immunized - would have immunized - would have immunized Imperative - - - immunize - - - - - - - -